Like a snowplow in overdrive, a supernova shockwave might sweep away any gas clouds in its path.
Neil deGrasse TysonWe only recently figured out the origin of our own moon. And we have some idea of how the Sun and Earth formed, but that's only because modern telescopes empower us to see other stars and planets freshly hatched within gas clouds across the galaxy. As for the origin of life itself, the transition from inanimate molecules to what any of us would call life remains one of the great frontiers of biology.
Neil deGrasse TysonPhotons are accurately and legitimately described as waves and particles at the same time. They are genuine wavicles.
Neil deGrasse TysonThe caricature of science is that we hold tight to the theories we have, and shun challenges to them. That's just not true. In fact, we hold our highest rewards for those scientists who can prove others wrong. And by the way, they are famous in their own lifetimes. We don't wait until they're dead.
Neil deGrasse Tyson