section 2 Flashcards
smallest and closest plant to the sun
Mercury
second planet from the sun; has a dense atmosphere of mostly carbon dioxide and very high surface temps
Venus
third planet from the sun; the only planet in the solar system known to have life, and where water exists as a solid, liquid, and a gas.
Earth
fourth planet from the sun; called the red planet because of high concentrations of iron oxide
Mars
How did the solar system form
when a nebula collapsed
When did the earth form
4.6 billion years ago
What is mercury’s atmosphere like
It has no atmosphere
Which planet is referred to as Earth’s sister planet
Venus
What is Venus’s atmosphere like
it is very dense and hot
What states can water exist as on earth due to the temperatures
as a solid, liquid, or gas
What is mars also known as
the red planet
why is mars red
due to the iron oxide
how many moons does mars have
2
what are the names of mars moons
Phobos, Deimos
What do Phobos and Deimos mean
Phobos means fear and Deimos means panic
What was the mission of spirit and opportunity
to search for liquid water
What did the Mars Reconnaissance Orbiter discover
sediment layering and gullies
What did the Mariner 9 space probe discover
it discovered Valles Marineris and extinct volcanoes on mars
What did viking one and two do
they photographed the entire surface of mars
Global Surveyor
It found that the Valles Marineris has similar walls to the grand canyon
what did the mars Odyssey discover
water is frost beneath a thin layer of soil
What did the Mars Pathfinder and it’s rover, the Sojourner discover
found that iron leeched out from groundwater
Where did the Curiosity rover land
Gale Crater
what where the goals of curiosity
to investigate climate and geology, to collect evidence for microbial life, and to study planetary habitability
