The first space telescope that went to space with camera named for a famous astronaut (Edward Hubble) used to study space elements
Italian astronomer and mathematician who was the first to use a telescope to study the stars.
rotation vs. revolution
Planets revolve around the sun
The moons revolve around planets
the planet rotates on an axis
Earth has seasons because because its axis is tilted as it moves around the sun.
The reason we have day and night is because the earth rotates on its Axis
When the sun, moon, and earth line up
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.
NEW! Voice Recording
Click the mic to start.