Author Question: The primary purpose of a telescope is to: A) collect a large amount of light and bring it into ... (Read 68 times)

melina_rosy · **on:** Jul 27, 2018

The primary purpose of a telescope is to:

A) collect a large amount of light and bring it into focus.
B) magnify distant objects.
C) separate light into its component wavelengths.
D) make distant objects appear nearby.
E) measure the brightness of stars very accurately.

Question 2

If a star is extremely massive (well over 100 solar masses), why isn't it likely to survive for long?

A) It explodes as a supernova after just a few dozen years.
B) It may blow itself apart because of radiation pressure.
C) It eventually divides into two lower-mass stars.
D) Its great mass will cause it to suck itself into becoming a black hole.