Definition of «substellar»

The term "substellar" refers to anything that is below or outside the range of a star's gravitational influence. This can include objects such as planets, moons, asteroids, comets and other celestial bodies that are not part of a star system. The term is often used in contrast with "stellar," which refers to things within a star's orbit or atmosphere.

Phrases with «substellar»

Sentences with «substellar»

We conduct a Bayesian analysis to determine the frequency of substellar companions orbiting low - mass stars, using a homogenous sub-sample of 54 stars. (arxiv.org)
On June 11, 2008, On August 24, 2006, the International Astronomical Union (IAU) voted at the meeting of its Executive Committee to establish bright «dwarf planets beyond the orbit of Neptune as a new class of substellar objects in the Solar System called «plutoids» (IAU press release). (solstation.com)
On August 24, 2006, the International Astronomical Union voted at the end of its 26th General Assembly to establish a new class of substellar objects in the Solar System called «dwarf planets», which may eventually encompass many large and relatively round celestial objects such as inner Oort Cloud member Sedna. (solstation.com)
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