CH 30.2 Flashcards
Mercury?
Smallest and closest planet to the sun.
Venus?
The second closest planet to the sun.
Earth?
The third planet from the sun.
Mars?
The fourth planet from the sun.
How did the solar system form?
nebula collapse.
How long ago was the solar system formed?
4.6 billion years ago.
What is Mercury atmosphere like
there is no true atmosphere.
What is Mercury surface temperature?
430C to -170C.
What is Venus referred to?
Earth’s sister planet.
What is Venus atmosphere like?
A blanketed by a dense atmosphere.
What is the temperature on Earth?
Allow water to exist as a solid, liquid, and gas.
What does the ozone layer do?
Protect life from the sun’s radiation.
Why is mars called the red planet?
Because the iron oxide in some weathered rock.
How many moons does mars have?
2
What are the moons names?
Phobox and Deimox
What did the Martin Spirit and Opportunity?
look for liquid water.
What did the Mars Reconnaissance orbiter discover?
sediment layering and gallies.
When did the Mariner 9 space probe orbited?
1971-1972.
What is Valles Mariners?
A large canyon discovered by the early mission.
Mariner 9 also found?
large extinct volcanoes on Mars.
What happen in 1976?
Viking 1 Viking 2 probes landed on Mars
Viking 1 and 2?
photographed the entire surface on mars surface.
Landers contained?
meteorological, chemical, and biological experience on the planets surface.
In 1996 Global Surveyor showed what?
that the walls of Valles Marineris have distinct layers similar to those of the Grand Canyon in Arizona.
Mars Odyssey provides evidence for what?
water as frost beneath a thin layer of soil in the far northern and southern parts of Mars.
The Mars Pathfinder and it’s rover Sojourner did what?
gathered data that indicate that iron in Mar’s crust mat have been leached out by groundwater.
The 2012 Curiosity rover landed where?
In the Gale Crater on Mars.
What was the 1st rover goal?
Investigate the Martian climate and geology.
What was the 2 rover goal?
Collecting evidence that Mars has ever offered favorable conditions for microbial life, including investigation of the role of water.
What was the 3rd rover goal?
Planetary habitability studies for future human exploration.
