Each galaxy contains billions or trillions of stars.
Fact #3125
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More Space Facts
The observable universe is about 93 billion light‑years wide.
Fact #1750 · Space
The Earth's core temperature rivals the surface of the Sun.
Fact #191 · Space
The light you see from some stars today began traveling before humans existed.
Fact #1827 · Space
The light you see from some stars today began traveling before humans existed.
Fact #1831 · Space
Neutron stars can collide and produce heavy elements.
Fact #1627 · Space
Black holes form from collapsed massive stars.
Fact #205 · Space
The Kepler mission searched for Earth-like exoplanets.
Fact #1025 · Space
Some galaxies contain supermassive black holes millions of times the Sun’s mass.
Fact #1605 · Space
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