Mercury (planet)
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Mercury is the first planet from the Sun and the smallest in the Solar System. It is a rocky planet with a trace atmosphere and a surface gravity slightly higher than that of Mars. The surface of Merc
Mercury in true color (by MESSENGER in 2008)
MASCS spectrum scan of Mercury's surface by MESSENGER
Enhanced-color image of craters Munch (left), Sander (center), and Poe (right) amid volcanic plains (orange) near Caloris Basin
Perspective view of Caloris Basin – high (red); low (blue)
MESSENGER
Videos
MESSENGER was a NASA robotic space probe that orbited the planet Mercury between 2011 and 2015, studying Mercury's chemical composition, geology, and magnetic field. The name is a backronym for Mercur
Artist's rendering of MESSENGER orbiting Mercury
X-Ray spectrometer
The assembly of MESSENGER's solar panels by APL technicians.
Technicians prepare MESSENGER for transfer to a hazardous processing facility.