What does protoplanetary disk mean?
Definitions for protoplanetary disk
pro·to·plan·e·tary disk
This dictionary definitions page includes all the possible meanings, example usage and translations of the word protoplanetary disk.
Wikipedia
Protoplanetary disk
A protoplanetary disk is a rotating circumstellar disc of dense gas and dust surrounding a young newly formed star, a T Tauri star, or Herbig Ae/Be star. The protoplanetary disk may also be considered an accretion disk for the star itself, because gases or other material may be falling from the inner edge of the disk onto the surface of the star. This process should not be confused with the accretion process thought to build up the planets themselves. Externally illuminated photo-evaporating protoplanetary disks are called proplyds.
Numerology
Chaldean Numerology
The numerical value of protoplanetary disk in Chaldean Numerology is: 5
Pythagorean Numerology
The numerical value of protoplanetary disk in Pythagorean Numerology is: 5
Examples of protoplanetary disk in a Sentence
The tilt is too large to be a result of known formation processes in a protoplanetary disk or from later, large collisions.
This study suggests that a rocky, Earth-like planet gets more chances to acquire life-essential elements if it forms and grows from giant impacts with planets that have sampled different building blocks, perhaps from different parts of a protoplanetary disk, this removes some boundary conditions. It shows that life-essential volatiles can arrive at the surface layers of a planet, even if they were produced on planetary bodies that underwent core formation under very different conditions.
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"protoplanetary disk." Definitions.net. STANDS4 LLC, 2024. Web. 27 Apr. 2024. <https://www.definitions.net/definition/protoplanetary+disk>.
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