earth leg 54

Earthwalk Day 1405 (28 November 2025), 14,236 km: Mount Graham International Observatory November 28, 2025

Earthwalk Day 1392 (14 November 2025), 14,090 km November 14, 2025

Earthwalk Day 1375 (28 October 2025), 13,938 km: Fred Lawrence Whipple Observatory October 28, 2025