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Latest MESSENGER Stories

2012-11-27 09:02:02

NASA will host a news conference at 2 p.m. EST on Thursday, Nov, 29, to reveal new observations from the first spacecraft to orbit the planet Mercury. The briefing will be held in the NASA Headquarters auditorium, located at 300 E St. SW in Washington. Science Journal has embargoed details until 2 p.m. on Nov. 29. The news conference will be carried live on NASA Television and the agency's website. NASA's Mercury Surface, Space Environment, Geochemistry, and Ranging, or MESSENGER...

Mickey Mouse on Mercury
2012-09-19 12:08:29

Lee Rannals for redOrbit.com - Your Universe Online After spending the last year-and-a-half orbiting Mercury, NASA's MESSENGER spacecraft is revealing new information about the planet that lies closest to the sun. New x-ray data from the space probe shows that the planet contains high levels of magnesium and sulfur on its surface, making its composition quite different than that of other planets. MESSENGER's X-ray spectrometer shows a planet whose northern volcanic plains formed...

2012-09-12 07:26:51

Late last week, the Planetary Data System (PDS) released data collected during MESSENGER's seventh through twelfth month in orbit around Mercury. PDS archives and distributes all of NASA's planetary mission data. With this release, images and measurements are now available to the public for the second full Mercury solar day of MESSENGER orbital operations. NASA requires that all of its planetary missions archive data in the PDS, an active archive that makes available well-documented,...

2012-08-28 23:01:30

Bluefree Instant Messenger designed for LinkedIn launches for iPhone. The instant messenger has quietly been growing in South Africa and the Middle-east where almost 280,000 are using the Blackberry version of the app. London, England, UK (PRWEB) August 27, 2012 Bluefree Instant Messenger designed for LinkedIn launches for iPhone. The instant messenger has quietly been growing in South Africa and the Middle-east where almost 280,000 are using the Blackberry version of the app. A unique...

IAU Approves Nine Mercury Crater Names
2012-08-10 09:47:55

April Flowers for redOrbit.com - Your Universe Online A recently proposal from the MESSENGER Science Team to assign names to nine impact craters on Mercury has been met with approval by the International Astronomical Union (IAU). The IAU has been the arbiter of planetary and satellite nomenclature since its inception in 1919. In keeping with the established theme of naming craters on Mercury, all of the newly designated features are named after deceased artists, musicians, authors or...

MESSENGER Marks 8th Anniversary Since Launch
2012-08-06 09:33:40

John Neumann for redOrbit.com - Your Universe Online Eight years ago this month, in 2004, the MESSENGER space probe was launched on a six-and-a-half year, 4.9-billion mile journey to be the first spacecraft to orbit the planet Mercury. The leisurely cruise included 15 trips around the Sun, a flyby of Earth, two flybys of Venus, and three flybys of Mercury. During its gravity assist swing-by of Earth, on August 2, 2005, Messenger´s cameras captured several hundred images of our...


Latest MESSENGER Reference Libraries

4_9748baf12fb7dd89aa4315d7732196cd2
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
negawatt
  • A unit of saved energy.
Coined by Amory Lovins, chairman of the Rocky Mountain Institute as a contraction of negative watt on the model of similar compounds like megawatt.