Tag: Questions about planet earth
How old is the Earth?
If you are wondering how old the Earth is, the estimated age of the Earth is around 4.54 billion years old give or take a few million years. This age is based on a combination of evidence, including the age of the oldest-known rocks, the age of lunar samples brought back by Apollo missions, and … continue reading.
How fast does the Earth spin?
It’s strange to think that Earth the planet we are living on is continually spinning 24 hours a day, 7 days a week and 365 days a year as it orbits the Sun. One full orbit of the Sun takes a full year and and is the basis for the formation of our calendar. It … continue reading.