From space, the Sun appears bright white. Its "yellow" hue on Earth is due to our atmosphere scattering shorter wavelengths of light.
Venus takes 243 Earth days to rotate once on its axis but only 225 Earth days to complete one orbit around the Sun.
A single teaspoon of neutron star material would weigh around 6 billion tons. That's about the same as Mount Everest!
Discovered 12 billion light-years away, this cloud of water vapor holds 140 trillion times the water of all Earth's oceans combined!
Astronauts have reported that their spacesuits smelled like burnt steak, gunpowder, or welding fumes after spacewalks. This is due to high-energy particles interacting with the materials.