Artifacts 14
Every copy this mystery rests on, each with its own key and its distance from the original.
Photo1 step from object
Mario Pino et al. · CC BY 4.0
Photo1 step from object
Ammodramus (Wikimedia Commons) · CC0
Photo2 steps from object
Moore et al. 2020, figure 2 · CC BY-SA 4.0 (as tagged on Commons; the source figure is CC BY 4.0)
Photo2 steps from object
NASA Goddard · Public domain (US government work)
Photo2 steps from object
Andrew M. T. Moore and colleagues · CC BY-SA 4.0 (as tagged on Commons; the source figure is CC BY 4.0)
Photo2 steps from object
NASA/Cindy Starr · Public domain (US government work)