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Astronomy Picture from 15/09/2007

Iapetus: 3D Equatorial Ridge

Source: https://apod.nasa.gov/apod/ap070915.htm<a href="/hashtag/Iapetus" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link">#Iapetus##SaturnMoont#Cassini##SpaceExplorationl#PlanetarySciencey#Cosmologyo#Astronomys#3DImage##WalnutMoonl#SolarSystemMysterymMystery
Stereoscopic image of Iapetus, a Saturnian moon, showcasing its unique equatorial ridge. The ridge, approximately 20km wide and 20km high, is a mysterious and unparalleled feature in our solar system, giving the moon a distinctive walnut shape. This image, from a Cassini flyby in 2007, reveals the heavily cratered surface of the ridge. View with red/blue 3D glasses for a more impactful experience.
June 24, 2025 at 5:15 PM
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Astronomy Picture from 09/08/2009

Saturn's Iapetus: Painted Moon

Source: https://apod.nasa.gov/apod/ap090809.htm<a href="/hashtag/Iapetus" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link">#Iapetus##SaturnMoont#CassiniMissioni#SpaceExplorationl#Cosmologyo#PlanetarySciencey#Astronomys#CelestialBodyt#DarkMaterialM#WalnutMoonlnutMoon
A striking image of Saturn's moon Iapetus, captured by the Cassini spacecraft. The image showcases Iapetus's unique two-toned surface, with one hemisphere dark and the other light, and its prominent equatorial ridge. The dark material, possibly carbon-rich, is seen coating the eastern part of the moon, covering craters and highlands. A large impact crater is visible in the southern hemisphere. This image offers a fascinating glimpse into the mysteries surrounding this unusual celestial body.
February 28, 2025 at 2:13 PM