The first animal in space was Laika, a Soviet dog, in 1957 — she survived the launch but died from overheating.
Fact #9356
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Some stars explode when they die.
Fact #1717 · Space
Space smells like burned metal.
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Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
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The observable universe spans billions of light-years.
Fact #1611 · Space
The observable universe is about 93 billion light‑years wide.
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Some stars collapse into black holes at the end of their life cycle.
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The Moon's gravity influences ocean tides.
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Neutron stars are among the densest objects in the universe.
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