Assertion: planet's body | /r/HasProperty | massive
Facets:
value: for its own gravity
type: CAUSE
value: to make
type: PURPOSE
Source sentences:
text: A celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighboring region of planetesimals.
text: Cockcroft explains that to be considered a planet today, a celestial body in the Solar System must orbit the sun, be massive enough for its own gravity to make it round, and have cleared its orbit of smaller objects.
text: We assume that the central body is massive enough that it can be considered to be stationary and we ignore the more subtle effects of general relativity.
text: An astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.
text: On the other hand, IAU defines a dwarf planet as “a celestial body in direct orbit of the Sun that is massive enough for its shape to be controlled by gravitation, but that unlike a planet has not cleared its orbital region of other objects.