Do Now: Open this site in a new window (right click on the link and
then select "Open in New Window"):
moon phases |
Polaris (The North Star)
Click HERE to read about the important positioning of Polaris in our night sky.
Why is Polaris an unusual star? ________________________________________
APPARENT MOTION - STAR TRAILS Using time-lapse photography to prove the rotation of the earth. Follow the links below to see images of this phenomenon:
After viewing these images, can you explain this phenomenon? What appears to be moving - the stars or the Earth? What is actually moving? ________________________________________
LUNAR ECLIPSE
Click HERE to see a unique view of last week's lunar eclipse, then click HERE to find out what causes a lunar eclipse (click on "NEXT" to start tutorial).
Why does the moon turn red during a solar eclipse? If the moon revolves around the Earth once each month, why doesn't a lunar eclipse occur every month? ________________________________________