TROJAN

Trojan

In astronomy, a trojan is a minor planet or natural satellite that shares an orbit with a planet or larger moon, but does not collide with it because it orbits around one of the two Lagrangian points of stability, and, which lie approximately 60° ahead of and behind the larger body, respectively. Trojan objects are also sometimes called Lagrangian objects. They are one type of co-orbital object. In this arrangement, the massive star and the smaller planet orbit about their common barycenter—a location in space where the forces of their mutual gravitational attraction balance each other out. A much smaller mass located at one of the Lagrangian ...

The above text is a snippet from Wikipedia: Trojan (astronomy)
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trojan

Noun

  1. Malware that appears to perform or actually performs a desired task for a user while performing a harmful task without the user's knowledge or consent.

Adjective

  1. Describing a satellite (moon or minor planet) that shares an orbit with another


The above text is a snippet from Wiktionary: trojan
and as such is available under the Creative Commons Attribution/Share-Alike License.

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