A groundbreaking super-puff planet discovery has revealed two giant exoplanets with densities below cotton candy, changing ...
“These two planets have densities comparable to a nice blob of shaving foam, fresh from the can,” Dr. George Dransfield said.
Five years ago, astronomers revealed a spectacular collection of other worlds: the TRAPPIST-1 system. Newspapers around the world printed the discovery on their front pages: Astronomers had found that ...
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