What is the moon's light source?
The sun
What causes seasons?
Earth's tilt
What force keeps objects in orbit?
Gravity
The sun is an average star so why is it bigger and brighter as seen from Earth...
It's closer
What is another word for revolving
Orbiting
How long does a full moon phases cycle take as viewed from Earth?
30 days
What is the shape of the Earth's orbit?
Ellipse or Elliptical
What is the name and shape of our galaxy?
Milkyway- Spiral Galaxy
Billions of stars in one place is called a...
Galaxy
Earth's satellite
The moon
At which moon phase does a lunar eclipse occur?
Full Moon
What is the name for 0 degrees latitude?
Equator
What direction do galaxies move?
Away from each other
What is the name for a "baby star"
Protostar
Another word for Jovian Planet
Gas Planet
At which moon phase(s) does a Neap tide occur?
First and Last Quarter
Which tide has the highest high tides and the lowest low tides?
Spring tides
What are the four Jovian planets?
Jupiter, Saturn, Uranus, Neptune
What makes a star?
When gravity compresses a nebula
Closest to the Sun
Perihelion
Why do we only see one side of the moon?
Rotation and revolution are at the same speed
At which season are we at perihelion?
Winter
What is the boundary of our solar system?
The Oort cloud
What elements are used in Nuclear Fusion?
Hydrogen and Helium
Degree of "ovalness"
Eccentricity