Earth's new 'moon': What you should know
Thursday, February 27, 2020 - 08:50
in Astronomy & Space
The Minor Planet Centre has just announced that the Earth has been orbited by a second moon for the past three years or so. But while excitement about the discovery is growing, it is important to keep in mind that this moon isn't as impressive as our main satellite. It is extremely faint—it is estimated to be only between one and six metres across—and won't be with us for much longer.