Astronomy Exam (the Big One!)

Question 1

If 2 objects are closer together, what happens to the gravitational attraction between them?

Accepted Answer

increases

Question 2

Which is closest to the Sun?

Accepted Answer

Venus

Question 3

The Milky Way is an example of a...

Accepted Answer

galaxy

Question 4

Which color star is the hottest?

Accepted Answer

blue

Question 5

Which area on Earth receives the most direct sunlight all year long?

Accepted Answer

Equator

Question 6

When more of the lighted portion of the moon is showing each night, it is called...

Accepted Answer

waxing

Question 7

Theory that the universe began with an explosion.

Accepted Answer

Big Bang

Question 8

Holds the solar system and galaxies together.

Accepted Answer

gravity

Question 9

Stars are most commonly made of which element?

Accepted Answer

hydrogen

Question 10

Which of the following affects tides on earth?

Accepted Answer

sun's gravity, moon's gravity

Question 11

When the lighted portion of the moon is growing smaller it is called...

Accepted Answer

waning

Question 12

Time it takes Earth to rotate.

Accepted Answer

day

Question 13

A giant body of hot plasma held together by gravity that emits light.

Accepted Answer

star

Question 14

It is a giant dirty snowball with a long tail orbiting the Sun.

Accepted Answer

comet

Question 15

What causes stars to shine?

Accepted Answer

hydrogen atoms fusing together to form helium

Question 16

Which best describes the numbers of stars and galaxies?

Accepted Answer

billions of galaxies containing billions of stars

Question 17

The distance from Earth to the Sun.

Accepted Answer

astronomical unit

Question 18

Which star would appear brightest?

Accepted Answer

nearby large blue star

Question 19

Which is the largest?

Accepted Answer

Universe

Question 20

Compared to other stars, the Sun is...

Accepted Answer

Average temperature

Question 21

Planetary orbits are this shape.

Accepted Answer

ellipse

Question 22

On the electromagnetic spectrum, which color of light has the longest wavelength? (Roy G. Biv)

Accepted Answer

Red

Question 23

Name the moon phase!

Accepted Answer

waxing crescent

Question 24

Through a telescope you see what a galaxy looked like a million years ago, how's this possible?

Accepted Answer

It takes a million years for the galaxy's light to reach us

Question 25

Name the moon phase!

Accepted Answer

waxing gibbous

Question 26

Name the moon phase!

Accepted Answer

full

Question 27

When the length of day and night are equal.

Accepted Answer

equinox

Question 28

A planet the same size as Earth, its thick carbon dioxide atmosphere that will crush you?

Accepted Answer

Venus

Question 29

Why might a small red star appear brighter than a giant blue star?

Accepted Answer

the red star is closer

Question 30

What causes the change in seasons?

Accepted Answer

Tilt of the Earth on its axis

Question 31

The part of the Earth tilted away from the sun experiences...

Accepted Answer

winter

Question 32

Why do moon phases not happen the same day every month?

Accepted Answer

a lunar month is only 29.5 days

Question 33

Besides distance and size, what else determines a star's brightness?

Accepted Answer

temperature

Question 34

The moon has been hard to visit because of which of the following?

Accepted Answer

lack of an atmosphere, lack of funding, cold temperatures, little gravity

Question 35

The distance a beam of light travels in one year.

Accepted Answer

light year

Question 36

What is the image showing?

Accepted Answer

Lunar eclipse

Question 37

Name the moon phase!

Accepted Answer

new

Question 38

A gas giant planet.

Accepted Answer

Uranus

Question 39

Earth experiences "phases" when viewed from the moon.

Accepted Answer

True

Question 40

Name the moon phase...

Accepted Answer

1st quarter

Question 41

When the sun is farthest north or south and the day or nights is longest.

Accepted Answer

solstice

Question 42

What does the image show?

Accepted Answer

Solar eclipse

Question 43

A tool that splits light into the spectrum of colors.

Accepted Answer

spectroscope

Question 44

A giant star explodes, spreading its elements into space.

Accepted Answer

supernova

Question 45

An object made of billions of stars and gas and dust to make billions more.

Accepted Answer

galaxy

Question 46

Makes up 99% of the solar systems mass.

Accepted Answer

sun

Astronomy Exam (the Big One!)

Questions 46

Astronomy Exam (the Big One!)

Questions 46