BBC Sky at Night

DON'T MISS Partial lunar eclipse

BEST TIME TO SEE: 28 October, from 19:02 BST (18:02 UT) until 23:26 BST (22:26 UT)

The Moon passes into Earth’s shadow on 28 October, creating a lunar eclipse. This will be an interesting event because the Moon will graze the northern edge of the darkest portion of the shadow. This results in a small ‘bite’ appearing to be taken out of the Moon’s southern edge.

From Earth, the Sun has an apparent size around half-adegree. In other words, it’s an extended rather than a point-source of light. The consequence of this is that from the

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