ch. 30.2 Flashcards
(25 cards)
Mercury
Is the smallest planet closets to the sun.
Venus
The second closets planet to the sun.
Earth
The third planet for the sun.
Mars
The fourth planet from the sun.
How did the Solar system form ?
From a nebula that collapse.
How long did the solar system form?
4.6 billion years ago.
What is Mercury atmosphere like ?
Has not true atmosphere.
Which planes is referrer to as Earths sisters plane?
Venus
What is Venus atmosphere like?
It is very dense and hot.
What states can water exist as on Earth do to the temperatures ?
Solid, liquid and gas.
What is Mars also known as ?
Mars is know as the Red Planet.
Why Mars is red?
Iron oxide
How many Moons does Mars have?
Mars has two moons.
What are the names of the two moons?
Phobos and Deimos
What Phobos mean?
Fear
What does Deimos means?
Panic
What was the mission of spear a opportunity
For search liquid water.
What did the reconnaissance orbiter discover?
sedimentary and gullies.
What did the Mariner 9 discover?
It discover valleys Marines a large canyon.
What did the viking one and two do?
They photograph the entire surface of Mars.
Global Surveyor discover
It found that the valleys Marines has distinc layers are similar to the grat canyon
What did the Mars odyssey
water is frost beneath a tin layer.
What data was gadder by the
That Iron has leached by grind water.
Where did the creasidiy landed
gale dcenter
