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Latest MESSENGER Stories

2011-06-16 09:42:30

The MESSENGER spacecraft successfully completed its first orbit-correction maneuver on June 15 to reset its periapsis altitude — the lowest point of MESSENGER’s orbit about Mercury relative to the planet’s surface — from 506 kilometers to approximately 200 kilometers.

2011-06-14 13:28:18

On Sunday, the MESSENGER spacecraft successfully completed the first of four “hot seasons” expected to occur during its one-year primary mission in orbit about Mercury.

2011-06-13 06:38:22

NASA will host a news conference at 1 pm EDT on Thursday, June 16, to reveal new images and science findings from the first spacecraft to orbit Mercury.

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2011-06-08 13:28:33

Robert Strom - Forty years ago, in 1971, I became a member of the Mariner 10 imaging science team.

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2011-06-01 08:57:18

Mercury and its environment constitute a complex system that includes interactions among the interplanetary medium, the planet’s magnetic field, its tenuous atmosphere (or exosphere), and its surface.

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2011-05-26 09:44:59

MESSENGER’s Mercury Laser Altimeter (MLA) in its first 2 months of operation has already built up a grid of ground tracks that span most of Mercury’s surface north of the equator.

2011-05-20 00:00:29

NewMSNMessenger.com launches the latest online property not affiliated with Microsoft but promoting MSN Messenger. Chat with friends, family and business partners for free. Simply download MSN Messenger, use a hotmail email address to login, add contacts and start chatting for free.

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2011-05-09 08:21:14

On May 6th, MESSENGER began its 100th orbit around Mercury.

2011-05-04 12:58:00

Two Stamps Recognize 50th Anniversary of First Manned Spaceflight KENNEDY SPACE CENTER, Fla., May 4, 2011 /PRNewswire-USNewswire/ -- The Postal Service dedicated two stamps today commemorating two historic events -- one that occurred a half century ago, and the second that's making history now.

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2011-05-04 08:54:16

MESSENGER carries a Gamma-Ray Spectrometer (GRS) that is capable of measuring and characterizing gamma-ray emissions from the surface of Mercury.


Latest MESSENGER Reference Libraries

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2004-10-19 04:45:40

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...

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Word of the Day
whirret
  • To give a box on the ear to.
The word 'whirret' may be onomatopoeic.