One Universe at a Time

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The Puzzle Of Fluffy Galaxies

In Galaxies by Brian Koberlein3 September 20170 Comments

How can some galaxies survive with so few stars? The answer could be dark matter.

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Live Fast, Die Young

In Galaxies by Brian Koberlein8 April 20171 Comment

Some galaxies have a period of extremely rapid star formation, and this leads to their early demise.

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Supermassive Black Holes Can Trigger Star Formation

In Galaxies by Brian Koberlein3 April 20177 Comments

Supermassive black holes lurk in the hearts of galaxies, and they can trigger the formation of new stars.

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ALMA Sees Hydrogen Super-Halos Around Young Spiral Galaxies

In Galaxies by Brian Koberlein29 March 20173 Comments

New observations from ALMA show that early galaxies were surrounded by large halos of hydrogen gas.

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Order Of Magnitude

In Galaxies by Brian Koberlein31 October 20169 Comments

If everyone gave names to 200 galaxies, there would still be billions of nameless galaxies in the cosmos.

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ALMA Deep Field

In Galaxies by Brian Koberlein6 October 20161 Comment

ALMA has seen clues of star formation in some of the most distant galaxies.

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Hidden In Plain Sight

In Galaxies by Brian Koberlein17 April 20160 Comments

A new galaxy has been discovered that was hiding in plain sight.

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A Bit Farther

In Galaxies by Brian Koberlein11 March 20162 Comments

The most distant galaxy yet has been observed with a redshift of z=11.1.

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Some Galaxies Give Birth To 800 Stars Per Year

In Galaxies by Brian Koberlein1 December 20153 Comments

Recent observations from the ALMA radio telescope array have found some galaxies are extremely efficient at producing new stars, with some galaxies creating stars at an average rate of 800 per year.

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About The Author

Brian Koberlein is an astrophysics professor who can't stop rambling about how awesome the Universe is.