Hubble Looks 11 Billion Years Back in Time to Explore Distant Galaxies

August 15, 2013 2:48 PM

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Hubble has taken a look back in time to catch a glimpse of how galaxies form. The instrument has examined the universe 11 billion years ago in order to explore the anatomy of distant galaxies, revealing a little bit more about these ancient systems.

Galaxies are usually classified according to their morphology and star-forming activity. There's a veritable zoo of spiral, elliptical and irregular shapes that possess whirling arms, fuzzy haloes and bright central bulges. The two main categories of galaxies, though, are elliptical or spiral. A thi...

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