Question

occurring in the constellation perseus, 240 million light - years from earth, sn 2006gy was a explosion of a massive star, which blasts large amounts of radiation, heavy elements, and debris into space—that was first detected by american astronomer robert quimby. which choice completes the text so that it conforms to the conventions of standard english? a) supernova: the b) supernova, the c) supernova. the d) supernova—the

Explanation:

A super - nova is an explosion of a massive star. The text describes the explosion of a massive star and the resulting phenomena like radiation, heavy elements, and debris. The correct term to complete the text following standard English is "supernova". "The supernova" is the appropriate way to refer to it in this context.

Answer:

A. supernova: the