Beyond Earth: Why LHS 1140 b Is Our Best Shot Yet at Finding Extraterrestrial Life
Beyond Earth: Why LHS 1140 b Is Our Best Shot Yet at Finding Extraterrestrial Life For decades, the search for life beyond Earth has felt like a tantalizing game of "close, but no cigar." We’ve found rocky worlds in the right temperature spots, and we’ve found atmospheres on massive gas giants. But finding a rocky, Earth-like world that actually kept its atmosphere in the "Goldilocks zone"? That was the missing piece. Astronomers published evidence confirming that LHS 1140 b —a temperate, rocky world 48 light-years away—has retained a stable atmosphere for billions of years. Here is why scientists are calling this one of the most exciting breakthroughs in modern astronomy. What Makes LHS 1140 b So Special? To understand why astronomers are buzzing, you have to look at the "Habitability Trifecta". To host life as we know it, a world generally needs three things: A solid, rocky surface (not a giant ball of gas). The right orbit for surface liquid ...