The Earth's rotation is gradually slowing over time.
Fact #105
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There are stars older than the Milky Way.
Fact #1697 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1729 · Space
The Voyager probes have traveled beyond the heliosphere.
Fact #1028 · Space
The Milky Way is estimated to be over 100,000 light-years wide.
Fact #177 · Space
There are rogue planets drifting through space with no star at all.
Fact #1897 · Space
The Vostok 1 mission marked the first human spaceflight.
Fact #1024 · Space
The observable universe spans billions of light-years.
Fact #1611 · Space
Black holes can slow time so much that seconds near them equal years far away.
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