Comets can develop long tails when near the Sun.
Fact #281
More Space Facts
The light you see from some stars today began traveling before humans existed.
Fact #1835 · Space
Comets are made of ice, dust, and rocky material.
Fact #33 · Space
The Earth's gravity affects the movement of tides.
Fact #231 · Space
The Earth completes one full rotation approximately every 24 hours.
Fact #153 · Space
Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1735 · Space
The Milky Way galaxy contains billions of stars.
Fact #25 · Space
Space is completely silent.
Fact #1689 · Space
Space smells like burned metal.
Fact #1718 · Space
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