The two innermost planets, Venus and Mercury, will shine together low in the western sky at sunset on March 10. Here's how to get the best view before they disappear.

Forbes contributors publish independent expert analyses and insights. Jamie Carter is an award-winning reporter who covers the night sky.

‘Red sky at night, shepherd’s delight – red sky in the morning, sailor's warning.’ So the saying goes – but why? This occurs when the weather predominantly comes from the west, as it does in Britain.