Large galaxies absorb smaller ones in order to survive in the universe, according to a new study recently published in the Monthly Notices of the Royal Astronomical Society.
By Carey Reed
If a tractor full of confetti was launched into the night sky and then beamed with a strobe light, it might look something like the Hubble Space Telescope image above. It is, according to NASA, among the most colorful of…
By Jenny Marder
NASA announced Tuesday that it would send a final repair mission to the Hubble Space Telescope, tentatively in 2008, to extend the life of the orbiting observatory to at least 2013. Hubble's senior project scientist discusses the history and future…
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