January 30, 2019

Why do rainbows appear after a storm?

That sunshine beaming through your windows might seem completely see-through, but this ‘’white light’’ is actually composed of many colors – a literal rainbow of them. […]
January 30, 2019

Why is the sky glowing?

Because charged particles cast off from the sun hit the Earth’s magnetic field 100 miles (160 km) up, making the air molecules glow green, violet, blue […]
January 30, 2019

What are black holes?

Astronomers can’t see these mighty munchers of matter, but they spot their effects across the galaxy. Black holes form when stars 20 times larger than our […]
January 30, 2019

What would happen if you got sucked into a black hole?

Some seriously strange stuff – and none of it good. Everything would go dark as your spaceship approached the black hole’s swirling ‘’event horizon,’’ or point […]