May's full 'Flower Moon' will light up the sky on Friday 1 May

The Moon's monthly orbit around Earth is slightly elliptical rather than circular, which means its distance from us varies and so not all full Moons are the same. When this year's Flower Moon becomes full it will be close to its maximum distance from Earth - a point known as apogee. That means this year's Flower Moon will appear slightly smaller than usual because it is at the farthest point from Earth in its orbit - roughly 406,000km (252,000 miles) away. …