作者: S. N. Ghosh
DOI: 10.1007/978-94-017-0071-9_5
关键词: Atmosphere 、 Galaxy 、 Luminescence 、 Astronomy 、 Solar zenith angle 、 Physics 、 Zodiac 、 Stars 、 Airglow 、 Cosmic distance ladder
摘要: Airglowln a dark moonless night away from city light, certain amount of light is observed to come space whereby big letters can be read. Excluding stars, zodiac, galaxies and that scattered by the atmosphere, it remaining which about 40%, produced self luminescence atmosphere. This called airglow. It estimated equal on surface placed normally rays standard candle at distance 57 meters.