Chapter 30.2 Notes Flashcards
(20 cards)
How did the Solar system form?
A Nebula Collapsing
How long ago did the Solar system form?
4.6 billion years ago
What type of atmosphere does mercury have?
No true atmosphere
What is Earths sister planet?
Venus
What type of atmosphere does Venus have?
Very dense and hot
The temperatures on Earth allow water to exist in what states?
Solid, Liquid, Gas
What is another name for Mars?
The Red Planet
Why is Mars red?
The Iron Oxide in the weathered rock.
How many moons does mars have?
2
Names of Mars moons?
Phobos and Deimos
What does Phobos and Deimos mean?
Phobos: Fear Deimos: Panic
What was Spirit and Opportunities mission?
Searching for liquid water.
What was Mars Reconnaissance Orbiter’s discoveries?
Sediment layering and gullies
What did Mariner 9 Space Probe discover?
Valles Marineris(large canyon) and large extinct volcanoes.
What was the mission of Viking 1 & 2?
To photograph the entire surface of mars.
What did the global surveyor do?
Discovered that the Valles Marineris walls were similar to the grand canyon.
What did Mars Odyssey provide evidence for?
Water is frost beneath a thin layer of soil.
What data did the Mars Pathfinder and Sojourner(its rover) find?
Iron in Mars crust may have been leached out by groundwater.
Where did the Curiosity rover land?
In the Gale Crater on Mars
What were the goals of Curiosity?
To investigate climate and geology, collect evidence for microbial life, and the planetary hability studies for future human exploration