The observable universe spans billions of light-years.
Fact #1611
More Space Facts
Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1751 · Space
Supernovae can briefly outshine entire galaxies.
Fact #1617 · Space
The Milky Way is estimated to contain hundreds of billions of stars.
Fact #270 · Space
Solar flares originate from the Sun's surface.
Fact #287 · Space
The Moon's gravity influences ocean tides.
Fact #69 · Space
There are rogue planets drifting through space with no star at all.
Fact #1951 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1865 · Space
The Moon was formed billions of years ago.
Fact #313 · Space
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