There are planets completely unlike anything on Earth.
Fact #2288
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More Space Facts
Some stars explode when they die.
Fact #1717 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1790 · Space
The James Webb Space Telescope observes distant galaxies in infrared light.
Fact #1630 · Space
The Hubble Space Telescope has captured deep images of distant galaxies.
Fact #61 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1754 · Space
Quasars are extremely bright objects powered by supermassive black holes.
Fact #1601 · Space
The light you see from some stars today began traveling before humans existed.
Fact #1761 · Space
The International Space Station travels at about 28,000 kilometers per hour.
Fact #174 · Space
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