Chapter 30 Section 2 Flashcards
(24 cards)
Mercury
The closest planet to the sun.
Venus
The second closest planet to the sun.
Earth
The third closest planet to the sun.
Mars
The fourth closest planet to the sun.
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?
Mercury has no true atmoshpere.
What is earths sister planet?
Venus is earths sister planet
What is Venuses atmosphere like?
Its very dense, and Very hot.
The temperatures on earth allows water to exit…
A solid, A liquid, and a gas
What is another name for Mars?
The red Planet.
Why is Mars red?
Because the iron oxide.
How many moons does mars have
2
What are the names of the two moons on Mars?
Phobos and Deimos.
What does Phobos and Deimos Mean
Phobos means Fear and Deimos means Panic.
What were spirits and opportunity mission?
To search for liquid water
What did mars Reconnaissance Orbiter discover?
It discovered Sediment layering and Gullies.
What did Mariner 9 space probe discover
Valles Marineris and Extinct volcanoes
What was the mission of viking 1 and viking 2
Orbiters photographed the entire surface of mars.
What was global surveyors mission
It discovered that the Valles Marineris walls where similar to the Grand canyons.
What did oddesy provide evidence for
water is frost beneath a thin layer of soil
What did the mars pathfinder and its rover find?
Iron was leached out by ground water.
Where did the curiosity rover land?
The Gale Crater.
What was Curiosity’s mission?
Martion climate and geology, Microbial life, Planetary habitability.
