How far from the Earth to the Sun – the Astronomical Unit
Next year is the 250th anniversary of James Cook's voyage to the Pacific Ocean. One the things he did was contribute to a more accurate calculation of the distance between the Earth and the Sun by observing the transit of Venus.
103 years ago today, New Zealand and Australian troops landed at Gallipoli in World War 1. We have a look at what the night sky may have looked like in the early hours before the landings on 25th April 1915.