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This is Scientific American 60 Second Science.

I'm Julia Rosen.

In the last few decades

astronomers have discovered thousands of exoplanets orbiting other stars. Now

scientists want to know what they look like. Do they have oceans, atmospheres? Researchers have even

searched for signs of plant life and the glow of alien city lights, although they haven't found any yet.

We've moved on from being excited about finding exoplanets to now having to get our kicks out of

characterizing them.

Moia Micht here, a graduate student at Columbia University and the host of the podcast

So You Think You Can Science.

Last year, McTier's advisor challenged her to find something else on exoplanets.

Evidence of extraterrestrial mountains, because mountains could offer clues about what's going on inside these planets.

...