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Astronomy Picture from 17/04/1999

Gamma Ray Moon

Source: https://apod.nasa.gov/apod/ap990417.htm<a href="/hashtag/GammaRayMoon" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link">#GammaRayMoona#EGRETn#ComptonObservatorye#CosmicRayss#SpaceSciencee#NASAc#HighEnergyAstronomys#MoonGlowM#MilkyWayM#GammaRayAstronomystronomy
A false-color image of the Moon from NASA's Compton Gamma Ray Observatory's EGRET instrument. The Moon appears brilliantly bright due to gamma rays produced by cosmic rays impacting its surface, brighter than the Sun at these wavelengths. The image shows a wide field of view, also including gamma-ray emissions from the Milky Way galaxy and other sources.
May 17, 2025 at 12:26 PM
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Astronomy Picture from 31/03/2005

Gamma-Ray Earth

Source: https://apod.nasa.gov/apod/ap050331.htm<a href="/hashtag/GammaRayEarth" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link">#GammaRayEarthR#SpaceSciencee#HighEnergyAstronomys#ComptonObservatorye#CosmicRayss#EarthFromSpacer#AstronomyImageo#APODge #APOD
A pixelated image of Earth in gamma rays, captured by the Compton Gamma Ray Observatory. The bright edges show gamma rays produced by the atmosphere interacting with cosmic rays. This image is a compilation of 7 years of data, demonstrating the faint gamma-ray glow of our planet.
February 18, 2025 at 11:12 PM