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An astronaut aboard theInternational Space Station(ISS ) has captured a arresting pic of a crescent lunar month aboveEarthas the last light of the setting Lord’s Day shines through the different layers of the ambience .
The photograph was exact Dec. 6 , 2021 , by an unidentified member of the Expedition 66 crew — a group of seven astronaut fromNASA , theEuropean Space Agency , the Japan Aerospace Exploration Agency and Russia ’s State Space Corporation , Roscosmos . The image was contain using a digital tv camera as the ISS passed over the Pacific Ocean east of New Zealand at an altitude of around 262 miles ( 422 kilometer ) .
Astronaut photograph ISS066-E-86969 taken aboard the ISS on Dec. 6, 2021.
NASA ’s Earth Observatory released the photograph on Dec. 31 , 2021 . " This prospect offers a symbolic ending to the year 2021 and a look toward NASA ’s next goal for human - crewed geographic expedition , " Earth Observatory representatives say in astatement .
refer : Landsat satellites : 12 amazing images of Earth from space
The photo have a multicolored orbital sunset that fades from orange near Earth ’s surface to drear blue at the boundary of quad . The different color belong to the first four layers of the atmosphere : the troposphere , between zero and 7.5 miles ( 12 km ) ; the stratosphere , between 7.5 and 31 miles ( 50 kilometer ) ; the mesosphere , between 31 and 50 mi ( 80 klick ) ; and the thermosphere , between 50 and 440 miles ( 700 km),according to NASA .
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The different colors are the result of a phenomenon love as Rayleigh scattering , distinguish after the 19th - century British physicist Lord Rayleigh . In this summons , electromagnetic radiation , such asvisible light , is scattered by corpuscle small than its wavelength , such as air travel molecule . ( What we see is the light of those scatter wavelength . ) Each layer of the ambiance has a different tightness of gas molecule , meaning the scattered light is a different color in each of those layers .
earlier publish on Live Science .
