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Earth,Moon, and Sun
Universe
Inner Planets
Outer Planets
Other
100
Moon
What is the object orbiting the Earth?
100
Galaxy
What is a collection of billions of star systems?
100
Earth
What planet do we live on?
100
Gas Giants
What is the nickname for the large outer planets?
100
The Asteroid Belt
What is located between Mars and Jupiter?
200
8
How many major phases of the moon are there?
200
A star system in which one star periodically blocks the light from another.
What is an eclipsing binary?
200
Terrestrial planets
What is the nickname for inner planets?
200
Jupiter
What is the largest planet?
200
A diagram that classifies stars according to temperature and brightness.
What is a Hertsprung-Russel Diagram?
300
A tide with little difference between low and high tides.
What is a Neap Tide?
300
The 9.5 trillion km distance used to measure distances in space.
What is a light year?
300
Chunks of ice and dust whose orbits with long and narrow eclipses.
What are comets?
300
The attractive force between two objects, its magnitude depends on their masses and the distance between them.
What is Gravity?
300
An elongated circle or oval shape.
What is an ellipse?
400
A large space rock that burns up in Earth's atmosphere.
What is a Meteor?
400
The theory that the universe originated in a huge explosion 20 billion years ago.
What is the big bang theory?
400
A system where Earth and the other planets revolve around the sun.
What is a heliocentric system?
400
Pluto
Which planet is different from the other Gas Giants?
400
The spinning motion of planets about an axis.
What is rotation?
500
Solstice
What is one of two times a year when the sun is at its greatest distance from the Earth's equator?
500
Quasar
What is the bright center at the center of distant glaxies?
500
Mars
What planet is considered most similar to Earth?
500
Saturn
Which planet is known for its rings?
500
A black hole
What is a mass that has collapsed to to its great density that prevents light from escaping?