The Deep Impact mission fired a copper impactor into Comet Tempel 1 in 2005 to study its interior.
Fact #7540
👍 0 · 👎 0
More Space Facts
The Hubble Space Telescope revolutionized deep-space imaging.
Fact #1029 · Space
The Earth's rotation is gradually slowing over time.
Fact #105 · Space
The Earth's atmosphere protects life by filtering harmful radiation.
Fact #214 · Space
The universe is expanding faster.
Fact #1708 · Space
The Kuiper Belt contains many icy bodies beyond Neptune.
Fact #1619 · Space
The light you see from some stars today began traveling before humans existed.
Fact #1966 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1810 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1841 · Space
Want more facts?
We have over 11,491 facts across 15 categories.