Christmas crater

Here’s a nice Christmas card from Mars: a crater filled with water ice.

Mars Express gets festive: A winter wonderland on Mars

This image shows what appears to be a large patch of fresh, untrodden snow – a dream for any lover of the holiday season. However, it’s a little too distant for a last-minute winter getaway: this feature, known as Korolev crater, is found on Mars, and is shown here in beautiful detail as seen by…