Based on crater densities within the basins, SPA appears to be the oldest and Orientale the youngest.

根据盆地内的陨石坑密度估算，SPA盆地似乎最古老，而东方海则最年轻。

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The remarkable photograph of a 'moonbow' was taken by Wally Pacholka as he looked over the Haleakala crater on Maui Island in Hawaii.

这张引人注目的‘月虹'照片是由 Wally Pacholka 在游览参观夏威夷毛伊岛哈雷阿卡拉火山口时拍摄的。

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However, the ejecta on Mars gives the distinct impression of a liquid that has splashed or flowed out of crater.

然而，火星上的喷出物则由于那些溅出或溢出陨石坑的液体而令人印象深刻。

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Crater-causing collisions are thought to have excavated underground minerals that were then exposed on the crater peaks.

BBC: Water 'widespread' on early Mars

As a mobile laboratory, Curiosity will focus first on Gale Crater's 14, 700-foot-high central peak.

WSJ: Mars Mission Seeks a Happy Landing

When the Apollo 15 astronauts wanted to name their lunar landscape after him, they fixed on Dandelion Crater.

ECONOMIST: Ray Bradbury