Astronomy Quiz 2: Chapter 3

Question 1

fallacy (fallacious)

Answer 1

a statement or an argument based on false or invalid evidence

Question 2

eisegetical

Answer 2

a process of interpreting a text using one’s own idea or presuppositions

Question 3

remanent magnetism

Answer 3

the magnetization left behind in a medium after an external magnetic field is removed

Question 4

differential rotation

Answer 4

the condition in which different parts of an object rotate at different speeds; one example would be a spiral galaxy whose inner regions rotate faster than its outer regions

Question 5

aphelion

Answer 5

the point in the orbit of a celestial body at which it is farthest from the sun

Question 6

perihelion

Answer 6

the point in the orbit of a celestial body at which it is nearest to the sun

Question 7

According to the currently favored version of the big bang, the universe will continue to ___ indefinitely and grow ___.

Answer 7

expand, colder

Question 8

___ is the fastest way of transferring energy since nothing can travel faster.

Answer 8

light

Question 9

___ ___ develop on earth because the moon is closer to one side of the earth than the other, and thus gravity pulls harder on the near side.

Answer 9

tidal bulges

Question 10

The earth’s magnetic field is caused by ___ ___ within its interior.

Answer 10

electric currents

Question 11

Many of the planets of the solar system also have strong ___ ___ ___.

Answer 11

dipole magnetic fields

Question 12

The sun reverses its magnetic field every ___ years.

Answer 12

eleven

Question 13

The sun is so hot that most of its atoms are ___.

Answer 13

ionized

Question 14

Secular astronomers have invented the idea of an ___ ___ in an attempt to reconcile the short life span of comets with their belief that the universe is billions of years old.

Answer 14

Oort Cloud

Question 15

The earth’s magnetic field becomes ___ as time progresses.

Answer 15

weaker