Image: Maunakea by Moonlight (iotw2310a)
Description: Maunakea, the huge volcano in the background of this image, is one of the five volcanoes on the island of Hawai‘i. Maunakea is home to a number of astronomical observatories, including Gemini North, one half of the International Gemini Observatory, operated by NSF’s NOIRLab.It may not look like it, but this image was taken at night, not on a sunny afternoon as it might appear at first glance. The Moon reflects sunlight rather evenly across the visible spectrum, albeit at a brightness of only 0.3 lux — about 300,000 times fainter than the Sun. With a long exposure, moonlight can appear to illuminate scenery just as though it were a sunny day. If you look closely you might notice a few stars visible in the sky.
Title: Maunakea by Moonlight (iotw2310a)
Credit: Maunakea by Moonlight
Author: International Gemini Observatory/NOIRLab/NSF/AURA/J. Chu
Usage Terms: Creative Commons Attribution 4.0
License: CC BY 4.0
License Link: https://creativecommons.org/licenses/by/4.0
Attribution Required?: Yes
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