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The Sun
Mercury
Venus
Earth
Mars
100
all planets revolve around the sun
What does heliocentric mean?
100
terrestrial planet
Is Mercury a terrestrial planet or a gas giant?
100
True, Venus is hotter
What is the hottest planet in the solar system?
100
Iron and Nickel
What is the Earth's core made of?
100
95%
What is the percentage of carbon dioxide on Mars's atmosphere?
200
True, the radiation zone is closer to the core
True or False, the radiation zone is closer to the core?
200
False, Mercury has no atmosphere
True or False, Mercury has carbon dioxide in its atmosphere?
200
The trapping of greenhouse gases and the reason why Venus is the hottest planet
What is the greenhouse effect and how does it affect the planet?
200
70%
What is the percentage of the Earth is covered with water?
200
Phobos and Deimos
What are the names of Mars's moons?
300
nuclear fusion
What is the process of when hydrogen atoms form helium?
300
Its mass
What affects Mercury's atmosphere?
300
460 degrees Celsius
What is the surface temperature of Venus?
300
The atmosphere has oxygen
What makes Earth's atmosphere different from other planets
300
Olympus Mons
What is the largest volcano in the solar system?
400
Medium star
Is the sun a medium star or large star?
400
2009
Two missions to Mercury on what year?
400
Yes
Is Venus's atmosphere pressure greater than Earth
400
20%
What percentage of oxygen is in the atmosphere?
400
True , Mars has seasons
True or False, Mars has seasons
500
When the moon blocks out the sun to reveal the sun's corona
What is a solar eclipse?
500
Mariner 10
What probe provided such useful info about mercury?
500
Maat Mons
What is the name of the largest volcano on Venus?
500
1 AU
What is the distance from the sun and the Earth?
500
Spirit and Opportunity
What two probes landed on Mars?