Chapter 24

Question 1

Who developed a system for naming stars that used Greek and Latin?

Answer 1

Bayer

Question 2

What are used for giving the precise location of a star?

Answer 2

Declination and right ascension

Question 3

In apparent magnitude, is the lower or higher number brighter?

Answer 3

Lower

Question 4

Does apparent magnitude depend on the temperature of the star?

Answer 4

NO

Question 5

According to Genesis 1:14, why did God create the stars?

Answer 5

For signs and seasons

Question 6

What do cepheid variables do?

Answer 6

Make it easier to estimate the size of the universe

Question 7

What is a light year?

Answer 7

The distance light travels in a year

Question 8

What is used to estimate the distance to a dim, distant star?

Answer 8

Red shift

Question 9

What makes up the bulk of elements in most stars?

Answer 9

Hydrogen and helium

Question 10

What are used to classify luminosity?

Answer 10

Roman numerals

Question 11

What are used as the axes to plot stars on the H-R diagram?

Answer 11

Temperature and luminosity

Question 12

What are later stages in the life of a star?

Answer 12

Planetary nebulas, white dwarfs, and neutron stars

Question 13

What do pulsars and quasars both release?

Answer 13

Radio waves

Question 14

Do most galaxies have a super nova in the center of it?

Answer 14

NO

Question 15

Where are protostars found?

Answer 15

In stellar nurseries

Question 16

How old does the Standard Model of Cosmology say the universe is?

Answer 16

13.5 billion years old

Question 17

What is the actual brightness of a star called?

Answer 17

Absolute magnitude

Question 18

What is a star’s real motion a combination of?

Answer 18

Proper and radial motion

Question 19

Where are main-sequence stars found?

Answer 19

In the diagonal band of the H-R diagram

Question 20

What is a cloud of gas or dust that can be seen against a background of stars?

Answer 20

Nebula

Question 21

What Galaxy is our sun in?

Answer 21

Milky Way

Question 22

What is the study of how the universe began and how it changed over time?

Answer 22

Cosmology

Question 23

Who wrote an equation for calculating the probability of extraterrestrial life that led to SETI?

Answer 23

Drake

Question 24

Who created the New General Catalogue listing over 13,000 nebulas and other non-stellar objects?

Answer 24

Dreyer

Question 25

Who divided stars into six different ranks of magnitude?

Answer 25

Hipparchus

Question 26

Who developed the relationship between red shift and stellar distance?

Answer 26

Hubble

Question 27

Who proposed an idea that became the Big Bang Theory?

Answer 27

Lemaitre

Question 28

Who created an early catalog of non-stellar objects and used Ms to distinguish them?

Answer 28

Messier

Question 29

Are all asterisms constellations?

Answer 29

NO

Question 30

Are all constellations asterisms?

Answer 30

YES

Question 31

Who created the first system for assigning numbers to the magnitude of stars?

Answer 31

Hipparchus

Question 32

Which is larger: parsec or light year?

Answer 32

Parsec

Question 33

What would a star that had a diameter 100 times larger than our sun be called?

Answer 33

A supergiant

Question 34

Does a low-mass star have less mass than our sun?

Answer 34

YES

Question 35

Do astronomers believe that black holes formed at the beginning of the universe and some remnants of supernovas?

Answer 35

YES

Question 36

What are most of the stars in our galaxy believed to be?

Answer 36

True binary stars

Question 37

Are globular clusters and open clusters held together by gravity?

Answer 37

NO

Question 38

According to the most popular view of what the first stars formed just after the Big Bang the new stars have formed many times since that event?

Answer 38

Stellar evolution