NSS Objects in the sky have patterns of movement. Explains the relationship of the sun, planets, and moon - Systems and Interactions Describes the sun as a star and explains its effect on Earth. Benchmarks Things on or near the earth are pulled toward it by the earth's gravity. Systems and Interactions Benchmarks Telescopes magnify the appearance of some distant objects in the sky, including the moon and the planets. The number of stars that can be seen through telescopes is dramatically greater than can be seen by the unaided eye.
Planets change their positions against the background of stars.
The earth is one several planets that orbit the sun, and the moon orbits around the earth. Like all planets and stars, the earth is approximately spherical in shape. To people on earth, this turning of the planet makes is seem as though the sun, moon, planets, and stars are orbiting the earth once a day. Systems and Interactions Benchmarks Telescopes magnify the appearance of some distant objects in the sky, including the moon and the planets. The number of stars that can be seen through telescopes is dramatically greater than can be seen by the unaided eye.