Quiz about Characteristics of Stars

Question 1

What color is Star A?

Accepted Answer

Orange

Answer

White

Answer

Blue

Answer

Red

Answer

Yellow

Question 2

What color is Star B?

Accepted Answer

White

Answer

Blue

Answer

Red

Answer

Orange

Answer

Yellow

Question 3

What color is Star C?

Accepted Answer

Yellow

Answer

White

Answer

Blue

Answer

Red

Answer

Orange

Question 4

What color is Star D?

Accepted Answer

Red

Answer

White

Answer

Blue

Answer

Orange

Answer

Yellow

Question 5

What color is Star E?

Accepted Answer

White

Answer

Blue

Answer

Red

Answer

Orange

Answer

Yellow

Question 6

What type of star is Star E?

Accepted Answer

White Dwarf

Answer

Supergiant

Answer

Giant

Answer

Main Sequence

Question 7

What type of star is Star A?

Accepted Answer

Supergiant

Answer

Colossus

Answer

Main Sequence

Answer

White Dwarf

Question 8

What type of star is Star B?

Accepted Answer

Main Sequence

Answer

Supergiant

Answer

Giant

Answer

White Dwarf

Question 9

What type of star is Star C?

Accepted Answer

Main Sequence

Answer

Supergiant

Answer

Giant

Answer

White Dwarf

Question 10

What type of star is Star D?

Accepted Answer

Main Sequence

Answer

Supergiant

Answer

Giant

Answer

White Dwarf

Question 11

Which magnitude would be associated with the brightest star?

Accepted Answer

-15

Answer

-5

Answer

15

Answer

5

Question 12

Stars appear to move in the sky because:

Accepted Answer

Earth is moving

Answer

the universe is expanding

Answer

the sky is rotating

Answer

galaxies are forming

Question 13

Circumpolar stars in the Northern Hemisphere appear to circle:

Accepted Answer

polaris

Answer

the sun

Answer

proxima centuri

Answer

the moon

Question 14

About 90% of stars on the HR diagram are __.

Accepted Answer

main sequence

Answer

giants

Answer

white dwarfs

Answer

supergiants

Question 15

According to the picture above, Star C has an absolute magnitude of approximately _____.

Accepted Answer

5

Answer

0

Answer

-5

Answer

5000

Question 16

According to the picture above, which star is the brightest?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Answer

E

Question 17

Stellar Distances are usually expressed in what unit?

Accepted Answer

light-years

Answer

kilometers

Answer

miles

Answer

astronomical units

Question 18

If star A is farther from Earth than Star B, but both stars have the same absolute magnitude, wha tis true about their apparent magnitude?

Accepted Answer

Star B has the greater apparent magnitude

Answer

Star A has the greater apparent magnitude

Answer

Both stars have the same apparent magnitude

Answer

Apparent magnitude is not related to distance

Question 19

Which of the following is true about parallax?

Accepted Answer

the parallax angles of distant stars are to small to measure

Answer

it is used to measure distances to all stars

Answer

stars closer to Earth have a smaller parallax

Answer

stars farther from Earth have a larger parallax

Question 20

When estimating the distance of stars from Earth, astronomers use the fact that nearby stars shift in position as observed from Earth, which is called:

Accepted Answer

parallax

Answer

precision

Answer

shafting

Answer

parsec

Question 21

A light-year is approximately ___.

Accepted Answer

9.5 trillion km

Answer

95 billion km

Answer

9.5 billion km

Answer

95 trillion km

Question 22

A star with a temperature between 5000 K and 6000 K appears ____.

Accepted Answer

yellow

Answer

blue

Answer

white

Answer

orange

Question 23

The measure of a star's brightness is called its ____.

Accepted Answer

magnitude

Answer

spectrum

Answer

intensity

Answer

parallax

Question 24

How do stars with a negative numbers for their apparent magnitudes compare to stars with a positive numbers for the apparent magnitude?

Accepted Answer

they appear brighter in the sky

Answer

they are reddish in color

Answer

they are older than other stars in the sky

Answer

they appear dimmer in the sky

Question 25

Astronomer can identify binary stars by:

Accepted Answer

measuring the shifts in movements of a pair stars around a center of mass.

Answer

examining the stars absorption spectra

Answer

comparing the colors of the stars

Answer

measuring the parallax of the stars

Question 26

What can parallax be used to calculate?

Accepted Answer

the distance to stars closer to Earth

Answer

the composition of stars based on the spectra of their starlight

Answer

the temperature on the surface of a star within 1000 ly of Earth

Answer

the distance to stars that are extremely far away

Question 27

Scientists determine the composition and temperature of stars ____.

Accepted Answer

by analyzing the spectra of the light that stars emit

Answer

by sampling matter on the surface of the stars

Answer

through magnetic testing

Answer

by analyzing the vibrations that stars emit.

Question 28

Constellations are:

Accepted Answer

groups of stars that form patterns

Answer

the brightest stars

Answer

found only in the northern hemisphere

Answer

stars over Greece

Question 29

Ursa Major, or the big dipper, is an example of ____.

Accepted Answer

circumpolar constellation

Answer

constellation that can be seen only in the winter

Answer

constellation that can only be seen in the summer

Answer

constellation that can only be seen in the spring

Answer

constellation that can only be seen in the fall

Question 30

Which color star would have the highest surface temperature?

Accepted Answer

yellow

Answer

red

Answer

orange

Answer

green

Question 31

Which color star would have the coolest surface temperature?

Accepted Answer

orange

Answer

yellow

Answer

white

Answer

green

Question 32

The Hertzsprung-Russell diagram shows the relationship between:

Accepted Answer

absolute magnitude and spectral types

Answer

temperature and apparent magnitude

Answer

apparent magnitude and mass

Answer

temperature and spectral types

Question 33

What are star clusters?

Accepted Answer

Stars that are held together by gravity

Answer

stars with 2 poles

Answer

stars like the sun and polaris

Answer

stars that are held motionless by gravity

Question 34

________ is brightness of an object, if it was placed at a distance of 10 pc.

Accepted Answer

absolute magnitude

Answer

apparent magnitude

Answer

luminosity

Answer

watts

Question 35

Energy output from the surface of a star per second

Accepted Answer

luminosity

Answer

absolute magnitude

Answer

apparent magnitude

Answer

watts

Question 36

Ancient Greek classification system bas on how bright a star appears to be from Earth.

Accepted Answer

apparent magnitude

Answer

absolute magnitude

Answer

luminosity

Answer

watts

Question 37

In the spectral types, what letter represents the hottest stars?

Accepted Answer

O

Answer

M

Answer

G

Answer

A

Question 38

In the spectral types, what letter represents the coolest stars?

Accepted Answer

M

Answer

G

Answer

A

Answer

O

Question 39

In the spectral types, what letter comes between K & F

Accepted Answer

G

Answer

M

Answer

A

Answer

O

Question 40

In the spectral types, what letter comes between O & A

Accepted Answer

B

Answer

K

Answer

F

Answer

M

Question 41

In the spectral types, what letter comes between M & G

Accepted Answer

K

Answer

F

Answer

B

Answer

O

Question 42

In the spectral types, what letter is the coolest?

Accepted Answer

G

Answer

B

Answer

A

Answer

F

Question 43

In the spectral types, what letter is the hottest?

Accepted Answer

B

Answer

G

Answer

A

Answer

F

Characteristics of Stars

43 questions

What color is Star A?

What color is Star B?

What color is Star C?

What color is Star D?

What color is Star E?

What type of star is Star E?

What type of star is Star A?

What type of star is Star B?

What type of star is Star C?

What type of star is Star D?

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