Author Question: Pulsars A) spin very rapidly when they're young. B) are the cause of gamma-ray bursts. C) spin ... (Read 40 times)

viki · **on:** Jul 27, 2018

Pulsars

A) spin very rapidly when they're young.
B) are the cause of gamma-ray bursts.
C) spin very slowly when they're young, and gradually spin faster as they age.
D) generally form from 25 solar mass stars.
E) emit radio in all directions.

Question 2

If the Moon is setting at noon, the phase of the Moon must be

A) full.
B) first quarter.
C) third quarter.
D) waning crescent.
E) waxing crescent.