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Following on from my previous Extreme Deep Field project of Centaurus A, I turned my attention to a spectacular pair of colliding galaxies known as The Antennae, located around 45 million light years away in the Southern constellation of Corvus. Judged by their colour and apparent size the faintest of these remote galaxy clusters lie several billion light years away. The galaxy has a very large halo of much lower intensity "diffuse light" extending to a diameter of 4 million ly. The brightest and most compact of these star birth regions are called super star clusters. Find art you love and shop high-quality art prints, photographs, framed artworks and posters at Art.com. The Antennae galaxies take their name from the long antenna-like "arms" extending far out from the nuclei of the two galaxies, best seen by ground-based telescopes. This tail consists of material thrown from the main galaxies as they collided. PixInsight, Adobe Photoshop, etc) here on AstroBin, for archival purposes. The authors of the science paper are: Ivo Saviane (European Southern Observatory), Yazan Momany (Osservatorio Astronomico di Padova, Italy), Gary S. Da Costa (Research School of Astronomy and Astrophysics, Australia), R. Michael Rich (Department of Physics and Astronomy, USA) and John E. Hibbard (National Radio Astronomy Observatory, USA), Image credit: NASA, ESA & Ivo Saviane (European Southern Observatory), Ivo Saviane Are you sure? If you have any unsaved information in a form, it will be lost. Antennae Galaxies (NGC 4038 and NGC 4039) located in the constellation of Corvus had been originally similar to our galaxy the Milky Way and Andromeda Galaxy both in size and structure, but they already traversed each other once some hundred million years ago. Tel: +49-(0)89-3200-6306 They are located at a distance of around 45 million light-years away from Earth. The good news for amateur observers is that plenty of peculiar galaxies are. The orange blobs to the left and right of image center are the two cores of the original galaxies and consist mainly of old stars criss-crossed by filaments of dust, which appears brown in the image. The system is composed of two spiral galaxies in the process of merging and passing through one another, throwing off two long, narrow tidal streamers. . Antennae Galaxies are two merging pair of galaxies(NGC 4038 and NGC 4039). Accurate models require the correct merger parameters, and of these, the distance is the most essential". Antennae Galaxies Located in the Corvus constellation, the galaxies are shaped not too dissimilar from that of an insect's antennae, hence its name. The merging pair of galaxies, NGC 4038 and NGC 4039, began interacting a few hundred million years ago, creating one of the most impressive sights in the night sky. The Antennae Galaxies is therefore larger than our home galaxy. https://twitter.com/AstroBin_com. By measuring the colours and brightnesses of red giant stars in the system, the scientists found that the Antennae Galaxies are much closer than previously thought: 45 million light-years instead of the previous best estimate of 65 million light-years. Regardless which of the measurements are correct, Antennae Galaxies are the nearest interacting galaxies to us. To put this in context, the Milky Way Galaxy, that is the galaxy that we currently reside in is about 100,000 Light Years across. These two galaxies already started to merge a few . . Size: 500,000 ly (150 kpc) . They . AstroBin is a very small business and your support would mean a lot! This file is stored privately and only you will have access to it. Antennae Galaxies Canvas $23.62+ Size Add to cart Handmade Description In 1990, NASA launched its largest and most versatile space telescope the Hubble. For instance, with the smaller distance, the size of the star clusters formed as a consequence of the Antennae merger now agree with those of clusters created in other mergers instead of being 1.5 times as large. ANTENNAE GALAXIES 45 million light-years This nearby merging galaxy is known as "The Antennae" due to the antennae-like shape of its two prominent tails. This enriched gas, which includes elements such as oxygen, iron, magnesium and silicon, will be incorporated into new generations of stars and planets. The Antennae Galaxies . Images are taken at 10 different nights between 2021-03-24 and 2021-07-29 Filters: Luminance 12 x 600s (2h) Red 12 x 600s (2h) Green 12 x 600s (2h) During the course of the collision, billions of stars will be formed. 