Space and astronomy news
Totally amazing. Is the planetary illustration to scale? If so, those planets are really close and not a whole lot smaller than the star.
The main question I have is how stable is this star? These planets are in so close that a flare star would likely burn off their atmospheres long before life would get a chance to start.
It’s a Red Giant. They’re the most stable stars of which we’re aware. In fact, aside from the random multistar system catastrophe, every one that’s ever existed, likely still does. The life span is in the Trillions of years… Yes, “T”-rillions. I’d say it’s pretty stable. 😉, THREE IN THE HABITABLE ZONE”
While this certainly is a fascinating discovery, I think all the talk of finding Earth 2.0 is rather overblown to say the least. There’s practically no chance that a life-bearing planet orbiting a red dwarf star, let alone a particularly small and cool one like Trappist-1, would be even remotely Earth-like.‘ “When we look at young red dwarfs in our galaxy, we see they’re much less luminous than our sun today,” Airapetian said.
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