NASA’s New Horizons Spacecraft Begins First Stages of Pluto Encounter

Space Lovers, I’m J. A. Ireland. I’ve had an interest in space from a very young age and I’ve always been very interested in what Nasa’s working on. For my interest and learning, and perhaps others, I’m going to track the spacecraft, New Horizons as it approaches Pluto, and other points of interest while I’m at it.

New Horizons Spacecraft Approaches Pluto

New Horizons Spacecraft Approaches Pluto

This is the beginning of an exciting new era for humanity. Imagine what we as a civilization will learn from Nasa’s work? What we’ve already learned?  The contributions Nasa’s made throughout history to humanity is unmatched. My thanks and I’m sure countless others thank Nasa and their personnel for their work and achievements. Some of my article today is taken from nasa’s website, nasa.gov—as are many photos. Some are from the Hubble telescope as well. NASA’s New Horizons spacecraft recently began its long-awaited, historic encounter with Pluto. The spacecraft is entering the first of several approach phases that culminate July 14 with the first close-up flyby of the dwarf planet, 4.67 billion miles (7.5 billion kilometers) from Earth.

New Horizons

New Horizons-2

New Horizons

“NASA’s first mission to distant Pluto will also be humankind’s first close up view of this cold, unexplored world in our solar system,” said Jim Green, director of NASA’s Planetary Science Division at the agency’s Headquarters in Washington. “The New Horizons team worked very hard to prepare for this first phase, and they did it flawlessly.” The fastest spacecraft when it was launched, New Horizons lifted off in January 2006. It awoke from its final hibernation period last month after a voyage of more than 3 billion miles, and will soon pass close to Pluto, inside the orbits of its five known moons. In preparation  for the close encounter, the mission’s science, engineering and spacecraft operations teams configured the piano-sized probe for distant observations of the Pluto system that start Sunday, Jan. 25 with a long-range photo shoot. The images captured by New Horizons’ telescopic Long-Range Reconnaissance Imager (LORRI) will give mission scientists a continually improving look at the dynamics of Pluto’s moons. The images also will play a critical role in navigating the spacecraft as it covers the remaining 135 million miles (220 million kilometers) to Pluto. TimelineTimeline of the approach and departure phases — surrounding close approach on July 14, 2015 — of the New Horizons Pluto encounter. Credits: NASA/JHU APL/SwRI “We’ve completed the longest journey any spacecraft has flown from Earth to reach its primary target, and we are ready to begin exploring,” said Alan Stern, New Horizons principal investigator from Southwest Research Institute in Boulder, Colorado. LORRI will take hundreds of pictures of Pluto over the next few months to refine current estimates of the distance between the spacecraft and the dwarf planet. Though the Pluto system will resemble little more than bright dots in the camera’s view until May, mission navigators will use the data to design course-correction maneuvers to aim the spacecraft toward its target point this summer. The first such maneuver could occur as early as March. “We need to refine our knowledge of where Pluto will be when New Horizons flies past it,” said Mark Holdridge, New Horizons encounter mission manager at Johns Hopkins University’s Applied Physics Laboratory (APL) in Laurel, Maryland. “The flyby timing also has to be exact, because the computer commands that will orient the spacecraft and point the science instruments are based on precisely knowing the time we pass Pluto – which these images will help us determine.” The “optical navigation” campaign that begins this month marks the first time pictures from New Horizons will be used to help pinpoint Pluto’s location.

OUR SOLAR SYSTEM  

Planets via Hubble Telescope

Planets via PhotoJournal

Throughout the first approach phase, which runs until spring, New Horizons will conduct a significant amount of additional science. Spacecraft instruments will gather continuous data on the interplanetary environment where the planetary system orbits, including measurements of the high-energy particles streaming from the sun and dust-particle concentrations in the inner reaches of the Kuiper Belt. In addition to Pluto, this area, the unexplored outer region of the solar system, potentially includes thousands of similar icy, rocky small planets.

Dawn Survey Orbit Image 11

Dawn Survey Orbit Image 11

More intensive studies of Pluto begin in the spring, when the cameras and spectrometers aboard New Horizons will be able to provide image resolutions higher than the most powerful telescopes on Earth. Eventually, the spacecraft will obtain images good enough to map Pluto and its moons more accurately than achieved by previous planetary reconnaissance missions. APL manages the New Horizons mission for NASA’s Science Mission Directorate in Washington. Alan Stern, of the Southwest Research Institute (SwRI), headquartered in San Antonio, is the principal investigator and leads the mission. SwRI leads the science team, payload operations, and encounter science planning. New Horizons is part of the New Frontiers Program managed by NASA’s Marshall Space Flight Center in Huntsville, Alabama. APL designed, built and operates the spacecraft. For more information about the New Horizons mission, visit: www.nasa.gov/newhorizons and http://pluto.jhuapl.edu Dwayne Brown Headquarters, Washington 202-358-1726 dwayne.c.brown@nasa.gov Michael Buckley Johns Hopkins University Applied Physics Laboratory, Laurel, Md. 240-228-7536 michael.buckley@jhuapl.edu Maria Stothoff Southwest Research Institute, San Antonio 210-522-3305 maria.stothoff@swri.org Last Updated: June 30, 2015 Editor: Karen Northon Tags:  New Horizons, Pluto, Solar System Pluto I’m keeping a close eye on New Horizons and will report it on this blog. May good fortune guide your path. I’m J. A. Ireland.

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