In some cases, blocks sublimated so rapidly that they burrowed beneath the subsurface and were swallowed up by the sand in under 60 seconds. They are long, sometimes sinuous, narrow carvings thought to form by CO2 ice blocks which fall […]
In some cases, blocks sublimated so rapidly that they burrowed beneath the subsurface and were swallowed up by the sand in under 60 seconds. They are long, sometimes sinuous, narrow carvings thought to form by CO2 ice blocks which fall […]