Science
Mars Webcam Reveals the Secrets of Enormous, Elongated Cloud – Digital Trends
A huge cloud on Mars stretching over 1,100 miles long grows and shrinks considerably on a daily cycle that lasts for several months.

A strangely elongated cloud named the Arsia Mons Elongated Cloud or AMEC.ESA/GCP/UPV/EHU Bilbao
There’s an unusual feature in the skies of Mars: a huge, elongated cloud stretching over 1,100 miles long over the Arsia Mons volcano, appearing and disappearing one per martian year. Now, an unexpected tool aboard the Mars Express spacecraft has revealed more about how this cloud grows and shrinks considerably on a daily cycle that lasts for several months.
The cloud is difficult to observe from orbit…
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