Earth Properties

• ​Spherical shape

• ​Aristotle believed the Earth was round because of the shadow cast on the Moon during a lunar eclipse. (circa 350 B.C.)

• ​Earth bulges slightly at the equator & is somewhat flattened at the poles

​Earth rotation

• ​Earth's rotation or Earth's spin is the rotation of planet Earth around its own axis, as well as changes in the orientation of the rotation axis in space. Earth rotates eastward, in prograde motion. As viewed from the north pole star Polaris, Earth turns counterclockwise.

​Bumi dalam Dinamika Gerak

​Analisis

​Kecepatan Boeing 747-400 dengan livery Garuda Indonesia = 909 km/jam

​Berapa perbandingan kecepatan pesawat tsb dengan kecepatan rotasi bumi?

​Silahkan mengerjakan Kuis