2014 Science Breakthrough of the Year: Rosetta Spacecraft
10 Historical Perspectives
Displacing the Earth from the Center of the Universe
For Grades: 6-8
Learning Goal 2
Telescopes reveal that there are many more stars in the night sky than are evident to the unaided eye, the surface of the moon has many craters and mountains, the sun has dark spots, and Jupiter and some other planets have their own moons.