Unnumbered source etymology
Original entry ↗A crater on Mars, located within the larger Airy Crater, used as the determining landmark for the Martian prime meridian.
From Airy Crater, the larger crater this smaller crater is located within, and 0° of the prime meridian. Named after George Biddell Airy, a British astronomer who helped establish the Greenwich Meridian as the Prime Meridian on Earth.
Inspect preserved source fields
Raw extraction fields are retained for auditing. Their order does not establish ancestry.
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