Second Earth: Planet LHS 1140-b Officially Declares Its Habitability (Photo)

It seems the search for humanity's "Plan B" has received a powerful boost: for the first time, scientists have found not just a potentially habitable world, but a candidate that passes the "Earthly" test with flying colors. We're talking about the exoplanet LHS 1140-b, located 48 light-years away—literally in our backyard in cosmic terms.

The key to this discovery isn't astronomers' guesses, but a scientific fact: for the first time, the planet's atmosphere has been directly confirmed. Combined with its solid surface and the presence of water, this makes LHS 1140-b the most promising place to search for life. Of course, we haven't yet received a welcome signal from its inhabitants, but the very existence of such a "backup" is already a sensation. Now the only question is who will be the first to detect markers of biological activity in this atmosphere: the question of time is becoming much more interesting than it seems at first glance.