APOD: 2026 October 10 – Lunar Farside
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Explanation: Tidally locked in synchronous rotation , the Moon always presents its familiar nearside to denizens of planet Earth . From lunar orbit, the Moon’s farside can become familiar, though. In fact this sharp picture , a mosaic from the Lunar Reconnaissance Orbiter’s wide angle camera, is centered on the lunar farside. Part of a global mosaic of over 15,000 images acquired between November 2009 and February 2011, the highest resolution version shows features at a scale of 100 meters per pixel. Surprisingly, the rough and battered surface of the farside looks very different from the nearside covered with smooth dark lunar maria. A likely explanation is that the farside crust is thicker , making it harder for molten material from the interior to flow to the surface and form dark, smooth maria . Tomorrow’s picture: Sunday’s Childe
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