earth's gravity

We still know that gravity is a gravitational force, it helps everything to be tied to the ground. However, that is just a theory. What about other explanations?

Power lines are dimmed when installed on electric poles because they are mass and attracted by the gravity of the Earth.

The rapid melting of the ice in the Arctic has caused a

Gravity (gravity) helps us to live on Earth, but it also makes it difficult to leave Earth.

NASA's OSIRIS-Rex spacecraft will be powered by Earth to reach speeds of nearly 13,700km / h and fly to a 500m high asteroid.