Public domain
EXPERIMENT - APOLLO 16 (UV)
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
S72-40820 (21 April 1972) --- A color enhancement of a photograph taken on ultra-violet light showing the spectrum of the upper atmosphere of Earth and geocorona. The bright horizontal line is far ultra-violet emission (1216 angstrom) of hydrogen extending 10 degrees (40,000 miles) either side of Earth. The knobby vertical line shows several ultra-violet emissions from Earth's sunlit atmosphere, each "lump" being produced by one type gas (oxygen, nitrogen, helium, etc.).
NASA Image and Video Library’s own descriptionCredit lineEXPERIMENT - APOLLO 16 (UV). NASA/JSC, 1972-06-06. Public domain. ID: S72-40820.
