Assertion: planet's body | /r/HasProperty | the earth
Facets:
value: usually
type: DEGREE
Source sentences:
text: Other planetary satellites (like Earth and its moon) might be in hydrostatic equilibrium, but would still not have been defined as a component of a double planet, since the barycenter of the system lies within the more massive celestial body (the Earth).
text: Other planetary satellites (for example, Earth's moon) might be in hydrostatic equilibrium, but would still not have been defined as a double planet since the barycenter of the system lies within the more massive celestial body (that is, Earth).
text: In celestial mechanics, this is usually a Keplerian ellipse, which is correct when there are only two gravitating bodies (say, the Earth and the Moon), or a circular orbit, which is only correct in special cases of two-body motion, but is often close enough for practical use.
text: The L 4 and L 5 points are stable provided that the mass of the primary body (e.g. the Earth) is at least 25[note 1] times the mass of the secondary body (e.g. the Moon).
text: In positional astronomy, two astronomical objects are said to be in opposition when they are on opposite sides of the celestial sphere, as observed from a given body (usually Earth).