English

Quiz "Which term used in astronomy am I?"

Which term used in astronomy am I?

the fainter of the two components of a double star

Which term used in astronomy am I?

a star that explodes catastrophically owing to either instabilities following the exhaustion of its nuclear fuel or gravitational collapse following the accretion of matter from an orbiting companion star, becoming for a few days up to one hundred million times brighter than the sun. The expanding shell of debris (the supernova remnant) creates a nebula that radiates radio waves, X-rays, and light, for hundreds or thousands of years

Which term used in astronomy am I?

the layer of loose material covering the bedrock of the earth and moon, etc, comprising soil, sand, rock fragments, volcanic ash, glacial drift, etc

Which term used in astronomy am I?

a celestial body that orbits around a specified primary body

Which term used in astronomy am I?

an infinitely dense point mass without a surrounding black hole
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