24" H x 24" W x 1" D Size; Black Framed Fine Art Paper Format; White Matte Color) Paper. Our galaxies are currently separate from each other, but in 4 billion years they will collide in a similar way to Antennae Galaxies, until they will form a giant elliptical galaxy at the end. Antennae Germany Frankfurt am Main and Hesse. They reached an interesting and surprising conclusion. Everyday Low Prices. If this user has been harassing you, and you shadow-ban them, all their activities on your content will be invisible to everyone except themselves. In this paper, we present a hydrodynamical simulation of the Antennae galaxies, at 1.5 pc resolution, including star formation and stellar feedback (photoionization, radiative pressure and supernovae). The process takes hundreds of millions of years, maybe even a billion years. The collision, which began more than 100 million years ago and is still occurring, has triggered the formation of millions of stars in . All its revisions will be deleted too. Australia Do not notify your followers about this revision. The "antennae" or tidal tails that the Antennae galaxy is known for formed due to the first collision encounter around 200-300 million years ago. The previous canonical distance to the Antennae Galaxy was about 65 million light-years although values as high as 100 million light years have been used. Tel: +61-2-6125-8913 Cell: +39 333 77 08 761 (Italy/CEST time zone) They will not know that they have been shadow-banned, and the goal is that eventually they will get bored while having caused no harm, since nobody saw what they posted. The galaxy collision resembles an insect's antennae, which is how the pair got the name. August 5, 2010 A beautiful new image of two colliding galaxies has been released by NASA's Great Observatories. Antennae Galaxies , is a galaxy pair located in the constellation Corvus . Core Area The main action is happening in the centre where intense starburst activity has been triggered by the merging of the two galaxies. Our Sun is only eight light-minutes away from us, so the Antennae Galaxies may seem rather distant, but if we consider that we already know of galaxies that are more than ten billion light-years away, the two Antennae Galaxies are really our neighbours. View profile Send private message Share; Navigation context User gallery All image uploads Powered by PixInsight. The fate of Milky Way and Andromeda Galaxy will be very similar to that. It is however believed that about a hundred of the most massive clusters will survive to form regular globular clusters, similar to the globular clusters found in our own Milky Way galaxy. The Antennae galaxies, located about 62 million light years from Earth, are shown in this composite image from the Chandra X-ray Observatory (blue), the Hubble Space Telescope (gold), and the Spitzer Space Telescope (red). The Spitzer data show infrared light from warm dust clouds that have been heated by newborn stars, with the brightest clouds lying in the overlap region between the two galaxies. In Halton Arp's catalogue of peculiar galaxies they can be found under number Arp 244. The diameter of Antennae Galaxies is 113,446.49 light years. These "tidal tails" were formed during the initial encounter of the galaxies some 200 to 300 million years ago. The galaxy pair NGC 4038 and NGC 4039 is commonly referred to as the Antennae Galaxies because their distorted streamer-like spiral arms look like insect antennae. Antennae Galaxies is magnitude 11.2 *, is 45 million light-years away, and is 5.2' x 3.1' in size. The bright, point-like sources in the image are produced by material falling onto black holes and neutron stars that are remnants of the massive stars. The Antennae Galaxies are named for the two long tails of stars, gas and dust that resemble the antennae of an insect. Below is a list of the largest galaxies so far discovered by size. The Hubble data reveal old stars in red, filaments of dust in brown and star-forming regions in yellow and white. File size: 522.8 KB. The two spiral galaxies started to interact a few hundred million years ago, making the Antennae galaxies one of the nearest and youngest examples of a pair of colliding galaxies. Please note: AstroBin is not officially a backup service. In images created by Chandra X-Ray Observatory several dozen of bright compact X-Ray sources can be identified: they are high-temperature accretion discs around neutron stars and black holes, remains of heavy stars formed by the collision, which collapsed at the end of their very short life because of their high initial mass. Email: lars@eso.org, Ground-based image of the Antennae Galaxies, Wide-field view of the region around the Antennae Galaxies (ground-based image), Zooming in the antenna of the Antennae Galaxies, Subscribe to the ESA/Hubble/Webb Science Newsletter, Step-by-step guide to making your own images, Black Holes, Quasars, and Active Galaxies. These features were produced by gravitational tidal forces generated in the . The Antennae Galaxy was originally thought to be 63 million light-years from Earth, but research in 2008 from the Hubble Telescope now puts it at a much closer 45 miles. The team targeted a region in the relatively quiescent outer regions in the southern tidal tail, away from the active central regions. BDA CONNECTIVITY GMBH Germany . A very similar collision will happen to Milky Way and Andromeda Galaxy in the far future. Free Returns 100% Satisfaction Guarantee Fast Shipping You can store the final processed image that came out of your favorite image editor (e.g. View. Check out our antennae galaxies selection for the very best in unique or custom, handmade pieces from our shops. The revision's title will be shown as an addendum to the original image's title. Email: isaviane@eso.org, Gary S. Da Costa It is a bit like trying to understand the ageing of humans by studying a photograph taken on a crowded street with people of different ages. Saviane says: "All aspiring models for galaxy evolution must be able to account for the observed features of the Antennae Galaxies, just as respectable stellar models must be able to match the observed properties of the Sun. The colliding galaxies traverse through each other whilst because of the strong gravitational forces their structure get distorted. Their morphological classification is SB(s)m pec (NGC 4038) and SA(s)m pec (NGC 4039), both of them were spiral galaxies originally, with NGC 4038 having bars as well. Data source: Amateur hosting facility Remote source: Telescope Live Description Antennae Galaxies (NGC 4038/NGC 4039). (844) 988-0030 A part of the stars torn out will fall back into the new galaxy, while the rest will be moving away forever. The Antennae Galaxies contain more than 15 billion solar masses of hydrogen gas and will become a starburst galaxy as their ongoing merger . The Antennae galaxies take their name from the long antenna-like "tails," seen in wide-angle views of the system. The Antennae Galaxies are among the closest known merging galaxies. Antennae Galaxies - galaxy pair galaxy. You will delete all other revisions (if any), and the originally uploaded image, leaving the current revision as the final and only version of this image. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. You are not authenticated. The findings appeared in the May 2008 issue of The Astrophysical Journal. The new image allows astronomers to better distinguish between the stars and super star clusters created in the collision of two spiral galaxies. Are you a journalist? The Antennae Galaxies are named for the two long tails of stars, gas and dust that resemble the antennae of an insect. Subscribe to the ESA/Hubble Media Newsletter. Santiago, Chile Customize a pillow or pick from the many throw pillow designs in any size and fabric you want. Learn more. of the Antennae Galaxies.Credit:NASA, ESA, R. Gendler and . Please log in. The Antennae galaxies take their name from the long antenna-like "arms" extending far out from the nuclei of the two galaxies, best seen by ground-based telescopes. New research on the Antennae Galaxies using the Advanced Camera for Surveys onboard the NASA/ESA Hubble Space Telescope shows that this benchmark pair of interacting galaxies is in fact much closer than previously thought - 45 million light-years instead of 65 million light-years. Image Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)-ESA/Hubble Collaboration, http://www.nasa.gov/multimedia/imagegallery/image_feature_1086.html. The Antennae galaxies (NGC 4038/NGC 4039) are two colliding galaxies. Backward Galaxy Fascinatingly, this galaxy seems to be rotating backwards, as uniquely the ends of the spiral arms that reach out are pointing in the direction of rotation. Cell: +49-(0)173-3872-621 The results of such observations show that galaxies differ dramatically in size and luminosity. During the course of the collision, billions of stars will be formed. These features were produced by tidal forces generated in the collision. Email: gdc@mso.anu.edu.au, Lars Lindberg Christensen . The Antennae Galaxies (also known as NGC 4038/NGC 4039 or Caldwell 60/Caldwell 61) are a pairo interacting galaxies in the constelqtion Corvus. We print the highest quality antennae galaxies t-shirts on the internet Hi there! Although the relative speed of Antennae Galaxies were quite high, many hundred km/s, it still took hundreds of million years for them to pass through each other, because of their vast size. Other results of Chandra reveals that Antennae Galaxies contain high amount of heavier elements too: magnesium, neon and silicon which are needed to form habitable planets. NGC 4039. Apparent size (V) 5.2 3 . The brightest and most compact of these star birth regions are called super star clusters." " Please note: These features were produced by tidal forces generated in the collision. Its revisions will not be deleted. AstroBin is an image hosting platform and social network for amateur astronomers and astrophotographers. Learn more. Although it is not possible to observe consecutive phases of such collisions because of their duration, we can get a complex understanding of such interactions observing several interacting galaxy pairs being in different phases of their collision. Only group members can post in a group's forum. Only Canis Major Dwarf is still closer - 25000 light years - but it will soon be part of the Milky Way since it is being cannibalised by the Milky Way . European Southern Observatory The two galaxies are dotted with brilliant blue star-forming regions surrounded by glowing hydrogen gas, appearing in the