The universe has no edge — it curves back on itself like the surface of a sphere in higher dimensions.
Fact #6586
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Comets orbit the Sun in elongated paths.
Fact #75 · Space
The Milky Way galaxy contains billions of stars.
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Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1735 · Space
In 1977, a mysterious signal known as the 'Wow! signal' was detected from space.
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The Milky Way is estimated to contain hundreds of billions of stars.
Fact #270 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1841 · Space
Comets are made of ice, dust, and rocky material.
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The Sun makes up 99.8% of solar mass.
Fact #1712 · Space
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