'International dark sky association' diaporamas de présentation

Astronomy and Natural History:

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Desert Foothills Astronomy Club

607 views • 60 slides

Malcolm G. Smith IAU/AURA/IDA

470 views • 32 slides

A100 Solar System

307 views • 24 slides

International Year of Astronomy Cornerstone

International Year of Astronomy Cornerstone. Dark Skies Awareness. Connie Walker National Optical Astronomy Observatory, USA. Some slides adapted from the International Dark-Sky Association Images courtesy of The World at Night. FROM IYA Dark Skies Awareness (DSA) TASK GROUP in EUROPE.

344 views • 21 slides

Why Mauna Kea?

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GLOBE at Night: an Update and Look Ahead to IYA

GLOBE at Night: an Update and Look Ahead to IYA. Connie Walker, Doug Isbell and Stephen Pompea National Optical Astronomy Observatory (NOAO) Tucson, Arizona, USA. Urban Constellations. The GLOBE at Night Program.

344 views • 20 slides

GLOBE at Night: an Update and Look Ahead to IYA

GLOBE at Night: an Update and Look Ahead to IYA. Connie Walker, Doug Isbell and Stephen Pompea National Optical Astronomy Observatory (NOAO) Tucson, Arizona, USA. Urban Constellations. The GLOBE at Night Program.

202 views • 20 slides

Light Pollution and its Effects on the Night Sky

Light Pollution and its Effects on the Night Sky. Colin Henderson. Photo by nightskynation.com. Light Pollution Where Does It Come From?. What is Light Pollution:

392 views • 6 slides