When the earth is between the sun and the moon its shadow prevents the light from the sun from hitting the moon.
What is lunar eclipse
200
The shape of a planet's orbit
What is elliptical
200
Collection of solar systems
What is galaxy
300
Earth's tilt
What is axis
300
Steepness
What is gradient
300
Changes in the height of the water levels on Earth caused by the moon
What is tides
300
Denser planets made of rock
What is terrestrial
300
Evidence of the Big Bang theory that suggests all objects in space are moving away from us
What is redshift
400
Evidence of Earth's rotation - causes winds to bend
What is Coriolis Effect
400
Tells you how far east and west you are in the world
What is longitude
400
The moon has the _______ period of rotation and revolution, which causes ________
What is same / the same side to always be seen from Earth
400
The pulling toward the center of the planet. Keeps planets in orbit around the Sun
What is gravity
400
Latitude = altitude to ________. Where is this star located?
What is Polaris / directly above the North Pole
500
All planets go around the sun and another point to form their elliptical orbits. In order to calculate eccentricity, you measure the distance between these two points. What is the name of these points?
What is foci
500
These maps tell you about the elevation of a location
What is topographic maps
500
How long does a full cycle of moon phases take to complete?
What is 29.5 days
500
When two planets in space are massive and close together there will be what kind of attraction?
What is "stronger"
500
ESRT: Which phase of a star's life cycle is Polaris in?