Galaxies
Our solar system is this shape
Spiral
How many phases of the moon are in 1 lunar cycle?
8
Made up of dust, ice, and gas
Comet
What causes Earth's seasons?
The Earth's tilt of the axis and revolution around the sun.
What two factors influence gravity.
Mass and Distance
Our sun is located here
Spring Tides occur during what moon phase?
Full and New
What is it called when a meteor hits earth?
Meteorite
When it is summer in the Northern Hemisphere, what season is it in the Southern Hemisphere?
Winter
If the moon were to move further from Earth, what would happen to the gravitational attraction?
Gravity would decrease.
Which galaxy is shaped like a football?
Elliptical
If a new moon occurs on April 8th, when will the next 3rd quarter moon occur?
April 29th or 3 weeks
A shooting star is considered a what?
Meteor
The two days a year that are equal in day and night are called?
Equinoxes
What is the unit of measure between galaxies?
Light Years
What angle is the Earth, moon and tides during a neap tide?
90 degree angle
When a meteor is still in space and has not entered earth's atmosphere it is called what?
Meteoroid
The longest and shortest days of the year are called?
Solstices
What two things keep the planets in orbit?
Gravity and Inertia
What holds the Milky Way galaxy together?
Gravity
Moon, it is closer.
What is an asteroid and which two planets are most located?
A rocky object between Mars and Jupiter
Why is the Arctic Circle so cold during winter?
Receives 0 sunlight.
Why do the outer planets have more moons?
Larger so they have more gravity