Apollinaris Patera

This THEMIS Image of the Day was first released as part of a look at Martian nomenclature. Apollinaris Patera = Patera: an irregular crater, or a complex one with scalloped edges. Apollinaris: The Aquae Apollinares is a hot springs northwest of Rome in Etruria. This hot springs location was known to both the Etruscans and the Romans. Apollonaris Patera is the remains of a caldera located on the top of an old volcano near Gusev Crater. The image is a mosaic of daytime IR frames. Nomenclature Fact of the Day: On Europa, another moon of Jupiter, linear features are named for Celtic stone rows, while ring features are named for Celtic stone circles.