Movement
Stars
Appearing as fixed luminous points in the sky at night
Winter
Spring
Fall
Summer
What is a pattern of starts called?
Constellations
Horizon
What is Revolution?
The movement of one object around another.
What is rotation?
The spinning of an object around its axis.
Why do constellations appear to move across the sky?
As Earth revolves around the sun, different constellations appear to move as well.
Axis
Imaginary line
What is orbit?
The curved path of a space object or spacecraft around a star, planet, or moon
Moon
The natural satellite of the earth, visible (chiefly at night) by reflected light from the sun
How is it possible that a dim star can appear brighter than a bright star?
If a dim star is closer to Earth than a brighter star, the dim star can look brighter.
Half of the Earth.
Hempshpere
Sun
The star that is the central body of the earth's solar system
Explain the relationship between the motion of Earth and the apparent movement of the stars.
As Earth rotates, stars appear to move across the sky. Constellations appear to move because of Earth's revolution around the sun.
Name one constellation.
Orion
What causes the pattern of day and night that we observe on Earth?
The pattern of day and night that we observe on Earth is caused by Earth's movement.
Difference between rotation and revolution.
Rotation is the spinning of an object on its axis. Revolution is is the movement of one object around another.