Lesson 6 Quiz

Question 1

Order the following according to increasing efficiency of detecting photons

Answer 1

eye, photographic film, CCD

Question 2

What do astronomers mean by light pollution?

Answer 2

light pollution is light from human sources that makes it difficult to see the stars at night

Question 3

What does the technique of inferometry allow?

Answer 3

It allows two or more telescopes to obtain the angular resolution of a larger telescope

Question 4

The Cassini mission to Saturn consists of

Answer 4

an orbiter that orbits saturn and a probe that descended to the surface of Titan

Question 5

The spacecraft curiosity is

Answer 5

A rover on Mars