What is latitude line does the Sun's vertical rays strike on the equinox?
100
Where you have to be to view a total solar eclipse
What is umbra?
100
The kinectic energy increases
What is the transformation of energy as the planet gets closer to the Sun.
200
Kepler explained apparent changes in diameter and brightness with...
What is elliptical orbits?
200
The radius of the Sun
What is 696,000 Km?
200
June 21st at the North pole.
What is the day that the north pole gets 24 hours of daylight?
200
The earth is in the center.
What is the Geocentric model of the universe?
200
Zero
What is the eccentricity of a circle
300
The apparent backwards motion of a planet
What is retrograde motion?
300
The luminosity and temperature of Sirius.
What is 10 and 9000 degrees?
300
23.5
how many degrees does the sun's vertical rays migrate per season/
300
The apparent daily motion of the stars.
What is 15 degrees per hour from east to west?
300
Ecliptic
What is the apparent path of the sun?
400
Give two reasons why earth's period of revolution is shorter than Jupiter.
What are the earth is closer to the Sun, so it moves faster, the earth is closer to the Sun so the gravitational pull is stronger. The orbit is a smaller distance.
400
Red
What is longest wavelength in the visible spectrum?
400
June 21st is longer day than Dec21st
What is the arc is longer and higher?
400
Kepler determined the sun was one of these.
What is a focal point?
400
Tilt
What is the chief cause of the seasons?
500
Equal areas in equal periods of time.
What is Kepler's second law?
500
The length of the major axis is 6.
The distance between the focal points is .2
What is .03 eccentricity
500
24.5
What is the altitude of the noon sun at 42 degrees North on Dec21st?
500
Copernicus made a mistake.
What is his orbits were circular?
500
The vertical rays of the sun are over the equator the next day they will be north of the equator.