Alma (ESO/NAOJ/NRAO)/W. Vlemmings
The end is coming, and we even know when: In 5 billion years, the sun, our wholesome yellow harbinger of energy, is going to swell into a red giant and consume most of the inner planets of the solar system.
It will also wreak gravitational and radioactive havoc on the outer planets and moons sitting in the farther reaches of the neighborhood.
We’ll all be long dead before then, of course. But we also just got a good preview of what it might look like: a new set...