There are unknown regions of space.
Fact #2308
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Light from distant galaxies shows us the past.
Fact #1682 · Space
Rogue planets drift through space without orbiting a star.
Fact #1609 · Space
There are rogue planets drifting through space with no star at all.
Fact #1781 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1841 · Space
The Earth's atmosphere is layered into troposphere, stratosphere, and beyond.
Fact #277 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1870 · Space
Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1793 · Space
The Earth's rotation slightly bulges at the equator.
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