دانلود کتاب 2021 Australasian Sky Guide

Compact, easy to use and reliable, this popular guide by well-known astronomer and author Dr Nick Lomb has been providing stargazers with everything they need to know about the southern night sky for over 30 years. The 2021 guide contains the latest information and clear explanations on the solar system, a historical astronomy feature, monthly sky maps, viewing tips and highlights for city dwellers, and details of the year's exciting celestial events.

Wherever you are in Australia or New Zealand, easy calculations allow you to estimate local rise and set times for the Sun, Moon and planets. The 2021 Australasian Sky Guide also provides information on the solar system, updated with the latest findings from space probes.

Published annually, the Sky Guide continues to be a favourite with photographers, event planners, sports organisers, teachers, students — and anyone who looks up at the stars and wants to know more.

Highlights for 2021:

• Venus close to Saturn and Jupiter February

• Supermoons in April and May

• Moon covers Venus in May

• Venus close to Mercury in May

• Venus close to Mars in July

• Partial eclipse of the Moon in November

• Partial eclipse of the Sun in December