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Difficult search of exoplanets's biomarkers: Photosynthesis could be responsible for the high oxygen levels and the thick ozone layer. Microbes emit methane and nitrous oxide into the atmosphere, and seaweeds emit chloromethane gas. Huge!
https://t.co/roCuPNULZW
Pic:ESO/L.Calçada

72 156
2020-09-21

Would you like to meet

"Just knowing, by direct observation, that there is other life in the universe would be fascinating."

From to Drake equation and Fermi paradox.




⏯️The Drake equation: is anybody out there?https://t.co/JJ7BpTVxxH

0 5
2020-09-03

Have you seen my latest online classes? With Exoplanets, History of the Telescope, Mythology and more, they are (wait for it) Sign up today: https://t.co/7HGorfLmAQ

3 7
2020-08-26

Ma dernière illustration, réalisée pour le organisé par et

Thème : ruines et néons

2 22
2020-08-24

Planets Fun Fact:

The planets in our solar system all generally orbit the Sun in a flat plane, but have you ever thought why? From observing exoplanets & exosolar systems, we also see this same case. Well, the reason has something to do with how our system formed. (1/3)

39 158
2020-08-21

Hi all here. It's great to be back for a week of all the things exoplanets, planets and habitability.

0 9
2020-08-09

how to design for A new study simulates ocean tides on imaginary revealing the limits of influence on
► https://t.co/Ozsr7yd4Ql via

4 5
2020-07-06