The Genesis mission collected solar wind particles and returned them to Earth in 2004.
Fact #7529
👍 0 · 👎 0
More Space Facts
The observable universe is about 93 billion light‑years wide.
Fact #1870 · Space
The Fermi Paradox questions why extraterrestrial life has not been observed.
Fact #1603 · Space
The light you see from some stars today began traveling before humans existed.
Fact #1959 · Space
Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1782 · Space
The Milky Way contains regions of active star formation.
Fact #219 · Space
Venus has the longest day of any planet in the solar system.
Fact #263 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1810 · Space
The Sun will eventually expand into a red giant.
Fact #111 · Space
Want more facts?
We have over 11,491 facts across 15 categories.