What is the number of active volcanoes in the world?

What is the number of active volcanoes in the world

Including those that are submarine or under the surface of the sea, there are about 1,343 active volcanoes in the world. Indonesia, which comprises of over 13,600 islands, has 76 historically active volcanoes, and about 80% of them erupted in the 20th century. There have been a total of 1,171 eruptions in … Read more

Which force keeps satellites circling Earth?

Which force keeps satellites circling Earth?

A satellite is any object that circles the Earth, Sun, or any other massive body. It can be classified into two: natural satellites or artificial satellites. The moon, comets, and the planets are examples of natural satellites. Artificial satellites, on the other hand, are those launched from Earth for various purposes, such … Read more