The Voyager probes have traveled beyond the heliosphere.
Fact #1028
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The light you see from some stars today began traveling before humans existed.
Fact #1827 · Space
The Earth's atmosphere protects life by filtering harmful radiation.
Fact #214 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1870 · Space
The Moon's gravity influences ocean tides.
Fact #69 · Space
Some exoplanets orbit two stars at once.
Fact #1615 · Space
Some stars explode when they die.
Fact #1717 · Space
Solar eclipses occur when the Moon blocks the Sun from Earth's view.
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Quasars are extremely bright objects powered by supermassive black holes.
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