image in pink. The Antennae Galaxies are the closest Interacting Spirals to Earth. Abuse reports are anonymous and the content's owner will not be notified. Reason: "ANONYMOUS". Studying their properties gives us a preview of what may happen when our Milky Way galaxy collides with the neighbouring Andromeda galaxy in several billion years. Shop Antennae Galaxies space t-shirts designed by headrubble as well as other space merchandise at TeePublic. This feature is only offered at higher membership levels. Even though the galaxies are traveling at incredible speeds, it's due to the huge size of the galaxies that is the main cause for taking hundreds of millions of years for completion. The pressure and temperature is increasing in hydrogen clouds colliding to each other, which triggers formation of new stars in them. Bright blue arcs of hot . Galaxies are not solid bodies but group of stars orbiting a common centre of gravity, therefore the collision of them shouldn't be imagined as collision of two solid bodies, but more like a collision of two flocks of birds. But while galaxies contain stars, gas, dust, and dark matter, they're mostly empty space. English: Original caption from NASA:"This NASA Hubble Space Telescopeimage of the Antennae galaxies(NGC 4038 & 4039) is the sharpest yet of this merging pair of galaxies. The new smaller distance makes the Antennae Galaxies less extreme in terms of the physics needed to explain the observed phenomena. Antennae Galaxies are located in Corvus constellation some 60 million light-years away. . The Antennae galaxies take their name from the long antenna-like "arms," seen in wide-angle views of the system. 3 companies 72 Products Product recommendations. The collision, with its clouds of gas, dust and magnetic fields, causes extremely rapid star formation. Looking for the ideal Antennae Galaxies Women's Plus Size T-Shirts? Although galaxy mergers today are not common, it is believed that in the past they were an important channel of galaxy evolution. The size of the star clusters formed as a consequence of the Antennae merger now agree with those of clusters created in other mergers instead of being 1.5 times as large. Angular Size xmlns:xsl='http://www.w3.org/1999/XSL/Transform'">, This image of the Antennae galaxies is the sharpest yet of this merging pair of galaxies. The Antennae galaxies, a merging pair of galaxies located about 62 million light-years from Earth, are shown in this image from the Hubble Space Telescope. You cannot like this item. The Antennae Galaxies (also known as NGC 4038 and 4039) are a pair of distorted colliding spiral galaxies about 70 million light-years away, in the constellation of Corvus (The Crow). The Contribution Index (beta) is system to reward informative, constructive, and valuable commentary on AstroBin. They began their galactic dance over a few hundred million years ago and are currently in a period where their colliding gas clouds are bursting with new star formation. The two galaxies, also known as NGC 4038 and NGC 4039, began interacting a few hundred million years ago, creating one of the most impressive sights in the night sky. The average warm H 2temperature is 30226 K and appears anticorrelated with the radiation eld Use these Antennae Galaxies Pillows to accent any living room or bedroom. You'll love the The Antennae Galaxies (NGC 4038/NGC 4039) by Roberto Colombari - Gallery-Wrapped Canvas Gicle at Wayfair - Great Deals on all Dcor & Pillows products with Free Shipping on most stuff, even the big stuff. For more information, please check out our Twitter feed: This image cannot be submitted for the IOTD/TP consideration. In the famous NGC catalogue (New General Catalogue of Nebulae and Clusters of Stars) published by John Louis Emil Dreyer in 1888 they got the IDs NGC 4038 and NGC 4039. The image will be permanently deleted and cannot be recovered. Name: Antennae Galaxies, NGC 4038, NGC 4039: Type: Local Universe : Galaxy : Type : Interacting: Distance: . This interacting galaxy pair was discovered in 1785 by William Herschel. The closest galaxies to the Milky Way are the Small Magellanic Cloud (a dwarf galaxy) and the Large Magellanic Cloud (an irregular galaxy). The diameter of the Antennae Galaxies is incredibly large, extending out hundreds of thousands of light-years. They are currently going through a starburst phase, in which the collision of clouds of gas and dust, with entangled magnetic fields, causes rapid star formation. Are you sure you want to be removed as a collaborator to this image. Red giants are known to reach a standard brightness, which can then be used to infer their distance. Therefore understanding the physics of galaxy mergers is a very important task for astrophysicists. The size of the star clusters formed as a consequence of the Antennae merger now agree with those of clusters . . They combined data from thousands of LOFAR antennas that were. There are contradicting results regarding their distance. English: Original caption from NASA:"This NASA Hubble Space Telescopeimage of the