A Slice of Polar Layer Cake por admin | 11 marzo, 2020 - 12:02 pm |11 marzo, 2020 Astronomy Photos A Slice of Polar Layer Cake The Martian ice cap is like a cake with every layer telling a story. In this case, the story is one of climate change on Mars. Get The Details… Powered by WPeMatico Spread the love Etiquetado Astronomy photo.Enlace para bookmark : Enlace permanente.