How do we know it rains iron on WASP-76b?


There is an exoplanet, discovered by ESO’s VLT, where it rains iron. But WASP-67b is 690 light years away, how could we possibly know that?

Become a Patron today and support Astrum! Donate link above. I can’t do it without you. Patreons can help pick the next Astrum Answers in a fortnightly poll. Thanks to those who have supported so far!

Astrum Spanish: https://bit.ly/2KmkssR

Image Credits: NASA/Gemini/Sean Doran
Music Credits: Stellardrone – Billions and Billions

%d bloggers like this: