Eventually, the Sun will swell to occupy the entire sky as its expansion subsumes the orbit of earth. Earth's surface temperature will rise until it matches the 3,000-degree rarified outer layers of the expanded Sun.... But not to worry. We will surely go extinct for some other reason long before this scenario unfolds.
Neil deGrasse TysonSomething we all have as kids and is beaten out of us as adults. Parents come up to me, "How do I get my kids interested in science?" They're already interested in science. Just stop beating it out of them.
Neil deGrasse TysonIt makes good sense to revere the sun and the stars ... because we are their children
Neil deGrasse TysonFor all we know, the aliens have already done this and unwittingly concluded that there was no intelligent life on Earth. They would now be looking elsewhere. A more humbling possibility would be if aliens had become aware of the technologically proficient species that now inhabits Earth, yet they had drawn the same conclusion.
Neil deGrasse Tyson