Chapter 6 Quiz

Which of the following provides observational evidence that Mars has weather and an atmosphere?

all of the above

The astronomer Schiaparelli was convinced that he could observe __________ on Mars

canals

A respected scientist and mathematician, Carl Gauss, recommended that we build a large right triangle on the surface of the Earth in order to ...

communicate with Martians

Compared to the Earth, Mars is about ..

half size

The Spirit and Opportunity rover missions continued for several years despite being designed to operate for only

90 days

In many ancient cultures, the "red planet" was named after .

God of war

In many ancient cultures, the "red planet" was named after ..

God of war

The first US missions to land on Mars were the ——- missions.

Mariner

In the early 1900's, it was considered common knowledge that there was intelligent life on Mars.

True

Virtually every planetary scientist agrees that liquid water did flow at one time on ancient Mars.

True

Orson Well's famous radio broadcast of ________________ caused a minor panic among listeners that a real alien invasion was underway

War of the Worlds

Galileo was able to observe polar caps on Mars with his first telescope observations.

False

Mars comes closer to Earth than any other planet.

False

The largest mountain in the solar system

Olympus Mons

The presence of _____ on the surface of Mars provides additional evidence for a wet Martian past.

Blueberries

The most clear evidence for the presence of water on ancient Mars is...

Dry riverbeds

The hypothesis that other planets are actually worlds like the Earth is known as ...

The Plurality of Worlds

The first US mission to land on Mars was ____

The Viking

The Phoenix Lander found ____ just under the surface of Mars.

frozen water ice

The ____ missions were the first to fly-by Mars.

mariner

Some early observers thought that changes in the large dark regions on the surface of Mars were caused by

the growth of vegetation

Why does liquid water boil away when exposed to the Martian atmosphere?

the low air pressure lowers the boiling point

Why doesn't Mars have active volcanoes today?

the planet lost its internal heat to cold space