2012年8月に火星に着陸し現在も活動中の探査車キュリオシティが、3月7日（日本時間）に撮影した物体です：
The weird little stone near the summit of "Mont Mercou", now in stereo! (Curiosity took one image, bumped a short distance closer to the outcrop, and took another. It's rare to have full-resolution stereo views!) pic.twitter.com/7UEh5letJ9
— 👾 Justin Cowart 👾 (@jccwrt) March 7, 2021
拡大画像：
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