30.2 Flashcards
(26 cards)
Mercury
The smallest and closest planet to the sun
Venus
The second closest planet to the sun
Mars
The fourth planet from the sun
Earth
The third 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
which is the smallest closest to the sun
Mercury
what is mercury atmosphere like
mercury has no true atmosphere
second planet from the sun
Venus
which planet is refereed to as earths sisters planet
Venus
what is Venuses atmosphere like
very dense and very hot
what states can water exists as on earth due to temperatures
solid liquid or gas
what is mars also known as
the red planet
why is mars red
due to ironoxide
how many moons does mars have
2
what are the names of these moons
Phobos and Deimos
what does Phobos and Deimos mean
fear and panic
what was the mission of spirit and opportunity
to search for liquid water
what did the mars reconnaissance orbiter discover
sediment layering and goalies
what did the mariner nine discover
Vales mariners
what did Viking 1 and Viking 2 do
photographed entire surface of mars
global surveyor
similar to grand canyon
what did the mars odyssey discover
water as frost beneath the thin layer of soil
what data was gathered by the path finder and its rover sojourner
iron man have been leached out by ground water
