Ask an Astronomer

Curious about Astronomy? Have a burning question about the Universe that you'd like answered? Ask us! We have answered 40 questions so far.

We are a team of volunteers (graduate students, postdocs, researchers and faculty) affiliated with the University of Texas and McDonald Observatory. We welcome questions about Astronomy from K-12 students, teachers and the general public!

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Recent questions

Does a sunset in the west and a moonrise in the east ever happen at exactly the same time?
How do astronomers zero in on the spectrum of a single star?
Why do comets not get captured by Earth's gravity during a close flyby?
What is the difference between "twin suns" and "binary suns"?
Does time stand still inside a black hole?
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