Discoveries in Astronomy
Forces in Creation
The Planets
Comets
Miscellaneous
100
According to the ancient Greeks, this was the center around which planetary motion revolved.
What is the earth?
100
The four fundamental forces in creation.
What are gravitational, electromagnetic, weak, and strong forces?
100
The four outer planets in order from closest to farthest from the sun.
What are Jupiter, Saturn, Uranus, and Neptune?
100
Describe the shape of a comet's orbit.
What is elliptical?
100
The reason an asteriod becomes a meteor.
What is perturbations in its orbit?
200
For centuries, comets were considered to be this.
What is evil?
200
The weakest of the fundamental forces.
What is the gravitational force?
200
The planet which receives the least amount of insolation.
What is Neptune?
200
Name the parts of a comet that come and go during's a comet's orbit.
What are the coma and the tail?
200
Most asteriods orbit between these two planets.
What are Mars and Jupiter?
300
Copernicus published a book suggesting this was the center of the universe, not the earth.
What is the sun?
300
The strongest of the fundamental forces.
What is the strong force?
300

The planet that receives the greatest amount of solar insolation.

What is Mercury?

300
It is believed to be the source of short-term comets.
What is the Kuiper Belt?
300
A larger centripetal force, at a given speed, will do this to a circle of motion.
What is make it smaller?
400
According to Einstein's General Theory of Relativity, this is the cause of gravitational force.
What is bending of space (and time :)?
400
The force necessary for an object to move in a circle.
What is centripetal force?
400
Name three planets that have planetary rings.
What are Jupiter, Saturn, Uranus, and/or Neptune?
400
Name the permanent part of a comet.
What is the nucleus?
400
A larger centripetal force will affect the speed of an object traveling in a circle of a given size in this way.
What is make it go faster?
500
Massive objects might be attacted to one another because they exchange these.
What are gravitons?
500
The "fake" force that results from a poor physical analysis of certain situations.
What is centrifugal force?
500
It is the force that causes each of the planets to travel around the sun in a nearly circular orbit. It acts like a centripetal force.
What is the gravitational force?
500
The time it takes for a comet to orbit the sun.
What is its period?
500
Centrifugal force is an example of which of Newton's Laws of Motion.
What is Newton's First Law or the Inertia Law?
M
e
n
u