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Ever wondered what would happen if you boiled tea near a black hole? Why the night sky is dark if the universe is infinite? Whether time really slows down near the speed of light—or just feels like it? Or why the early universe had more quantum fluctuations than your average graduate physics seminar?

These are the kinds of questions that keep cosmologists like me up at night.

So go ahead—ask me a question about the cosmos. It doesn’t have to be about cosmology (though I might get especially excited if it is). Anything from the shape of the universe to what happens at the end of time is fair game.



I'll feature the most intriguing, mind-bending Q&As right here on the page.