Latest MESSENGER Stories
One of the primary science goals of MESSENGER is to study Mercuryâ€™s very thin atmosphere, or exosphere.
DELRAY BEACH, Fla., April 6, 2011 /PRNewswire/ -- River Valley Community College of Claremont, New Hampshire and Medical Messenger have partnered together to add ONC Certified(1) features and functionality to the Nursing curriculum.
On April 4th, MESSENGER began its yearlong science campaign to understand the innermost planet.
NASA released the first batch of hundreds of photos taken by MESSENGER during its orbit of Mercury on Wednesday.
On Tuesday, NASA released the first image the MESSENGER spacecraft has taken during its close-up encounter of the planet Mercury.
NASA will release the first orbital image of Mercury's surface, including previously unseen terrain, on Tuesday afternoon, March 29.
NIAGARA FALLS, N.Y., March 23, 2011 /PRNewswire/ -- AMPAC-ISP CORP., American Pacific Corporation's (Nasdaq: APFC) wholly-owned in-space propulsion subsidiary (AMPAC-ISP), reported that their LEROS 1b bipropellant engine (LEROS 1b) fired for nearly fifteen minutes in the early hours on March 18, 2011 to slow the MESSENGER (MErcury Surface, Space ENvironment, GEochemistry, and Ranging) spacecraft and place it into orbit around Mercury.
Data from its first three days in orbit about Mercury have confirmed the initial assessment of the spacecraft team that MESSENGER is in its intended orbit and operating nominally.
SACRAMENTO, Calif., March 21, 2011 /PRNewswire/ -- Aerojet, a GenCorp (NYSE: GY) company, announced today that NASA's MESSENGER (MErcury Surface, Space ENvironment, GEochemistry, and Ranging) spacecraft has successfully achieved the first-ever orbit around the planet Mercury using Aerojet's propulsion system.
PHOENIX, March 18, 2011 /PRNewswire/ -- On the evening of March 17, 2011, NASA's MESSENGER spacecraft fired its main engine for 15 minutes to perform a Mercury capture maneuver and became the first spacecraft in history to orbit the innermost planet to the Sun.
The Planet Mercury -- in astronomy, nearest planet to the sun, at a mean distance of 36 million mi (58 million km); its period of revolution is 88 days. Mercury passes through phases similar to those of the moon as it completes each revolution about the sun, although the visible disk varies in size with respect to its distance from the earth. Because its greatest elongation is 28, it is seen only for a short time after sunset or before sunrise. Since observation of Mercury is...
- A gift; a largess; a gratuity; a present; a dole.
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