Vocab Section 2 Flashcards
Mercury
The smallest and closest planet to the sun
Venus
The 2nd closest planet to the sun
Earth
The third planet from the sun
Mars
The 4th planet from the sun
How did the solar system form
From a nebula that collapsed
How long ago did the solar system form
4.6 billion years ago
What is mercury’s atmosphere like
Has no true atmosphere
Which planet is referred to as earths sister planet
Venus
What is Venus’s atmosphere like
very dense and very hot
What states can water exists as on earth due to the temperature
Solid Liquid and Gas
What is mars also known as
The red planet
Why is mars red
Because of the high amounts of iron oxide.
How many moons does mars have
2
What are the names of those two moons
Phobos and Deimos
What does Phobos and Deimos mean
Fear and Panic
What was the mission of spirit and opportunity on mars
To search for liquid water
What did the mars reconnaissance orbiter discover
sediment layering and gullies
What did the mariner 9 space probe discover
Valles Marineris {a large canyon} and extent volcanoes
What did Viking 1 and Viking 2 do
They photographed the entire surface of mars.
What did the Global surveyor discover
It found that the Valles Marineris has similar walls to the Grand Canyon
What did the mars odyssey discover
Water is frost beneath the thin layer of soil.
What data was gathered by the path finder and its rover sojourner
That Iron my have been leached out by ground water.
Where did the curiosity rover land
Gale crater
What were the goals of curiosity
Investigate climate and geology
To collect evidence from microbial life
To study planetary habitability.
