A NASA Discovery mission to conduct the first orbital study
of the innermost planet
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MESSENGER

Mission News

July 9, 2014
MESSENGER and STEREO Measurements Open New Window Into High-Energy Processes on the Sun
Understanding the Sun from afar isn't easy. How do you figure out what powers solar flares -- the intense bursts of radiation coming from the release of magnetic energy associated with sunspots -- when you must rely on observing only the light and particles that make their way to Earth's orbit? One answer: you get closer. [more]

Mission Elapsed Time
August 3, 2004
DAYS HRS MINS SECS
Day Spot 1 Day Spot 2 Day Spot 3 Day Spot 4
Hour Spot 1 HourSpot2
Minute Spot 1 Minute Spot 2
Second Spot 1 Second Spot 2
Mercury Orbit Insertion
March 18, 2011
00:45 UTC
DAYS HRS MINS SECS
Day Spot 1a Day Spot 1 Day Spot 2 Day Spot 3
Hour Spot 1 HourSpot2
Minute Spot 1 Minute Spot 2
Second Spot 1 Second Spot 2
Countdown to Insertion Burn
Orbits Around Mercury
Orbits completed: 

Time until start of next orbit (hh:mm:ss): 
Orbit start is at maximum altitude.

Featured Images

July 21, 2014
Watchers of the Wall
July 18, 2014
You Can Crater on Me
July 16, 2014
Waters, waters everywhere
July 14, 2014
Peak-a-boo Eminescu
July 11, 2014
Crater on a Ridge