Show:
Stars
Moon
Sun
Earth
Universe
100
Brightness , Temperature , and Age
What does a star's color indicates ?
100
What moon phase occurs when the Moon is on the same side of Earth as the Sun ?
What is New Moon ?
100
Eclipse of the Sun
What is the moon blocks the Sun's light from reaching Earth ?
100
-tilt of Earth's rotational axis away or toward the sun as it travels through it's year-long path around the sun.
What is the cause of seasons ?
100
The force every object in the universe exerts on every other object in the universe _________.
What is gravity ?
200
How long a star lives depends on it's ______.
What is mass ?
200
Gravitational pull of the moon's surface
What is the cause of tides ?
200
The sun like all other stars because of it's _____.
What is size ?
200
Planet closet size to Earth-
What is Venus ?
200
________ is used to measure distances in space.
What is light - year ?
300
This occurs when Earth is in a direct line between the Sun and the Moon.
What is a lunar eclipse ?
300
Describe a lunar eclipse.
What is Earth blocks sunlight from reaching the moon.
300
How long is Earth's rotation on it's axis ?
What is 24-Hours ?
300
Astronomers use special units to describe distances in space called ___ .
What is light-year ?
400
This is the relationship between the tides on Earth and the phase of the Moon.
What is the changing relations of the sun , moon , and Earth ?
400
_____________ is the very center of Earth.
What is the inner core ?
400
All of the planets, the Sun, and Earth mke up our ___ .
What is solar system ?
500
This layer of Earth contains oceans.
What is the troposphere ?