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The Hunt for Dwarf Galaxies’ Ancestors

January 12, 2016
Hubble image of the Sagittarius Dwarf Galaxy in the local group
Hubble image of the Sagittarius Dwarf Galaxy in the local group. Given how faint these galaxies are, what is the likelihood we’ll be able to find their distant ancestors? [NASA, ESA, and The Hubble Heritage Team (STScI/AURA)]

"Dwarf galaxies are typically very faint, and are therefore hard to find. Given that, what are our chances of finding their distant ancestors, located billions of light-years away? A recent study aims to find out."

Read More: http://aasnova.org/2016/01/11/the-hunt-for-dwarf-galaxies-ancestors/

Anna Patej and Abraham Loeb 2015 ApJ 815 L28. doi:10.1088/2041-8205/815/2/L28