Astronomers
Solar System
Planet Earth
Seasons
Mystery??
100
Ptolemy's idea of the Solar System
What is the Geocentric model, Earth in the center
100
Causes objects in our Solar System to stay in orbit
What is the Sun's gravity?
100
This causes a 24 hour day..
What is the Earth's Rotation?
100
Word for equal daylight and equal night time..
What is an Equinox?
100
Every 26,000 years the Earth's axis _____________
as a part of presession.
What is wobbles?
200
Discovered the Heliocentric model
Who is Copernicus?
200
A measurement used between stars.
What is a light year?
200
If it is summer in the Northern Hemisphere, then the Southern Hemisphere has...
What is Winter?
200
The season in the diagram in the Northern Hemisphere..
What is summer?
200
Main difference between meteoroids and asteroids..
What is size? Asteroids are much bigger..
300
Galileo proved this to be true and agreed
What was Copericus's Heliocentric model?
300
The correct order of planets from closest to the sun..
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune?
300
The length of the Moon's orbit..
What is one month or approximately 28 days?
300
The longest and shortest days of the year..
What is the Summer Solstice June 21st and the Winter Solstice December 21?
300
Label the below diagram with the correct 2 hemispheres and dividing line.
What are the Northern and Southern Hemispheres divided by the Equator?
400
The invention of the telescope helped spot the asteroid belt between what 2 planets,,
What is between Mars and Jupiter
400
Used to measure distance between the Earth and the Sun within our Solar System..
What is an Astronomical Unit or AU?
400
One Earth Revolution is equal to....
____ year, _____ months _____ days
What is 1 year, 12 month's, or 365.25 days?
400
The season in the Northern Hemisphere when the Earth is at the top of the diagram...
What is Spring?
400
Label the correct 2 hemispheres and dividing line based on the diagram below..
What are the Eastern and Western Hemispheres divided by the Prime Meridian?
500
Kepler discovered this, and wrote it as the Law of Planetary Motion...
What are elliptical orbits?
500
The 6 biggest groups of objects in our Solar System
What are the Sun, the Planets, Asteroids, Meteoroids, Comets, and Moons?
500
Place where there is the least temperature difference on Earth..
What is the Equator?
500
The reason the Earth has Seasonal changes...
What ?s because the Earth is tilted and pointed towards and away from the sun at different times during the year or orbit.
500
The Earth would not see any seasonal changes if....
What is the Earth's axis not being tilted and straight up and down through the poles?