Pluto Spacecraft Wakes Up For An Exciting Close Encounter Next Year

Monday, December 8, 2014

Pluto Spacecraft Wakes Up For An Exciting Close Encounter Next Year

Pluto Spacecraft Wakes Up For An Exciting Close Encounter Next Year:

Artist’s conception of the New Horizons spacecraft at Pluto. Credit: Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute (JHUAPL/SwRI)

Pluto, humanity is getting ready to change your image. The New Horizons spacecraft is awake once more after emerging from hibernation as planned yesterday (Dec. 6). And after a decade of sailing through space, there will be a historic first encounter with the dwarf planet in July.

The story may not end there, either. Mission managers are working hard to make the case that since New Horizons is way “out there” anyway, it would be a great idea to put the spacecraft past another object later in the mission. That hope rides heavily on the success of the Pluto encounter July 14.

“Technically, this was routine, since the wake-up was a procedure that we’d done many times before,” said Glen Fountain, New Horizons project manager at the Johns Hopkins Applied Physics Laboratory, in a statement. “Symbolically, however, this is a big deal. It means the start of our pre-encounter operations.”

The New Horizons spacecraft takes off on Jan. 19, 2006 from the Kennedy Space Center for its planned close encounter with Pluto. Credit: NIKON/Scott Andrews/NASA

It’s been a neat few years for the mighty machine, even before getting to the main event. New Horizons launched from the Kennedy Space Center in 2006 and made a close pass by Jupiter and its moons in 2007, doing some science en route — including catching a huge explosion from Io, a volcanic moon.

Since then, the spacecraft has dutifully been sending back pictures from across the Solar System, including a picture of Neptune’s moon Triton, and several of Pluto — the first time a spacecraft will venture that far. In between the science work and checking out systems, New Horizons spent two-thirds of the journey sleeping to conserve energy for the big show.

Up next for the spacecraft will be several weeks of checkouts and also putting together the commands to make sure New Horizons is successfully guided past Pluto and its moons (a process that got complicated over the years as more moons were discovered.) After that, if the spacecraft holds out and the budget is approved, managers want to swing it past a Kuiper Belt Object.

Two potential targets for the New Horizons mission emerge in these Hubble Space Telescope multiple-exposure images. Both are about four billion miles (6.4 billion kilometers) away. NASA, ESA, SwRI, JHU/APL, and the New Horizons KBO Search Team

The Kuiper Belt is a collection of icy bodies past Neptune’s orbit. These small worlds are believed to be building blocks of the Solar System, showing off a time billions of years ago when there were no planets or moons — just chunks of rocks and ice, which slowly collided and coalesced over millions of years to form the familiar landscape we see today.

New Horizons team members plan to ask for more money for this mission in late 2016, as they gather information via the Hubble Space Telescope and other sources to make their case. (They already have some targets in mind.) But the focus will definitely be on Pluto in the coming months.

Next year, by the way, will see another planned close encounter with a dwarf planet when NASA’s Dawn spacecraft gets to Ceres in the spring.

About Elizabeth Howell

Elizabeth Howell is the senior writer at Universe Today. She also works for Space.com, Space Exploration Network, the NASA Lunar Science Institute, NASA Astrobiology Magazine and LiveScience, among others. Career highlights include watching three shuttle launches, and going on a two-week simulated Mars expedition in rural Utah. You can follow her on Twitter @howellspace or contact her at her website.

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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.

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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).

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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).

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Photos of Nature | Nature Photography What is The Universe

Monday, December 8, 2014