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Deep Space Observations Of Terrestrial Glitter, Alexander Kostinski, Alexander Marshak, Tamás Várnai
Deep Space Observations Of Terrestrial Glitter, Alexander Kostinski, Alexander Marshak, Tamás Várnai
Michigan Tech Publications
Deep space climate observatory (DSCOVR) spacecraft drifts about the Lagrangian point ≈1.4–1.6 × 10 km from Earth, where its Earth polychromatic imaging camera (EPIC) observes the sun-lit face of the Earth every 1 to 2 hours. At any instance, there is a preferred (specular) spot on the globe, where a glint may be observed by EPIC. While monitoring reflectance at these spots (terrestrial glitter), we observe occasional intense glints originating from neither ocean surface nor cloud ice and we argue that mountain lakes high in the Andes are among the causes. We also examine time-averaged reflectance at the spots and …