Unit 4 AStronomy: the science of the stars
Astronomy: the science of the stars Unit 4
What is Astronomy? Astronomy is the scientific study of the universe and the heaven bodies (such as the sun, the moon, and stars)
Astronomy is the scientific study of the universe and the heaven bodies (such as the sun, the moon, and stars). What is Astronomy?
The solar System visiL planetarium Renee o' Connor 's comet ROCworld conr 22 October 2003 by petrenko
In our solar system eight planets circle around the sun. The Solar System
Saturn Jupiter Neptune Uranus Venus Earth Mercury Mars visiL planetarium Renee o' Connor 's comet ROCworld conr 22 October 2003 by petrenko
In our solar system eight planets circle around the sun. 1111
Total lunar eclipse (月全食)
Total lunar eclipse (月全食）
Total solar eclipse(日全食)
Total solar eclipse (日全食)
Meteor rain(流星雨)
Meteor rain（流星雨）
Comet(彗星)
Comet (彗星)
