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“planetesimal”
planetesimal
1. A small body that is the precursor of a planet in the early stages of solar system development, or the fragmented result of a cataclysmic collision between a planet and another celestial body.
2. A small rocky celestial object thought to have orbited the Sun in the early stages of the solar system before coalescing with others to form the planets.
3. A small solid body following a planetary orbit; a miniature planet.
2. A small rocky celestial object thought to have orbited the Sun in the early stages of the solar system before coalescing with others to form the planets.
3. A small solid body following a planetary orbit; a miniature planet.
This entry is located in the following unit:
plano-, plan-, -plany, -plania
(page 1)
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“planetesimal”
The general term for one of the numerous celestial bodies ranging in size from millimeter-sized particles to kilometer-sized minor planets: The planetesimals are believed to have formed the planets by accretion.
This entry is located in the following unit:
Astronomy and related astronomical terms
(page 19)