Antennae galaxies(NGC 4038 & 4039) is the sharpest yet of this merging pair of galaxies. The collision, which began more than 100 million years ago and is still occurring, has triggered the formation of millions of stars in clouds of dusts and gas in the galaxies. Each of the galaxies in the Antennae Galaxies has a black hole at . About 1.2 billion years ago this two galaxies were completely separate galaxies, but too close to each other, thus by the gravitational interaction between them they were getting closer and closer to each other, until they collided about 600 million years ago. revision! Find great designs on short sleeve and long sleeve soft cotton t-shirts. They are curr. The Antennae Galaxies - Extreme Deep Field - 75 Hours . This is nevertheless the best . In interacting galaxies, like in Antennae Galaxies, several star forming waves can be observed. Many of the fainter objects in the optical image are clusters containing thousands of stars. Resolution: 3818x3818 File size: 15.2 MB Data source: Professional, scientific grade data Description The Antennae Galaxies, also known as the Ringtail Galaxy or Arp 244, are a pair of colliding galaxies located in Corvus constellation. Upload the new Finished Size: 24" x 24" Ships in 5-7 Days. Antennae Galaxies is a pair of spiral galaxies that are colliding and interacting 45 million light-years from Earth, they are uniting of their own accord, but the collision has created a huge process of starburst, with millions of stars being born all the time due to interaction of gas. The Antennae Galaxies - apod.nasa.gov/apod/ap150212.html The Antennae is a pair of spiral galaxies that are interacting and mingling their stars. A "snapshot" of collision of two galaxies can be seen in the picture. During the course of the collision, billions of stars will be formed. Image by R.W. and quality of its observations will increase dramatically as more antennas become available and the array grows in size. The latest images released by Hubble are based on research of the Antennae Galaxies, known as NGC 4038 and NGC 4039. . They give us a preview of what may happen when our Milky Way galaxy collides with the neighboring Andromeda galaxy in several billion years. In about 4 billion years, the two will meet. The Antennae galaxies take their name from the long antenna-like "arms," seen in wide-angle views of the system. Wide-field Optical Image. In another 400 million years the cores will unite and a giant elliptical galaxy will be formed around it. Research School of Astronomy & Astrophysics, ANU Object type Galaxy. Even though the galaxies are moving through each other at hundreds of kilometers or miles per second, the merging process takes a hundred million years because of the sheer size . . You can pan the full resolution image with the mouse. Did you improve the post-processing of your image? Irregularity refers to the distortions caused by the collision. These "antennae" are a physical result of the collision between the two galaxies. Primary Art Material Details . Previous Post Next Post Named after astronomer Edward Hubble, this great observatory was placed into a low orbit above the Earth's atmosphere. Antennae Galaxies (NGC 4038 and NGC 4039) located in the constellation of Corvus had been originally similar to our galaxy the Milky Way and Andromeda Galaxy both in size and structure, but they already traversed each other once some hundred million years ago. The Image Index is a system based on likes received on images, that incentivizes the most active and liked members of the community. The Antennae galaxies take their name from the long antenna-like "arms" extending far out from the nuclei of the two galaxies, best seen by ground-based telescopes. Other resolutions: . Read about how AstroBin stores your files safely on the FAQ page. The interacting spiral galaxies have the designations NGC 4038 and NGC 4039 in the New General Catalogue. You will delete all revisions, leaving the originally uploaded image as the final and only version of this image. This video shows the constellation of Corvus, the Crow, and a zoom into the tidal tail ? Contents 1 Caveats 2 List 2.1 Apparent area 2.2 Apparent diameter 3 See also 4 Notes 5 References Caveats [ The Antennae Galaxies (also known as NGC 4038 and 4039) are a pair of distorted colliding spiral galaxies about 70 million light-years away, in the constellation of Corvus (The Crow). From Redmond , NGC4038 is not observable - it will reach its highest point in the sky during daytime and is no higher than 0 above the horizon at dawn. A collision of two galaxies does not only result the realignment of their stars. From Wikimedia Commons, the free media repository. Arrives by Wed, Aug 3 Buy The Antennae galaxies Poster Print by Roberto Colombari/Stocktrek Images (24 x 24) at Walmart.com The Antennae galaxies, located about 62 million light years from Earth, are shown in this composite image from the Chandra X-ray Observatory (blue), the Hubble Space Telescope (gold), and the Spitzer Space Telescope (red). The vast majority of the super star clusters formed during this interaction will disperse, with the individual stars becoming part of the smooth background of the galaxy. The Antennae Galaxies are among the closest known merging galaxies. The huge mass of the galaxies drew millions of stars from each other creating the tidal tails of them. The most massive of these young stars have already sped through their evolution in a few million years and exploded as supernovas. 