Meteorite

Definition

A meteorite is a fragment of rock or metal from space that survives its passage through the Earth's atmosphere and lands on the surface. These celestial objects provide valuable information about the early solar system.

5 Must Know Facts For Your Next Test

1. Meteorites are classified into three main types: stony, iron, and stony-iron based on their composition.
2. Most meteorites originate from the asteroid belt between Mars and Jupiter.
3. The study of meteorites has revealed insights into the composition and age of the solar system, with some dating back over 4.5 billion years.
4. Meteorites often contain chondrules, which are small spherical inclusions formed by rapid cooling in the early solar system.
5. The largest meteorite found on Earth is the Hoba meteorite in Namibia, which weighs about 60 tons.

Review Questions

Related terms

Asteroid:

A small rocky body orbiting the sun, primarily found in the asteroid belt between Mars and Jupiter

Meteoroid:

A small particle from a comet or asteroid that is traveling through space before entering Earth's atmosphere

Chondrule:

Small spherical inclusions found within stony meteorites, formed by rapid cooling in the early solar system