Outer Space

What is Earth’s Escape Velocity?

What is Earth’s Escape Velocity?

The escape velocity of Earth (11.186 km/s) is the speed at which a free object must travel to escape into space from the planet’s gravitational pull.

Why Do We Have Seasons?

Why Do We Have Seasons?

Because the Earth is tilted on its axis, it’s why we have seasons. When Earth receives more sunlight on one side, it’s summer. And vice versa for winter.

How Far Is the Moon?

How Far Is the Moon?

The moon is approximately 238,855 miles (384,400 km) away from the Earth. It’s such a big gap that you can almost fit all the 7 other planets in between.

Earth Rotation: The Day-Night Boundary

Earth Rotation: The Day-Night Boundary

As the Earth spins, the sun always shines on one side which gives it sunlight. When you’re facing the sun, it’s daytime. But when you’re not, it’s night.