Glossary |
Meteoroid - Definition |
updated: 2026-07-18 |
A meteoroid is a rocky or metallic object in space with a diameter of less than 1 meter (3.28 feet). Very tiny meteoroids — with mass smaller than 1 gram or so — are often called micrometeoroids or space dust.
Other free floating objects in our Solar system:
Reference: Asteroids vs comets vs… | The Planetary Society
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