Airy is an impact crater in the Sinus Meridiani region on Mars, named in honor of the British Astronomer, Royal Sir George Biddell Airy (1801–1892). The crater is approximately 43 kilometres (27 mi) in diameter and is located at 0.1°E 5.1°S in the Meridiani Planum region. The much smaller crater Airy-0, which defines the location of Mars’ prime meridian, lies within it.
Up to now, we’ve never imaged Airy-0, a crater within Airy Crater that formerly was used to define zero longitude on Mars.
November 29, 2021
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