Ask an Astronomer

Curious about Astronomy? Have a burning question about the Universe that you'd like answered? Ask us! We have answered 43 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

In an expanding universe, why are Andromeda and the Milky Way destined to collide?
What are the degree requirements and verification required to become an astronomer?
What proof do you have that planets are made from gas and dust?
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?
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