Monthly Archives: February 2018

Q: How hard would it be to keep the Moon from drifting away?

Physicist: Almost prohibitively! Ever since the Moon entered the scene 4.5 billion years ago, it’s been slowly drifting away.  Initially it was around 15 times closer and bigger across in the sky.  The effects that push it away decrease rapidly … Continue reading

Posted in -- By the Physicist, Astronomy, Engineering, Physics | 7 Comments