The Sun
Inner Planets
Outer Planets
Comets, Asteroids, and Meteors
Extra Astronomy Review
100
Where the sun's energy is produced.
What is the core?
100
These are the 4 inner planets, in order distance (closest to farthest) from the sun.
What are Mercury, Venus, Earth, and Mars.
100
This is the largest planet in the solar system.
What is Jupiter.
100
The ring of objects that orbits the sun between Mars and Jupiter is called this.
What is the asteroid belt.
100
The distance between the Earth and the sun is just one of these.
What is an AU (Astronomical Unit)?
200
How the sun produces its energy.
What is nuclear fusion?
200
This is another name for the inner planets, and it means that they have rocky surfaces and a structure similar to that of Earth.
What is terrestrial.
200
Another name for the outer planets, this term refers to what they are primarily made from.
What is Gas Giant.
200
Four out of the five dwarf planets are located within this area of the solar system.
What is the Kuiper Belt.
200
Objects in the solar system that are too small to be planets, but too big to be asteroids are considered to be one of these.
What are dwarf planets.
300
The layer of the sun that produces visible light.
What is the photosphere.
300
We would not survive on Venus because it's atmosphere is mostly made of this highly toxic substance.
What is sulfuric acid.
300
Saturn's rings are primarily made of these two substances.
What are ice and rock.
300
This is the number of asteroids that scientists have been able to see and identify.
What is 7,000.
300
This is why Pluto is now considered a dwarf planet.
What is sharing an orbit with other objects.
400
Three features found in or on the surface of the sun.
What are sun spots, solar flares, and prominences?
400
This planet rotates from East to West, unlike the other planets in the solar system.
What is Venus.
400
Jupiter's "Great Red Spot" is actually this phenomenon.
What is a large storm.
400
This is the name for the outer sphere of the solar system that is made up of comets.
What is the Oort Cloud.
400
An object made of rock or dust that enters Earth's atmosphere, this will generally burn up before reaching Earth's surface.
What is a meteor.
500
These are caused by solar winds that reach Earth's atmosphere.
What are the Northern Lights or the Aurora?
500
It takes six months for a rocket to travel to this planet from Earth.
What is Mars.
500
This is the gas that makes Neptune and Uranus appear blue in color.
What is methane.
500
This solar system object is made of dust, ice, and rock particles.
What is a comet.
500
This object is considered both an asteroid and a dwarf planet, and it is the closest dwarf planet to Earth.
What is Ceres.
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