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Home Artist’s conception of MAVEN’s Imaging UltraViolet Spectrograph (IUVS) observing the “Christmas Lights Aurora” on Mars. MAVEN observations show that aurora on Mars is similar to Earth’s “Northern Lights” but has a different origin. (University of Colorado) Artist’s conception of MAVEN’s Imaging UltraViolet Spectrograph (IUVS) observing the “Christmas Lights Aurora" on Mars. MAVEN observations show that aurora on Mars is similar to Earth’s "Northern Lights" but has a different origin. (University of Colorado)

Artist’s conception of MAVEN’s Imaging UltraViolet Spectrograph (IUVS) observing the “Christmas Lights Aurora” on Mars. MAVEN observations show that aurora on Mars is similar to Earth’s “Northern Lights” but has a different origin. (University of Colorado)

Artist’s conception of MAVEN’s Imaging UltraViolet Spectrograph (IUVS) observing the “Christmas Lights Aurora" on Mars. MAVEN observations show that aurora on Mars is similar to Earth’s "Northern Lights" but has a different origin. (University of Colorado)

Artist’s conception of MAVEN’s Imaging UltraViolet Spectrograph (IUVS) observing the “Christmas Lights Aurora” on Mars. MAVEN observations show that aurora on Mars is similar to Earth’s “Northern Lights” but has a different origin. (University of Colorado)

A map of IUVS’s auroral detections in December 2014 overlaid on Mars’ surface. The map shows that the aurora was widespread in the northern hemisphere, not tied to any geographic location. The aurora was detected in all observations during a 5-day period. (University of Colorado)