God's Great Universe
Scientist who developed the Law of Universal Gravity.
Who is Sir Isaac Newton?
The sun and all the heavenly bodies that orbit it.
What is a solar system?
The third planet from the sun.
What is earth?
This scientist popularized the Three Laws of Planetary Motion.
Who is Johannes Kepler?
The only planets with no moons.
What are Venus and Mercury?
The furthest planet from the sun.
What is Neptune?
Sun-centered universe.
What is heliocentric?
The earth completes this in 24 hours.
What is rotation?
The inner planets.
What are Mercury, Venus, Earth, and Mars?
The term for a earth-centered universe.
What is geocentric?
The amount of time is takes for a comet to complete its orbit.
What is a period?
The furthest known planet from the sun that is not considered a planet anymore.
What is Pluto?
A symetrically-shaped oval.
What is an ellipse?
The number of days in a solar year.
What are 365 1/4?
Jupiter, Saturn, Uranus and Neptune.
What are the outer planets?
Name means "wanderer"
What is planet?
How many miles are in astronomical unit?
What is 93,000,000 miles?
Every planet orbits the sun in an ellipse, with the sun as one of the foci of the ellipse and an empty point as the other.
What is Kepler's first law of planetary motion?
AU
What is an astronomical unit?
An asteroid-sized chunk of rock, dust, and ice that develops a huge, bright "tail" as it approaches the sun.
What is a comet?
The moon blocks the sun from the earth.
What is a solar eclipse?
The force of attraction that exists between any two objects.
What is gravity?
A band of comet-like objects located beyond the orbit of Neptune.
What is the Kuiper Belt?
Copernicus's discovery.
What is a sun-centered universe?
The phase of the moon displaying the most light.
What is a full moon?
The earth briefly blocks sunlight from the moon.
What is a lunar eclipse?
Isaac Newton's discovery.
What is the law of universal gravity?
What is the Kepler's third law of planetary motion?
Ptolomy's flawed discovery.
What is geocentrism or an earth-centered universe?
As a planet moves closer to the sun, it travels faster; and as it moves farther away, it slows down.
What is Kepler's third law of planetary motion?