eEjREUFLudRNT

I went to naprosyn hap Double-layered ejecta craters, also known as DLEs, are encircled by debris dug up by whatever produced the DLE. In this way they are like other craters, except for the fact that the debris forms two well-defined layers (a big outer layer with a smaller inner layer situated on top). These unique craters were first observed in data sent back from the Viking missions to the Red Planet in the 1970s, and researchers have been working hard ever since to determine how the double-layer pattern forms.

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