THE OUTER PLANETS

Question 1

What similarities do the gas giant planets have?

Answer 1

They are bigger than the inner planets.
They have many moons.
Far from the Sun.

Question 2

What are the 4 gas giants?

Answer 2

Jupiter, Saturn, Uranus and Neptune

Question 3

The first four outer planets do not have solid……..

Answer 3

surfaces

Question 4

What is the compositions of the gas giants?

Answer 4

Hydrogen and Helium

Question 5

Name all outer planets in order.

Answer 5

Jupiter, Saturn,Uranus, Neptune and Pluto

Question 6

What is the composition of the ring around the gas giants?

Answer 6

Ice and rock

Question 7

Which planet is the biggest, the most massive?

Answer 7

Jupiter

Question 8

What is the Great Red Spot on Jupiter?

Answer 8

It is a storm.

Question 9

Facts about Jupiter.

Answer 9

Jupiter has a dense/thick core of hydrogen & helium.
Jupiter has dozen of moons .
Many of Jupiters moons have been discovered today.

Question 10

What are the 4 largest moons of Jupiter called?

Answer 10

Io,Europa,Ganymede,Callisto

Question 11

Is moon IO covered with active volcanoes?

Answer 11

yes

Question 12

What are Saturn’s rings made of?

Answer 12

ice and rocks

Question 13

How many moons does Saturn have?

Answer 13

62. It has many moons.

Question 14

What is the name of the largest moon of Saturn?

Answer 14

Titan. It is bigger than Mars.

Question 15

Why does Uranus look blue-green?

Answer 15

Because it’s made up of Methane

Question 16

How much larger is Uranus than Earth?

Answer 16

4 times

Question 17

What discovery made astronomer William Herschel famous?

Answer 17

He discovered Uranus.

Question 18

How is the rotation of Uranus unlike that of most of the other planets?

Answer 18

because it is tilted 90 degrees from the vertical so it rotates sideways.

Question 19

What are Uranus’s 5 largest moons like?

Answer 19

they have icy surface and craters also lava flows.

Question 20

Which spacecraft sent many images of Uranus back to Earth?

Answer 20

Voyager

Question 21

Neptune’s surface is yellow and has no clouds. T or F

Answer 21

False

Question 22

In the 1800’s, how did astronomers predict that the Neptune would be discovered before anyone had seen it?

Answer 22

The mathematicians had calculated Neptune’s orbit because they saw that Uranus wasn’t following its own orbit as predicted.

Question 23

How is the Great Dark Spot similar to the Great Red Spot?

Answer 23

Probably a giant storm.

Didn’t last long.

Question 24

Which is the largest of Neptune’s moons?

Answer 24

Triton

Question 25

T or F. Pluto is smaller than Earth’s moon.

Answer 25

True

Question 26

Facts about Pluto.

Answer 26

Its moon is more than half Pluto’s size.
It has a solid surface.
It’s a dwarf planet.
Pluto is sometimes closer to the sun than Neptune.

Question 27

Why do astronomers think Pluto should not be called a planet?

Answer 27

Because they found a body farther from the sun and larger than Pluto.