BBC Sky at Night Magazine - April 2018

この問題で

TOUCHED BY GENIUS
A tribute to John Wall, inventor of the Crayford
Focuser, who died in January, WHEN ICE ERUPTS
How ice volcanoes in our Solar System may
provide clues to finding inhabited environments...

BBC Sky at Night Magazine Description:

Complementing the much-loved BBC television programme, Sky at Night Magazine is your practical guide to astronomy. Each issue features columns by renowned experts such as Sir Patrick Moore as well as in-depth cosmological features, practical observing tutorials, comprehensive equipment reviews, astrophotography master classes and much, much more. And with easy-to follow star charts and expert advice on how to get the most out of the observing month, Sky at Night Magazine is essential reading for both the novice and experienced astronomer.