Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1751
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The Moon has no liquid water on its surface today.
Fact #324 · Space
There are rogue planets drifting through space with no star at all.
Fact #1897 · Space
The light you see from some stars today began traveling before humans existed.
Fact #1761 · Space
The Earth's magnetic poles slowly shift over time.
Fact #212 · Space
The Earth's rotation causes day and night cycles.
Fact #185 · Space
There are rogue planets drifting through space with no star at all.
Fact #1951 · Space
Black holes have gravitational pulls so strong that not even light can escape.
Fact #66 · Space
The Voyager 1 spacecraft is the farthest human-made object from Earth and still communicates with us.
Fact #1673 · Space
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