Sunday, May 10, 2009

M33: A Close Neighbor Reveals its True Size and Splendor

M33: A Close Neighbor Reveals its True Size and Splendor (4/3/09)
One of our closest galactic neighbors shows its awesome beauty in this new image from NASA's Spitzer Space Telescope. M33, also known as the Triangulum Galaxy, is a member of what's known as our Local Group of galaxies. Along with our own Milky Way, this group travels together in the universe, as they are gravitationally bound. In fact, M33 is one of the few galaxies that is moving toward the Milky Way despite the fact that space itself is expanding, causing most galaxies in the universe to grow farther and farther apart.




M33 – click for 750×488 image



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