6 asmr

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

blueberies

Compared to the Earth, Mars is about ...

1/2 the size

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

The Plurality of Worlds

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

Mars comes closer to Earth than any other planet.

fa;se

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

false

The largest mountain in the solar system is ...

olym

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

the god of war

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

90 days

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

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

true

The first US missions to land on Mars were the _____________ missions.

viking

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

war of the worslds

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

frozen water icew

Observing Mars is difficult because...

it is so small on our night sky

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

mariner

Why doesn't Mars have active volcanoes today?

the planet lost its internal heat to cold space


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