All the Moon Phases in 2021

While we always see the same face of the  Moon, the way it presents itself to us changes through time because its orbit is not a perfect circle. As a consequence, for a given phase of the Moon, you won't see exactly the same image through your telescope as you did a month ago.


NASA has put a tool online that allows you to preview how the Moon will look like from the Northern Hemisphere like hour by hour throughout 2021: Moon visualization simulator








And if you want to see it change phases during the year 2021, here's a video:

Looking for a telescope to observe the Moon?