New Horizons flew past Pluto in 2015 and is now beyond the solar system.
Fact #6085
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The observable universe is about 93 billion light‑years wide.
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The Milky Way galaxy is part of the Local Group.
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The Voyager probes have traveled beyond the heliosphere.
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The Moon has no breathable atmosphere.
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Mercury has no substantial atmosphere to trap heat.
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The Vostok 1 mission marked the first human spaceflight.
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The Earth completes one full rotation approximately every 24 hours.
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There are rogue planets drifting through space with no star at all.
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