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Eta Carinae Isn’t Alone

In Stars by Brian Koberlein7 January 20162 Comments

As far as we know, there isn’t another star like Eta Carinae in our galaxy, but new observations have found five similar stars in other galaxies.

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The Flicker Of A Star Can Tell Us Its Mass

In Stars by Brian Koberlein2 January 20162 Comments

In new research, found that there was a good correlation between the flicker of a star and its surface gravity.

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Planetary Storm On A Stellar Object

In Stars by Brian Koberlein17 December 20152 Comments

Astronomers have found a stormy dark spot on a small star.

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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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Did Stars Form In The Center Of Our Galaxy First?

In Galaxies by Brian Koberlein3 November 20150 Comments

One popular model of galaxy formation has been that stars form in the central region of a galaxy first, and then later stars further out form.

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Contact Binary

In Stars by Brian Koberlein28 October 20153 Comments

A contact binary star occurs when two stars are close enough that their outer layers are in contact with each other.

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Using Doppelganger Stars to Measure Stellar Distances

In Stars by Brian Koberlein6 September 20153 Comments

Astronomers have developed a new method using “twin stars” to measure stellar distances.

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How To Build A Star

In Stars by Brian Koberlein12 August 20154 Comments

Suppose you wanted to build a star. How would you go about making one?

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Solving the Lithium Enigma

In Stars by Brian Koberlein5 August 20152 Comments

Why do young stars contain so much lithium? That might seem an odd question, but it’s a question that has nagged astronomers for quite some time.

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About The Author

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