The Earth completes one full rotation approximately every 24 hours.
Fact #153
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Comets can develop long tails when near the Sun.
Fact #281 · Space
Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1735 · Space
The Earth's atmosphere gradually fades into space.
Fact #334 · Space
Neptune is known for its deep blue color.
Fact #94 · Space
The Earth's magnetic north pole moves over time.
Fact #311 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1750 · Space
Jupiter is the largest planet in the solar system.
Fact #44 · Space
Black holes form from collapsed massive stars.
Fact #205 · Space
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