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NASA discovers a new Earth: is it really habitable?

DECRYPTION – Kepler’s successor, launched into orbit in April 2018, has uncovered an exoplanet that could harbor liquid water.

The first
The first “habitable Earth” found, administratively named TOI-700d. HANDOUT / AFP

This is what you could call the syndrome of the second. Since its launch into orbit in April 2018, the American satellite Tess, dedicated to the search for new exoplanets, has not been talked about much. The successor to the Kepler space telescope did not receive the same public tributes as his elder brother for his first cry, his first smile, his first word or his first steps. It’s the silent drama that every second one experiences … In this case, the fault lies partly with the journalists, partly with the scientists themselves, all of them reluctant to pretend an enthusiasm they no longer really feel. Like good sponsors, they nevertheless sincerely inquire about the evolution of the youngest. But the emotion is less lively.

Poor Tess has spared no effort: he works wonderfully well and has already discovered 1500 potential worlds around us, of which fifty have already been confirmed. NASA, as a good mother hen, proclaims it with

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