From Keck: “UCI Scientists Size Up Universe’s Most Lightweight Dwarf Galaxy with Keck Observatory”

Science Springs

Keck Observatory

Keck Observatory

Keck Observatory

“The least massive galaxy in the known universe has been measured by UC Irvine scientists, clocking in at just 1,000 or so stars with a bit of dark matter holding them together.

sat
Credit: Garrison-Kimmel, Bullock (UCI)

The findings, made with the W. M. Keck Observatory and published today in The Astrophysical Journal, offer tantalizing clues about how iron, carbon and other elements key to human life originally formed. But the size and weight of Segue 2, as the star body is called, are its most extraordinary aspects.

‘Finding a galaxy as tiny as Segue 2 is like discovering an elephant smaller than a mouse,’ said UC Irvine cosmologist James Bullock, co-author of the paper. Astronomers have been searching for years for this type of dwarf galaxy, long predicted to be swarming around the Milky Way. Their inability to find any, he said, ‘has been a major…

View original post 136 more words

And your thoughts?

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s