Preview (10 questions)
1 Question
30秒前
Q.

Mars is named after which Roman god?


God of Love

God of War

God of Fire

God of Time

2 Question
30秒前
Q.

What are the names of Mars' two moons?


Phobos and Oberon

Callisto and Titania

 Titania and Deimos

Phobos and Deimos

3 Question
30秒前
Q.

What are the main constituents of Mars's atmosphere?


Carbon Dioxide and Nitrogen

Oxygen and Carbon Dioxide

Carbon Dioxide and Methane

Methane and Argon

4 Question
30秒前
Q.

How long does it take Mars to complete one orbit of the sun?


687 days

 459 days

543 days

 782 days

5 Question
30秒前
Q.

What is the average temperature on Mars?


10 °C (50 °F)

 0 °C (32 °F)

-63 °C (-81 °F)

-29 °C (-20 °F)

6 Question
30秒前
Q.

How far is Mars from the sun?


 228 million km

149 million km

274 million km 

 249 million km

7 Question
30秒前
Q.

State true or false. Mars is home to the largest dust storms in the solar system.


True

False

8 Question
30秒前
Q.

Which of the following was the first rover to land on Mars?


Curiosity

Sojourner

Opportunity

Exploration

9 Question
30秒前
Q.

How many successful missions have been sent to Mars?


 40

22

18

17

10 Question
30秒前
Q.

State true or false. Martian sunsets are red in color.


True

False