English Explanatory Dictionary

Airy-0

English dictionary entry

Meanings

name
  1. A crater on Mars, located within the larger Airy Crater, used as the determining landmark for the Martian prime meridian.

Word forms

Airy-0

Etymology

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.

Derived words

Airy Mean Time
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