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  • Pair of nearby galaxies with possible intergalactic transfer: This image shows M81 (bottom right) and M82 (upper left), a pair of nearby galaxies where “intergalactic transfer” may be happening. Gas ejected by supernova explosions in M82 can travel through space and eventually contribute to the growth of M81.
    Fred Herrmann, 2014, http://cs.astronomy.com/asy/m/galaxies/489483.aspx
    Pair of nearby galaxies with possible intergalactic transfer: This image shows M81 (bottom right) and M82 (upper left), a pair of nearby galaxies where “intergalactic transfer” may be happening. Gas ejected by supernova explosions in M82 can travel through space and eventually contribute to the growth of M81.
  • A Milky Way-like galaxy (Messier 101): A close-up view of the Messier 101 galaxy, which is a spiral galaxy similar to the Milky Way galaxy. The Messier 101 has a pancake-like shape that we view face-on. This perspective shows off the spiral structure that gives it the nickname the
    NASA (http://hubblesite.org/image/2477/news_release/2009-07)
    A Milky Way-like galaxy (Messier 101): A close-up view of the Messier 101 galaxy, which is a spiral galaxy similar to the Milky Way galaxy. The Messier 101 has a pancake-like shape that we view face-on. This perspective shows off the spiral structure that gives it the nickname the "Pinwheel Galaxy."




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