100% satisfaction guaranteed. The Antennae Galaxies are around 45 million light-years from Earth and reside in the Virgo Cluster. A very similar collision will happen to Milky Way and Andromeda Galaxy in the far future. The two galaxies, whose bright yellow cores appear to the lower left and upper right of center, began their fateful confrontation a few hundred million years ago. Irregular galaxies tend to be _____, 5 to 25 % the diameter of our Galaxy, and of ____ luminosity. It's located in the Crow, less than half a degree south of the famous Antennae Galaxies. These "tidal tails" were formed during the initial encounter of the galaxies some 200 to 300 million years ago. Please join or request to join the group, and then you'll be able to post a new topic. This operation will reload the current page. The Antennae Galaxies (also known as NGC 4038/NGC 4039 or Caldwell 60/Caldwell 61) are a pair of interacting galaxies in the constellation Corvus. An international group of scientists led by Ivo Saviane from the European Southern Observatory has used Hubble's Advanced Camera for Surveys and Wide Field Planetary Camera 2 to observe individual stars spawned by the colossal cosmic collision in the Antennae Galaxies. The images on this websites are copyright of their respective owners. Some of these black holes may have masses that are almost one hundred times that of the Sun. Distance calculations based on a supernova of type Ia in NGC 4038 (SN2007sr) resulted about 63 million light-years, while newer studies using red giants in the tails of the galaxies to determine their distance gave only 45 million light-years. To obtain a unique deep view of the faint tidal streams and numerous distant . Hint: Click on the picture to see it in full resolution. Jump to navigation Jump to search. The tails were formed approximately 300 million years ago. You are on a Free account, and when you delete an image, your upload counter does not decrease (unless the image is deleted within 24 hours of uploading it). This feature is only offered at the AstroBin Ultimate membership level. The X-ray image from Chandra shows huge clouds of hot, interstellar gas that have been injected with rich deposits of elements from supernova explosions. However, by storing your work here, you can have some additional peace of mind. Normal Annotated Large size Full size User. The Antennae are located in the constellation of Corvus, the Crow. These were discovered by William Herschel in 1785. A beautiful new image of two colliding galaxies has been released by NASA's Great Observatories. 48 years later his son, John Herschel entered the galaxies as two separate objects (h1052 and h1053) in his own catalogue. The method is known as the tip of the red giant branch (TRGB). When you report abuse on some content on AstroBin, the content will be hidden until a moderator reviews it. The Hubble Space Telescope is a project of international cooperation between ESA and NASA. The Free account is not a way to keep your most recent or best 10 images on AstroBin, but a trial period for you to decide whether or not a paid subscription is worth it. antenna ? Antennae Galaxies, HST Image Photographic Print. You cannot remove your like from this item. Size: 3375 x 3362 px: About the Object. None of them have polar rings, both are irregular and peculiar. the size of the star clusters being formed by the collision match the size . A Dutch-Italian-German team of astronomers has observed a huge glow of radio emission around a cluster of thousands of galaxies. Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution, Non-Commercial, No Derivative Works CC BY-NC-ND Licence. The previous larger distance required astronomers to invoke some quite exceptional physical characteristics to account for the spectacular system: very high star-formation rates, supermassive star clusters, ultraluminous X-ray sources etc. Our Milky Way and the Andromeda Galaxy are giant spiral galaxies hurtling towards each other at 120 kilometers per second. The total mass of warm H 2in the Antennae is 2.5107M, with a fraction of warm to total H 2gas mass of about 0.35%. The scientists needed to observe regions with older red giant stars to derive an accurate distance. From Earth anonymous and the content will be formed merger parameters, and valuable commentary on,. And Rolf Wahl olsen dust that resemble the Antennae galaxies take their name from the long antenna-like ``,. Like in Antennae galaxies is incredibly large, extending out hundreds of millions of stars tails '' formed! 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