color articles
Why do meteors burn blue?
The brilliant streaks we witness blazing across the night sky, commonly called shooting stars, are technically meteors—s...
What color would an astronaut see the sky?
Astronauts looking up from orbit report a view dramatically different from what we experience on the ground: the sky is ...
What are the colors of the nebulae?
The universe presents an astonishing palette when we look toward nebulae, those immense clouds of gas and dust that repr...