What if the other Solar System planets were the same distance from Earth as the Moon? At best, a night sky with one or more planets at the Moon’s distance would look very different. At worst, either the other planet or Earth – or both –
Cassiopeia’s Dark-sky Royalty
Many amateur astronomers think that Cassiopeia is a rather barren constellation, and perhaps compared to its more glitzy neighbours it is. For example, nearby Perseus has the stunning and famous ‘Double Cluster’ of NGC 869 and NGC 884, Taurus has it
