Assertion: quasar's light | /r/CapableOf | take millions of years
Facets:
value: to pass the average distance
type: PURPOSE
Source sentences:
text: a section of the sky that contains a recognizable star pattern galaxy a large grouping of stars in space corona the sun’s outer atmosphere, which can extend outward a distance equal to 10–12 times the diameter of the sun photosphere the layer of the sun at which point the gases get thick enough to see; the surface of the sun chromosphere a thin region of the sun’s atmosphere between the corona and the photosphere; too faint to see unless there is a total solar eclipse core (sun) the center of the sun where the sun’s energy is produced convective zone a region of the sun where gases circulate in convection currents, bringing the sun’s energy to the surface radiative zone a very dense region of the sun in which the atoms are so closely packed that light can take millions of years to pass through astronomical unit the average distance between the Earth and the sun, or approximately 150,000,000 km nuclear fusion the process by which two or more nuclei with small masses join together, or fuse, to form a larger, more massive nucleus, along with the production of energy sunspot an area on the photosphere of the sun that is cooler than surrounding areas, showing up as a dark spot astronomy the study of all physical objects beyond Earth comet a small body of ice, rock, and cosmic dust loosely packed together that gives off gas and dust in the form of a tail as it passes close to the sun meteor a streak of light caused when a meteor- oid or comet dust burns up in the Earth’s atmos-