Sometimes you just have to sit down and marvel at the excellent view of the galaxy interaction. When the celestial cities meet on their own, wild and crazy things happen —a form of “Galaxies Gone Wild”. Take this pair, for example. We see them trapped together in a cosmic dance that has been for almost half a billion years. With each opening in the intergalactic dance floor, they take turns permanently. Eventually, they will combine to form one large galaxy.
NGC 1512 (left) is the largest of the two galaxies. A closed spiral that looks relaxed as it plays. Its little friend is a small lenticular galaxy (below right) called the NGC 1510. Both lie near the horologium, and are about 60 million light-years away from us. Victor M. Blanco’s 4-foot-long [4 m] Chilean telescope captures the idea of a galaxy interaction of the two.
What happened to the Galaxy Merger?
The galaxies are far apart in space, but they are constantly interacting with one another cosmic. The dances they do are the way they grow and change. This includes our Milky Way. In fact, our galaxy currently includes tiny galaxies, which add to the number of stars in the Milky Way galaxy.
The galaxy interaction of NGC 1510 and NGC 1512 is a good example of what happens during the integration process. Its attraction to gravity stimulated the massive formation of stars, especially on the outer outer arms of the galaxy. That created what astronomers call “starbursts” and sprayed long blue strings of tropical stars into space. Galaxy comparisons often promote star formation. One day, these giant stars will explode like supernovae and add explosive displays to the long galaxy dance.
In addition, the small gravitational force of the NGC 1512 draws gas, dust, and stars far from its larger neighbor, creating intelligent cables from outer space. And it looks like it is “releasing” the arms folded from a very large neighbor.
NGC 1510 touches its young companion, pulling out gas and dust tenders. Collaboration also distorts the structure of both galaxies. Things will get worse for both of them as time goes on. Eventually, they will combine perfectly to form a massive galaxy, perhaps elliptical. But, that is still a long way off in the future.
Capture View by Dark camera
This amazing dance scene is part of a larger image filmed by the Blanco Telescope, mounted on a Dark Camera (DECam). DECam is designed for use by the Dark Energy Survey. That is a project to draw hundreds of millions of galaxies and discover the supernovae. Finally, the idea is to look at patterns in a cosmic structure that give natural indications of dark energy. That mysterious “thing” is accelerating the growth of the universe. The study lasted six years. At that time, DECam recorded about 300 million galaxies at 5,000 square degrees in the southern sky.
While we can not see the dark energy directly, we can enjoy experimental images with amazing details of similar galaxies and the effects of amazing galaxy interactions. If you look closely at this wide-angle view, you can even see distant galaxies forming the background of the two interlocking spheres.
Victor C. Blanco’s place is part of NOIR lab, This observatory collection includes Cerro Tololo Inter-American Observatory, Community Science and Data Center, Gemini Observatory, Kitt Peak National Observatory, and Vera C. Rubin Observatory. The lab itself is sponsored by the U.S. National Science Foundation.
Source Information: https://noirlab.edu/public/news/noirlab2210/
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