What would we do if the Earth were about to be destroyed? “Evacuate Earth” examines this terrifying and scientifically plausible scenario by exploring the technologies we would devise to carry as many humans as possible to safety.
Betelgeuse will explode someday. It lies some 430 light-years from Earth. Yet it’s already one of the brightest stars in Earth’s sky. The reason is that Betelgeuse is a supergiant star. It is intrinsically very brilliant.
A generation ago, the idea of a planet orbiting a distant star was still in the realm of science fiction. But since the discovery of the first exoplanet in 1988, we’ve found hundreds of them, with the discoveries coming at a faster rate over time.
The ultimate fate of the universe is a topic in physical cosmology. Most of the cosmologists says that the ultimate fate of the universe is dependent on the shape of the universe and what role dark energy will play as …