PIA12116: Lermontov's Turbulent History

Lermontov’s Turbulent History


Lermontov crater was first observed by Mariner 10 and seen more recently by MESSENGER during its second flyby of Mercury. The crater floor is somewhat brighter than the exterior surface and is smooth with several irregularly shaped depressions. Such features, similar to those found on the floor of Praxiteles ( PIA12040 ), may be evidence of past explosive volcanic activity on the crater floor. Lermontov appears reddish in enhanced-color views ( PIA11411 ), suggesting that it has a different composition from the surrounding surface. Lermontov is named for Mikhail Yurevich Lermontov, a nineteenth-century Russian poet and painter who died from a gunshot suffered in a duel.

Date Acquired: October 6, 2008
Image Mission Elapsed Time (MET): 131771953
Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS)
Resolution: 250 meters/pixel (0.16 miles/pixel)
Scale: Lermontov's diameter is 152 kilometers (94 miles)
Spacecraft Altitude: 10,000 kilometers (6,200 miles)

Background Info:

These images are from MESSENGER, a NASA Discovery mission to conduct the first orbital study of the innermost planet, Mercury. For information regarding the use of images, see the MESSENGER image use policy .

Cataloging Keywords:

Name Value Additional Values
Target Mercury
Target Type Planet
Mission MESSENGER Mariner
Instrument Host MESSENGER Mariner 10
Host Type Orbiter Flyby Spacecraft
Instrument Mercury Dual Imaging System (MDIS)
Detector Narrow Angle Camera (NAC)
Extra Keywords Crater, Grayscale, Volcano
Acquisition Date
Release Date 2009-07-07
Date in Caption 2008-10-06
Image Credit NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
Source photojournal.jpl.nasa.gov/catalog/PIA12116
Identifier PIA12116