Comparing Earth and Venus
Observe the motions of Venus and Earth as the planets move around the Sun. Measure the length of a day and a year on Earth and Venus, and compare the length of a solar day to the length of a sidereal day.
Launch GizmoComparing Earth and Venus
Observe the motions of Venus and Earth as the planets move around the Sun. Measure the length of a day and a year on Earth and Venus, and compare the length of a solar day to the length of a sidereal day.
5 Minute Preview
Use for 5 minutes a day.