Objects that orbit the Sun
This orbits the Sun and has a spherical shape.
What is a planet?
pg. 762
When a planets atmosphere traps solar energy.
What is the greenhouse effect?
pg. 771
Titled and moves like a rolling ball through the solar system
What is Uranus's axis and rotation?
pg. 781
Second smallest dwarf planet with three known moons.
What is Pluto?
pg. 786
Small, rocky particle that moves through space.
What is a meteoroid?
pg. 788
This is made of gas, dust, and ice that moves around the Sun.
What is a comet?
pg. 763
Reddish due to the iron oxide which causes it to rust.
What is Mars's surface?
pg. 773
This planet has 60 moons.
How many moons does Saturn have?
pg. 780
Who adopted the term "dwarf planet"
IAU adopted what term?
pg. 785
This takes less than 200 Earth years to make one orbit around the Sun.
What is a short period comet?
pg. 788
(True or False?)
Ancient Greeks called the objects in the sky planets (which means wanderers) because they thought they moved throughout the solar system.
True
pg. 761
Venus's temperatures are caused by..
What is the greenhouse effect?
pg. 771
This planets atmosphere is 1,000 kilometers deep.
How deep is the atmosphere of Jupiter?
pg. 778
This planet completes one orbit in 557 Earth years.
What is the orbit of Eris?
pg. 786
This takes more than 200 Earth years to orbit the Sun.
What is a long period comet?
pg. 788
Small, rocky objects that orbit the Sun in the asteroid belt.
What is an asteroid?
pg. 763
Planets closest to the Sun - made of rock
What is a terrestrial planet?
pg. 769
This planet has 80 percent hydrogen and 20 percent helium in its structure.
What is Jupiter's structure?
pg. 778
These two planets are smaller than Pluto.
What is MakeMake and Haumea?
pg. 786
Millions of small, rocky objects that orbit the Sun.
What is an asteroid?
pg. 763
This produces the greenhouse effect that increases the planets average temperature - with small amount of water vapor.
What is Earths atmosphere? pg. 772
12,756 kilometers in diameter.
What is the diameter of Earth?
pg. 772
Primarily made of hydrogen and helium.
What are the gas giants?
pg. 777
(True or False?)
Pluto's surface temperature is -557 degrees Celsius.
False
Pluto's surface temperature is -230 degrees Celsius.
pg. 786
Round crater formed on impact from a meteorite.
What is an impact crater?
pg. 788