Date:March 21 2016
Height: 11 in
Width: 11 in
Note: Frame Dimensions: 17" x 18"
The most detailed map of Mars’s gravity to date, made with three NASA spacecraft, provides a revealing glimpse into the hidden interior of the Red Planet. The information was derived using Doppler- and range-tracking data from Mars Global Surveyor, Mars Odyssey, and the Mars Reconnaissance Orbiter. Like all planets, Mars is lumpy, which causes the gravitational pull felt by spacecraft in orbit around it to change.