Q&A of the Day

Q&A of the Day: If we lived inside a black hole, how would we know?

Q:
How do we know that we – and our Solar System – don't live inside a black hole?

Black Hole

Q&A of the Day: Hey, Did you Catch How Fast that Solar System is Going?

Q:
Is our solar system moving or traveling within our Galaxy? Is our Galaxy traveling or moving in the Universe? If so, how fast?
solar system orbit

Q&A of the Day

We've decided to introduce a new, intermittent series to the Chandra blog. From time to time, we'll dig into our vast archive of questions submitted by the public and post the answers written by experts at the Chandra X-ray Center. Some of these will be Chandra-specific or at least X-ray astronomy related. Others, well, they'll be somewhat random. Enjoy.

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