Some stars collapse so violently they briefly outshine entire galaxies.
Fact #2258
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More Space Facts
The observable universe is about 93 billion light‑years wide.
Fact #1870 · Space
The light you see from some stars today began traveling before humans existed.
Fact #1906 · Space
Cosmic microwave background radiation is evidence of the early universe.
Fact #1608 · Space
The Earth's gravity keeps the Moon in orbit.
Fact #283 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1950 · Space
Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1848 · Space
Magnetars have extremely powerful magnetic fields.
Fact #1612 · Space
The International Space Station orbits Earth roughly every 90 minutes.
Fact #81 · Space
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