#argyre

According to National geographic, an anniversary is coming. Not sure which anniversary, but it’s a biggie – the anniversary of the extinction of the dinosaurs. Well, at least the anniversary of the Chicxulub crater, which is about 180 km wide. This would be caused by an impactor of about 10 km diameter, which perhaps shows how fierce these impacts were. Of course, there are arguments over whether…

description: naïade d'une fontaine en Achaïe

catégorie: nymphes, naïades

amant: Sélemnos

Titans Vs Orbital Knights

Suggested by Will Titan battle group of: 10 Imperial Knights (first time here), 6 Warhounds, 4 Reaver titans, 2 Warlord Titans and an Imperator Titan. All from Warhammer 40k will go up against the Orbital Knights (first time here) from Aldnoah.Zero including all known knights and their Kataphrakts, one landing castle is allowed and no air support other than those mechs capable of flight. Mechs…

Over billions of years, the southern uplands of Mars have been pockmarked by numerous impact features, which are often so closely packed that they overlap. One such feature is Hooke crater, shown in this frost-tinged scene, imaged by ESA’s Mars Express during winter in the southern hemisphere.

epoch: Surface of Mars, photographed by Mars Reconnaissance Orbiter, 11th December 2010.

"Possible phyllosilicate terrain" in the south Argyre Basin at 56°S 321°E.

Phyllosilicate minerals are of interest because they are believed to have been formed in a hydrated environment; i.e. at a point in history when liquid water existed on Mars - possibly as long as 4 billion years ago, in the early Noachian epoch, although some (Fairén et al, 2010) have argued for somewhat more recent formation.