About this image
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.
Please see the THEMIS Data Citation Note for details on crediting THEMIS images.