4 words in this vocabulary list
adjective relating to or concerned with astrophysics, the branch of astronomy that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in the universe
noun None
verb None
adjective relating to the universe or cosmos, especially as distinct from the earth
adverb None
pronoun None
preposition None
conjunction None
interjection None
article None
noun a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass
noun a type of active galaxy with a supermassive black hole at its center that emits a high-energy jet of particles