Show:
Scientists
The Sun
The Moon
Planets
Heavenly Bodies
100
He was the first to create a model of the universe, though he placed the Earth at the center.
Who is Ptolemy?
100
The dark spots on the sun that are cooler than surrounding areas.
What are sun spots?
100
The way the moon is "connected" to the Earth.
What is gravitational attraction (gravity)?
100
The only planet in the solar system that supports life.
What is the Earth?
100
A group of stars that form a shape in the sky.
What is constellation?
200
He is the man who first proposed the heliocentric model of the universe, but is not given the credit.
Who is Aristarchus?
200
The type of heavenly body we call our "sun"
What is a star?
200
The moon's pull on the Earth causes these to be high and low, depending on the position of the two spheres.
What are tides?
200
The largest of the gas giants, which has a big red spot.
What is Jupiter?
200
A large chunk of icy rock that has an apparent tail.
What is a comet?
300
He is the man given the credit for suggesting the heliocentric model of the universe.
Who is Copernicus?
300
The electrically charged particles from the sun's corona that are flowing out into space in all directions.
What is solar wind?
300
The term for the shadow cast on the moon when the Earth comes between the sun and the moon.
What is a lunar eclipse?
300
The fourth terrestrial planet from the sun, dubbed the red planet.
What is Mars?
300
Any of the small rocky bodies revolving around the sun; they make up the belt between the inner and outer planets.
What are asteroids?
400
He confirmed the heliocentric model of the Universe using his high powered telescope.
Who is Galileo?
400
The gas the sun uses to produce energy.
What is hydrogen?
400
The circular shaped patterns on the moon's surface that speak to its age.
What are craters?
400
The four planets in our solar system with rings.
What are all gas giants: Jupiter, Saturn, Uranus, and Neptune?
400
Another name for a shooting star, or the small body of matter from outer space that enters Earth's atmosphere.
What is a meteor?
500
He invented the worlds largest telescope and was able to determine that the universe is expanding.
Who is Edwin Hubble?
500
The idea that the sun is at the center of our solar system.
What is heliocentricity?
500
The dark spots of the moon, which scientists originally believed were water.
What are Maria?
500
Plutos' very large moon, which might be considered a double planet, along with Pluto.
What is Charon?
500
The heavenly body now being considered as a dwarf planet.
What is Pluto?