30.2 Flashcards
Mercury
The smallest and closest planet to the sun
Venus
The second planet closest to the sun, known as earths sister planet
Earth
The 3rd closest planet to the sun
Mars
The 4th 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
no true atmosphere
what is Venuses atmosphere like
dense and hot
the temperatures on earth allow water to exist as
solid liquid gas
another name for mars is
the red planet
why is mars red
iron oxide
Mars has 2 moons named
Phobos Deimos
What does Phobos and Deimos
Phobos = Fear ; Deimos = Panic
what was Spirit And Opportunities mission
Find Water
What did Mars Reconnaissance Orbiter discover
Sediment Layering and Gullies
What did Mariner 9 Space Probe Discover
Valles Marineris and Extinct Volcanoes
what was the mission for Viking 1 & 2
Photograph all of mars
What did the Global Surveyor, Pathfinder, & Odyssey do
Global Surveyor discovered that the Valles Marineris walls are similar to the grand canyon.
Pathfinder and its rover Sojourner found that iron in mars crust may have been leached out by water.
Odyssey provided evidence that there is water frost under the thin layer of soil.
where did the curiosity rover land
Gale Crater
What was curiosity rovers pourpose
Investigate climate and geology
Find traces of Microbial Life
Do Habitability Studies
