They say that when we look up to see stars, we’re actually seeing the light from dead stars. So technically, we can’t see what’s out there in the present? What do you think is out there now? is it just new, modern stars or we don’t get to see anything at all? (since by now, everything has expanded billions of miles apart from each other that light is far from anything to reach)
In: Planetary Science
They’re not all dead. Only the extremely far ones that appear to be older may have expired.
But what’s left depends on the star type.
Very large ones likely died as they burn fast for stars. It could have left a black hole, or just blew apart into its parts, which may have enough material to form another, smaller star like our sun and planets. Right “now” it could be lit and planets still cooling. Life could be starting in its early proto- life state like it did here.
But we won’t see that. We still see the large star as it was however many years ago.
White dwarfs are what our sun would leave. They expand and fire off the outer layers, cooking the planets nearby. Then the center is a dead husk of a star, still glowing from risidule heat for a certain amount of time. We would see a nubula. Large area of gas lit up by the dead core, and if you look close, you might still see some planets if they survived and stayed in orbit.
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