Author Question: The main reason for building large optical telescopes on the Earth's surface is a. that there is ... (Read 120 times)

cool · **on:** Jul 27, 2018

The main reason for building large optical telescopes on the Earth's surface is

a. that there is a lot of money in science that needs to get spent.
b. to collect as much light as possible from faint objects.
c. to nullify the blurring effects of the Earth's atmosphere and thus produce higher resolution images.
d. to bring astronomical objects closer to make them brighter.
e. that the warm temperatures of the Earth's surface allow for easier telescope operation.

Question 2

A type-II supernova

a. occurs when a white dwarf's mass exceeds the Chandrasekhar limit.
b. is the result of helium flash.
c. is characterized by a spectrum that shows hydrogen lines.
d. occurs when the iron core of a massive star collapses.
e. c and d