In this new video from Big Think, astrophysicist Neil deGrasse Tyson says he’s almost embarrassed for our species that it takes a warning shot across our bow before legislators take seriously the advice they’ve been receiving from astronomers about getting serious about asteroid detection and deflection; that it’s a matter of when not if Earth will get smacked by an asteroid. “But it took an actual meteor over Russia exploding with 25 times the power of the atom bomb in Hiroshima to convince people that maybe we should start doing something about it.”
According to the United Nations, the world produces about 430 million metric tons (267 U.S.…
As we saw with JWST, it's difficult and expensive to launch large telescope apertures, relying…
Voyager 1 was launched waaaaaay back in 1977. I would have been 4 years old…
The spectra of distant galaxies shows that dying sun-like stars, not supernovae, enrich galaxies the…
Neutron stars are extraordinarily dense objects, the densest in the Universe. They pack a lot…
Think of the Moon and most people will imagine a barren world pockmarked with craters.…