One Universe at a Time

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Echoes From The Abyss

In Black Holes by Brian Koberlein3 December 20163 Comments

Observations of gravitational waves might allow us to test the quantum properties of black holes.

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Close Enough

In Black Holes by Brian Koberlein7 November 201614 Comments

To make a black hole, do we have to squeeze mass all the way to its limit, or do we just have to get close enough?

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Are You A Black Hole?

In Relativity by Brian Koberlein26 June 201632 Comments

You aren’t a black hole, and that means a particle moving at nearly the speed of light isn’t one either.

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A More Perfect Union

In Gravity by Brian Koberlein17 June 20166 Comments

The second detection of a black hole merger confirms the success of gravitational wave astronomy.

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Hair Of The Dog

In Black Holes by Brian Koberlein8 June 20163 Comments

It turns out that black holes might have hair after all.

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The Challenge of Proving Black Holes

In Black Holes by Brian Koberlein10 May 20161 Comment

What if black holes don’t exist, but similar objects do? How would we tell the difference?

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Black Hole Alignment Is Not So Mysterious

In Black Holes by Brian Koberlein14 April 20164 Comments

There’s news of a mysterious alignment of black holes. While that makes for good headlines, the actual scientific findings aren’t so mysterious.

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Huge Black Hole In A Cosmic Backwater

In Black Holes by Brian Koberlein7 April 20164 Comments

Inside the galaxy known as NGC 1600 there is a black hole 17 billion times more massive than our Sun.

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Black Holes With A Twist

In Black Holes by Brian Koberlein24 March 20165 Comments

If you were to spin a ball, for example, the texture of the ball’s surface would make it easy to see the ball is rotating. But what if the ball were perfectly smooth?

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About The Author

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