Black holes can slow time so much that seconds near them equal years far away.
Fact #1776
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The Earth's magnetic north pole moves over time.
Fact #311 · Space
Cosmic microwave background radiation is evidence of the early universe.
Fact #1608 · Space
The light you see from some stars today began traveling before humans existed.
Fact #1959 · Space
Some galaxies appear distorted due to gravitational effects.
Fact #1629 · Space
The surface of Venus is hidden beneath thick clouds.
Fact #1628 · Space
The Sun accounts for more than 99% of the mass of our solar system.
Fact #40 · Space
The largest volcano is on Mars.
Fact #1707 · Space
The Wow! signal was a strong radio signal detected in 1977 that has never been fully explained.
Fact #1593 · Space
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