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Solving the Lithium Enigma

In Stars by Brian Koberlein

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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Stranger In a Strange Land

In Stars by Brian Koberlein

The stars in our galaxy can change orbits over time. Through “close encounters” with other stars, they can find themselves in very different regions of the galaxy than their region of origin. Now new research finds that about a third of stars drift to new orbits in their lifetime.

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In the Belt

In Stars by Brian Koberlein

A region of material similar to the Kuiper belt of our solar system has been directly observed around another star.

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Red Hot Vacuum

In Stars by Brian Koberlein

Giant stars such as Betelgeuse may appear to dwarf our Sun, but their densities are so low that they are basically red hot vacuums.

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And Yet, Here We Are

In Stars by Brian Koberlein

Caffau’s star is sometimes called an “impossible star.” It’s actually just an interesting star that we don’t fully understand.