Vocabulary
Largest star in our solar system that planets revolve around.
Sun
To spin around in a circle.
Revolve
To move or cause to move in a circle.
Rotate
A relatively hard , naturally occurring mineral material.
Rock
Who was the first president of the United States?
President George Washington
Large round object that circles the Earth, shines in the night by reflecting light from the sun.
Moon
Someone who studies astrology and is an expert.
Astronomer
Brightness
Luminous
Huge collection of gas, dust and billions of starts and their solar systems.
Galaxy
Who was the first man to walk on the moon?
Neil Armstrong
Something that could or not be true. Ex. what people think.
Theory
Measurement of matter in an object.
Mass
What holds us down.
Gravity
A fluid (air) that has no physical form or shape.
Gas
Where does the U.S. launch rockets or space shuttles from?
Cape Canaveral Space Force Station in Florida
The amount of time it takes light to travel from the sun to its destination in one years time.
Light Year
A collection of everything in space.
Universe
Our galaxy that contains our solar system.
Milky Way
The rapid expansion of matter that formed the universe.
Big Bang
Name all the planets in order.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
A region of space having such a gravitational field that nothing escapes.
Black Hole
A violent explosion that occurs when a star runs out of fuel and collapses.
Supernova
Classification of a star smaller than a red giant.
Yellow Dwarf
A very large star of bright luminosity. Ex. Sun.
Red Giant
Which planet spins the opposite way of most of the other planets?
Venus