Rotation vs. Revolution
This takes place every 24 hours.
What is Earth's Rotation?
Main causes for the seasons.
It takes this long for the moon to revolve completely around the Earth.
What is 29 days or about a month?
This keeps the Earth and moon in their orbits.
What is "gravity"?
Object for scientist to see distant galaxies.
What is a telescope?
A complete trip along an orbit.
What is a revolution?
What is the equator?
When the moon appears to grow it is...
What is waxing?
Substance that has to be found in all three states of matter for life to take place on a planet.
What is water?
Unmanned object that can travel to planets and collect information.
What is a space probe?
The Earth takes this long to revolve around the sun.
What is 365 1/4 days?
When the Earth is neither tilted toward or away from the Sun.
What is an equinox?
During this phase of the moon, we can see no light from the moon.
What is a "new moon"?
Location within a solar system where a planet could possibly sustain life.
What is the goldilocks zone/habitable zone?
Manned object that can take astronauts into outer space.
What is a space shuttle?
The shape of Earth's orbit around the Sun.
What is an ellipse?
When the Northern Hemisphere experiences summer the Southern Hemisphere experiences...
What is winter?
During this process, the moon moves through the Earth's shadow, and cannot be seen for a short time.
What is a "lunar eclipse"?
A planet with too much mass would then result in a higher...
What is gravitational force?
NASA's mission to visit the moon.
What is Project Apollo?
The imaginary line the Earth rotates around.
What is the axis?
The hemisphere receiving the most direct sunlight would have this season.
What is summer?
When the Earth-Sun-Moon are in a straight line, you will experience this at the beach.
What is spring tides?
Planet that has evidence of former life.
What is Mars?
Place currently occupied by astronauts testing the effects of microgravity.
What is the International Space Station (ISS)?