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Active Volcano on Venus
Active Volcano on Venus (click to enlarge)
 
 

Active Volcano on Venus
Date: 8 Apr 2010

This figure shows the volcanic peak Idunn Mons in the Imdr Regio area of Venus. The topography derives from data obtained by NASA's Magellan spacecraft, with a vertical exageration of 30 times. Radar data (in brown) from Magellan has been draped on top of the topographic data. Bright areas are rough or have steep slopes. Dark areas are smooth.


The colored overlay shows the heat patterns derived from surface brightness data collected by the visible and infrared thermal imaging spectrometer (VIRTIS) aboard ESA's Venus Express spacecraft. Temperature variations due to topography were removed. The brightness signals the composition of the minerals that have been changed due to lava flow. Red-orange is the warmest area and purple is the coolest. The warmest area is situated on the summit, which stands about 2.5 km above the plains, and on the bright flows that originate there. Idunn Mons has a diameter of about 200 km.


The VIRTIS data was collected from May 2006 to the end of 2007.


Last Update: 30 Mar 2011 (AMB)

Credit: NASA/JPL/ESA



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