Which of these landers carried Sojourner?
By the Atmosphere
How is life on Earth protected from extreme conditions in space?
They were trying to see if there were in traces of life on Mars.
Why did the scientist heat samples of soil from Mars?
Forms of gases
On Earth, carbon dioxide and oxygen are?
It used a six rugged wheel robot.
How did the Sojourner move around?
To keep it from landing on the edge of a cliff or near a volcano.
Why did scientist guide the Viking and Pathfinder landers to gently rolling Martian plains?
Earth has liquid water and Mars does not
Which of these contrast is correct?
Air and water. Plants and animals
What is missing from Mars that would make it livable like Earth?
On Mars, water can not exist as?
To help them breath because there is no air and also protect them from the cold because its really cold.
Why would an astronaut on Mars need a space suit?
A person who studies rocks and earth (solid matter on a planet)
What does geologist mean?
taken from a living being
What does organic mean?
a piece of matter from the solar system that hits
What does meteorite mean?
something shared between planets
What does interplanetary mean?
the gases that surround a planet
What does atmosphere mean?
Dust found in space is called______________ dust?
Scientist know that a ____________________hit the Martian surface
A _________________is a person who studies rocks and earth.
Another experiment the scientist complete was looking for __________________molecules which make up living things.
The earth's __________________is a protective layer of air.