Gravity
What does gravity do?
What is the sun?
Because the Earth rotates.
Why do we have shadows?
Shadows come from objects that block the lights.
What is a constellation?
A pattern of recognizable stars
What would happen if there was no gravity?
We would float into space.
Why is the sun bigger and brighter than other stars?
Because it is closer to Earth
it's axis
Why do stars seem to move during the night?
Where is gravity the strongest?
What do scientists use to measure the distance between stars?
light years
What is it called when different parts of the world are at different times of the day?
Time zones
Are shadows shorter or longer in the summer?
shorter
What star can we use if we got lost since it does not move?
Polaris or the North Star
How do we get meteors or shooting stars?
Earth's gravity pulls them into the atmosphere.
What is one thing that can change the apparent brightness of a star?
distance
Do we have the same number of daylight hours during the year?
No. The number of daylight hours gets shorter in the winter.
What tool do people use to tell time with shadows?
sundials
Why do constellations move with the seasons?
Because of Earth's orbit around the sun.
Do all objects have gravity?
Yes
What are the other 2 things that can change the apparent brightness of a star?
size and temperature
What time is it in Hawaii, if it is 12:00 PM in Maple Shade.
7:00 AM
Do shadows point in the same direction all over the world?
No. Shadows in the Northern Hemisphere point to the North. Shadows in the Southern Hemisphere point to the south.
Who is an astronomer?