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Showing results for planetary. Search instead for protoplanetary.
Definitions

planetary

[plan-i-ter-ee] / ˈplæn ɪˌtɛr i /


Example Sentences

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Such conditions are common in protoplanetary disks, the rotating clouds of gas and dust that surround young stars and eventually give rise to planets.

From Science Daily • Mar. 1, 2026

Standard models propose that planets arise within a protoplanetary disc, a swirling cloud of gas and dust surrounding a young star.

From Science Daily • Feb. 14, 2026

Image: Artist’s impression of a protoplanetary disk distorted by a shock front created by an expanding bubble.

From Space Scoop • Sep. 19, 2025

This is the first time astronomers have found clear signs of collision between the bubble and protoplanetary disc.

From Space Scoop • Sep. 19, 2025

Yet recent images captured by NASA’s James Webb Space Telescope seem to contradict that notion by showing protoplanetary disks in a dwarf galaxy adjacent to our own Milky Way, the Small Magellanic Cloud.

From Salon • Dec. 21, 2024




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