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History
Matter in Space
Solar System
Position in the Sky
100
This is why ancient civilizations were so interested in the skies.
What is myths, folklore, crop planting or harvesting, etc?
100
This is the units used to measure distances within our solar system.
What is astronomical units?
100
This is the largest planet.
What is Jupiter?
100
This is the point in the Earth's orbit of the Sun where the number of daylight and nighttime hours are equal.
What is the equinox?
200
This is the model of the universe that had the Earth at the center.
What is geocentric?
200
Stars are born in these interstellar clouds of dust and gas.
What is a nebula?
200
When the Greeks first described the planets moving through the sky in erratic patterns, they used this word.
What is wanderer?
200
When measuring a star's position in the sky, we need to know how high it is above the horizon. We use this measurement to record the star's height.
What is altitude?
300
This is the shape of the orbits of the planets that Kepler determined using mathematics.
What are ellipses?
300
Stars in a stable state get their energy from this reaction.
What is the nuclear reaction to fuse hydrogen into helium?
300
The Jovian planets all have this in common.
What is they are gas giants, made up of mostly hydrogen and helium?
300
This is the highest point directly overhead.
What is zenith?
400
This is the reason why the Earth has seasons.
What is the axial tilt?
400
When a star starts to run out of fuel, the core shrinks, and the outer layers of the star expand. This is known as ...
What is a red giant or red supergiant?
400
These are small pieces of rock that have entered the Earth's atmosphere and are actually what we call "shooting stars".
What is meteors?
400
These are unofficially recognized patterns in the stars, such as the Seven Sisters- Pleiades.
What are asterisms?