NASA’s MAVEN Orbiter 3 Weeks and 4 Million Miles from Mars

Thursday, September 4, 2014

NASA’s MAVEN Orbiter 3 Weeks and 4 Million Miles from Mars

NASA’s MAVEN Orbiter 3 Weeks and 4 Million Miles from Mars:

NASA’s MAVEN spacecraft is depicted in orbit around an artistic rendition of planet Mars, which is shown in transition from its ancient, water-covered past, to the cold, dry, dusty world that it has become today. Credit: NASA

Now just 3 weeks and 4 million miles (6 million kilometers) from rendezvous with Mars, NASA’s ground breaking Mars Atmosphere and Volatile Evolution (MAVEN) orbiter is tracking precisely on course for the crucial Mars Orbital Insertion (MOI) engine firing slated for September 21, 2014.

It’s been a picture perfect flight so far during the ten and a half month interplanetary voyage from Earth to Mars.

As of August 29th, MAVEN was 198 million kilometers (123 million miles) from Earth and 6.6 million kilometers (4.1 million miles) from Mars. Its velocity is 22.22 kilometers per second (49,705 miles per hour) as it moves on a heliocentric around the Sun.

“MAVEN continues on a smooth journey to Mars. All spacecraft systems are operating nominally,” reported David Mitchell, MAVEN Project Manager at NASA’s Goddard Space Flight Center, in an update.

MAVEN is NASA’s next Mars Orbiter and will investigate how the planet lost most of its atmosphere and water over time. Credit: NASA

In fact, MAVEN’s navigation from Earth to Mars has been so perfect that the team will likely cancel the final Trajectory Correction Maneuver (TCM) that had been planned for September 12.

The team will make a final decision on whether TCM-4 is necessary on Sept. 4.

Previously the team also cancelled TCM-3 that had been planned for July 23 because it was “not warranted.”

“We are tracking right where we want to be,” says Mitchell.

TCM-1 and TCM-2 took place as scheduled in December 2013 and February 2014, Bruce Jakosky, MAVEN’s Principal Investigator told Universe Today.

These thruster firings ensure the craft is aimed on the correct course through interplanetary space.

See MAVEN’s trajectory route map below.

Maven spacecraft trajectory to Mars. Credit: NASA

“Since we are now in a ‘pre-Mars Orbit Insertion (MOI) moratorium’, all instruments are powered off until after we arrive at the Red Planet,” according to Mitchell.

Tagged as:
ancient Mars,
Atlas V rocket,
cape canaveral,
kennedy space center,
loss of Mars water,
Mars,
Mars MAVEN,
MAVEN,
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red planet,
Search for Life,
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The National Aeronautics and Space Administration (NASA) is the United States government agency responsible for the civilian space program as well as aeronautics and aerospace research. President Dwight D. Eisenhower established the National Aeronautics and Space Administration (NASA) in 1958 with a distinctly civilian (rather than military) orientation encouraging peaceful applications in space science. The National Aeronautics and Space Act was passed on July 29, 1958, disestablishing NASA's predecessor, the National Advisory Committee for Aeronautics (NACA). The new agency became operational on October 1, 1958.

UFO SIGHTINGS PHOTO PHOTOGRAPHY

The Oxford English Dictionary defines a UFO as "An unidentified flying object; a 'flying saucer'." The first published book to use the word was authored by Donald E. Keyhoe. The acronym "UFO" was coined by Captain Edward J. Ruppelt, who headed Project Blue Book, then the USAF's official investigation of UFOs. He wrote, "Obviously the term 'flying saucer' is misleading when applied to objects of every conceivable shape and performance. For this reason the military prefers the more general, if less colorful, name: unidentified flying objects. UFO (pronounced Yoo-foe) for short." Other phrases that were used officially and that predate the UFO acronym include "flying flapjack", "flying disc", "unexplained flying discs", "unidentifiable object", and "flying saucer". The phrase "flying saucer" had gained widespread attention after the summer of 1947. On June 24, a civilian pilot named Kenneth Arnold reported seeing nine objects flying in formation near Mount Rainier. Arnold timed the sighting and estimated the speed of discs to be over 1,200 mph (1,931 km/h). At the time, he described the objects' shape as being somewhat disc-like or saucer-like, leading to newspaper accounts of "flying saucers" and "flying discs". In popular usage the term UFO came to be used to refer to claims of alien spacecraft. and because of the public and media ridicule associated with the topic, some investigators prefer to use such terms as unidentified aerial phenomenon (or UAP) or anomalous phenomena, as in the title of the National Aviation Reporting Center on Anomalous Phenomena (NARCAP).

UFO PHOTO PHOTOGRAPHY

UFO - Unidentified Flying Object An unidentified flying object, or UFO, in its most general definition, is any apparent anomaly in the sky that is not identifiable as a known object or phenomenon. Culturally, UFOs are associated with claims of visitation by extraterrestrial life or government-related conspiracy theories, and have become popular subjects in fiction. While UFOs are often later identified, sometimes identification may not be possible owing to the usually low quality of evidence related to UFO sightings (generally anecdotal evidence and eyewitness accounts). Stories of fantastical celestial apparitions have been told since antiquity, but the term "UFO" (or "UFOB") was officially created in 1953 by the United States Air Force (USAF) to serve as a catch-all for all such reports. In its initial definition, the USAF stated that a "UFOB" was "any airborne object which by performance, aerodynamic characteristics, or unusual features, does not conform to any presently known aircraft or missile type, or which cannot be positively identified as a familiar object." Accordingly, the term was initially restricted to that fraction of cases which remained unidentified after investigation, as the USAF was interested in potential national security reasons and/or "technical aspects" (see Air Force Regulation 200-2). During the late 1940s and through the 1950s, UFOs were often referred to popularly as "flying saucers" or "flying discs". The term UFO became more widespread during the 1950s, at first in technical literature, but later in popular use. UFOs garnered considerable interest during the Cold War, an era associated with a heightened concern for national security. Various studies have concluded that the phenomenon does not represent a threat to national security nor does it contain anything worthy of scientific pursuit (e.g., 1951 Flying Saucer Working Party, 1953 CIA Robertson Panel, USAF Project Blue Book, Condon Committee).

Photos of Nature | Nature Photography What is The Universe

Photos of Nature | Nature Photography What is The Universe

Thursday, September 4, 2014