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Published online 10 January 2007 | Nature | doi:10.1038/news070108-7
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Getting to know the galactic neighbours
Astronomers make startling discoveries in our own back yard.
Astronomers are beginning to realize that we don't know our cosmic neighbourhood very well after all. Some of the galaxies next door to our very own Milky Way are speeding past us so fast that they threaten to rewrite the textbooks, whereas others are so teeny that they may deserve the entirely new name of 'hobbit' galaxies.
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