The Milky Way galaxy contains billions of stars.
Fact #25
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Black holes can slow time so much that seconds near them equal years far away.
Fact #1929 · Space
The Moon has no liquid water on its surface today.
Fact #324 · Space
The Voyager Golden Record was sent into space containing sounds and images from Earth.
Fact #1000 · Space
The Milky Way is just one of billions of galaxies in the universe.
Fact #78 · Space
The universe is expanding faster.
Fact #1708 · Space
The Sun accounts for more than 99% of the mass of our solar system.
Fact #40 · Space
The universe is estimated to be about 13.8 billion years old.
Fact #1623 · Space
The Earth orbits the Sun once every year.
Fact #296 · Space
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