老巫婆 发表于 2025-3-30 11:22:07

https://doi.org/10.1007/978-3-663-05349-1August and September are arguably the most joyous months for observers based in the British Isles, and many more countries besides. The return of dark skies after the twilight of summer, coupled with clement night time temperatures, conspire to create near ideal conditions for sky gazers—whether novice or veteran.

Notorious 发表于 2025-3-30 14:13:54

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reserve 发表于 2025-3-30 19:47:46

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ANT 发表于 2025-3-31 00:01:43

A Study of EclipsesFor the vast majority of human history, the sight of a solar eclipse must have filled souls with wonder and terror in equal measure. The temperature drops, ole Aeolus stirs up strange breezes, the birds refrain from their song and many other animals either flee or cower in their dens.

hemophilia 发表于 2025-3-31 03:06:51

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查看完整版本: Titlebook: Grab ‘n‘ Go Astronomy; Neil English Book 2014 Springer Science+Business Media New York 2014 Astronomical equipment.Astronomy on a budget.O