Earth and Universe: The Earth

The video tutorial explores Earth's characteristics, including its rotation around the Sun, position in the solar system, and distance from the Sun. It describes Earth's shape, highlighting the differences between the equatorial and polar radii. The tutorial also covers Earth's volume, mass, and density, comparing it to other inner planets. Finally, it provides insights into differentiating Earth from other planets in the galaxy.

How long does it take for the Earth to complete one rotation around the Sun?

• 30 days

• 24 hours

• 12 months

• 365.25 days

Which planets are located closest to Earth in the solar system?

• Mercury and Venus

• Venus and Mars

• Mars and Jupiter

• Jupiter and Saturn

What is the shape of the Earth?

• Perfect sphere

• Cube

• Flat disc

• Spherical with polar flattening

How much larger is the Earth's equatorial radius compared to its polar radius?

• 100 kilometers

• 50 kilometers

• 22 kilometers

• 10 kilometers

What is the mass of the Earth?

• 4.5 * 10^24 kilograms

• 5.9 * 10^24 kilograms

• 6.5 * 10^24 kilograms

• 7.2 * 10^24 kilograms