The SETI project has been scanning the skies for alien signals since 1960.
Fact #6261
👍 0 · 👎 0
More Space Facts
The International Space Station orbits Earth roughly every 90 minutes.
Fact #81 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1750 · Space
The Earth's rotation causes day and night cycles.
Fact #185 · Space
Exoplanets have been discovered in habitable zones around distant stars.
Fact #1625 · Space
The Earth is not perfectly round.
Fact #1719 · 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 #1866 · Space
Saturn's rings are made primarily of ice particles and rocky debris.
Fact #17 · Space
Want more facts?
We have over 11,491 facts across 15 categories.