Ask Astro
Ask Astro answers reader questions about the science and hobby of
astronomy in every issue of the magazine.
Search past questions or submit your own question here.
Recent Ask Astro questions
Where is the center of the
universe?
Why are open clusters and globular clusters found in different places?
What happens at the center of a black hole?
How do radio telescopes work?
What time is it on Mars?
Is gravity instantaneous?
Does E = mc^2 hold true for dark matter and dark energy?
Why is the night sky dark? Why does night sky appear dark?
If protostars aren't yet generating light through fusion?
What is the cosmic web made of?Is the Milky Way in the cosmic web?
Why was Cassini crashed into Saturn to prevent contamination if Huygens intentionally landed on Titan?
Do black holes have bottoms?What's at the end of a black hole?
What would happen to Earth if a large asteroid hit the Moon?What happens if a big asteroid hits the Moon?
What are the blobs in the EHT image of the Milky Way's supermassive black hole?
Can astronomers do their work during the day?Do astronomers have flexible schedules?
Submit a Question
Puzzled by Pluto? Confounded by cosmology? Ask Astro! Be concise and focused in formulating your question. Submitted questions will be edited for length and clarity before publication.
