MarsNews.com
October 14th, 2014

Hydrogen cloud blows off Mars Nature


The first images from NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft show a planet in the process of losing parts of itself. Streams of hydrogen atoms drift away from the red planet, into the depths of space. The pictures are the first clear look at how crucial elements erode away from the Martian atmosphere, says Bruce Jakosky, a planetary scientist at the University of Colorado Boulder and the mission’s principal investigator. MAVEN’s goal is to measure how the solar wind and other factors nibble away at Mars’s atmosphere, so that scientists can better extrapolate how the once-thick atmosphere has thinned over billions of years. That process transformed Mars from a relatively warm, wet planet into a mostly dry, mostly frozen wasteland.

October 2nd, 2014

India, U.S. Agree to Joint Exploration of Mars The Wall Street Journal

India’s satellite Mangalyaan has only been orbiting Mars for a week, but already space scientists back on Earth are planning their next mission: this time in tandem with the U.S.
On Tuesday, the National Aeronautics and Space Administration signed an agreement to work with the Indian Space Research Organisation during future explorations of Mars. They also agreed to join forces in observations and scientific analysis from their respective satellites currently orbiting the red planet.

September 24th, 2014

MAVEN Spacecraft Returns First Mars Observations NASA


NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft has obtained its first observations of the extended upper atmosphere surrounding Mars.
The Imaging Ultraviolet Spectrograph (IUVS) instrument obtained these false-color images eight hours after the successful completion of Mars orbit insertion by the spacecraft at 10:24 p.m. EDT Sunday, Sept. 21, after a 10-month journey.
The image shows the planet from an altitude of 36,500 km in three ultraviolet wavelength bands. Blue shows the ultraviolet light from the sun scattered from atomic hydrogen gas in an extended cloud that goes to thousands of kilometers above the planet’s surface. Green shows a different wavelength of ultraviolet light that is primarily sunlight reflected off of atomic oxygen, showing the smaller oxygen cloud. Red shows ultraviolet sunlight reflected from the planet’s surface; the bright spot in the lower right is light reflected either from polar ice or clouds.

September 24th, 2014

Mars Robotic Spacecraft Population Reaches New High IEEE Spectrum

September has shaped up to be a very exciting month in the annals of Mars exploration. Two new spacecraft, NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) mission and India’s first interplanetary mission, the Mars Orbiter Mission (MOM), have now entered orbit around the Red Planet.
The new arrivals bring the population of active Mars missions to seven—a record high, confirms Bruce Betts of The Planetary Society, a space advocacy organization. On the ground now are Opportunity, which landed in 2004, and NASA’s Curiosity rover, which recently entered its third year of operation.
MAVEN and MOM join a complement of three orbiters: NASA’s 13-year-old Mars Odyssey spacecraft, the European Space Agency’s 11-year-old Mars Express spacecraft, and NASA’s Mars Reconnaissance Orbiter, which arrived in 2006.

September 21st, 2014

MAVEN arrives at Mars for atmospheric study mission NASASpaceflight.com

After a 10 month journey between planets, NASA’s MAVEN spacecraft has arrived at the Mars on Sunday, 21 September 2014 for a mission dedicated to detailed exploration of the Martian atmosphere. Insertion into Martian orbit occurred at around 21:50 EDT, followed by a commissioning period and observation of comet Siding Spring throughout October.

September 21st, 2014

LIVE Now: MAVEN Arrives at Mars NASA

September 21st, 2014

NASA’s Mars MAVEN mission set to enter Red Planet’s orbit Sunday The Denver Post

MAVEN has traveled 442 million miles since its November launch from Cape Canaveral, Fla. The $671 million mission has deep Colorado roots: It was built in Littleton by Lockheed Martin Space Systems; Centennial-based United Launch Alliance provided the launch vehicle; mission operations are being handled at Lockheed’s Waterton Canyon facility in Jefferson County; and science operations are being led by University of Colorado at Boulder’s Laboratory for Atmospheric and Space Physics. About $300 million of the project budget remained in Colorado, CU officials say.

September 21st, 2014

NASA Mars Orbiter Arrives at Red Planet Tonight: Watch It Live Yahoo!

A NASA spacecraft built to study the atmosphere of Mars like never before will arrive at the Red Planet tonight (Sept. 21) and you can watch it live online. After 10 months in deep-space, NASA’s Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft is expected to enter orbit around Mars and begin a one-year mission studying the planet’s upper atmosphere. The Mars arrival will cap a 442 million-mile (711 million kilometers) trek across the solar system.

September 18th, 2014

MAVEN spacecraft close to entering Mars orbit — and it won’t be alone CNN

NASA says its latest Mars-exploring spacecraft is on track to fire up its thrusters and enter orbit this Sunday night, completing a 10-month journey of 442 million miles.
NASA’s MAVEN craft will live up to its formal name — the Mars Atmosphere and Volatile Evolution craft — by helping scientists figure out how ancient Mars changed so dramatically into the planet we know today.
It will be the first mission devoted to studying the upper Martian atmosphere as a key to understanding the history of Mars’ climate, water and habitability.

August 15th, 2014

Mars Orbiters Duck for Cover Sky & Telescope

As Comet C/2013 A1 Siding Spring hurtles toward Mars, NASA is taking steps to protect its Martian orbiters. The plan? Use the planet itself as a shield between the spacecraft and the comet’s potentially dangerous debris.
As part of its long-term Mars Exploration Program, NASA currently has two spacecraft orbiting the Red Planet, Mars Reconnaissance Orbiter (MRO) and Mars Odyssey, with Mars Atmosphere and Volatile Evolution (MAVEN) set to arrive in late September. Teams of scientists at the University of Maryland, the Planetary Science Institute, and NASA’s Jet Propulsion Lab (JPL) have used data from both Earth-based and space telescopes to model Siding Spring’s journey through the inner solar system, and determined that there is no risk of the comet colliding with Mars. However, at its closest approach to Mars on October 19, 2014, Siding Spring will come within 82,000 miles of the Red Planet, which is about a third of the distance from Earth to the Moon. The closest comets ever to whiz by Earth have been at least ten times more distant.

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