Explanation: A flat, smooth, shiny feature dubbed the Snow Queen is near the top of this color mosaic of the surface beneath the Phoenix Mars Lander.

说明： 在这张凤凰号登陆船下方的火星地面之彩色嵌合影像里，靠近顶端的平滑晶亮构造被戏称为冰后。

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Between entering the top of the atmosphere and touching down, the lander had seven minutes to reach Gale Crater, find clear ground, and deposit the one-ton rover, with only an onboard computer to guide it.

NEWYORKER: The Martian Chroniclers