Ball Aerospace Instrument to Give New View of Pluto
January 15, 2006
Ball Aerospace & Technologies Corp. is now awaiting the launch of the instrument that will give scientists their first, close views of Pluto. As part of a mission called New Horizons, the Ball-built Ralph instrument, with its visible imager and infrared spectrometer will create maps of Pluto and its three moons to help scientists understand the planets and the environment at the edge of our solar system.
Ralph is scheduled to launch January 17, 2006 on the New Horizons spacecraft built by the Applied Physics Laboratory aboard an Atlas V expendable launch vehicle from Cape Canaveral, Fla.
In a nod to the television show, "The Honeymooners," Ralph will be paired with Alice, an ultraviolet spectrometer, built by Southwest Research Institute. Ralph's suite of detectors is fed by a highly sensitive magnifying telescope with a resolution 10 times better than the human eye. Small but mighty, Ralph weighs only 23 pounds and uses about the same wattage as a standard night light.
"We are excited about the science that will be returned from the New Horizons mission," says David L. Taylor, president and CEO of Ball Aerospace. "Imaging Pluto has presented significant technical challenges the team has addressed with the powerful digital imaging capabilities built into Ralph."
Ralph was designed to study the surface geology of Pluto and obtain maps of the surface features and temperature of the planet. Ralph also was designed to provide images to the spacecraft as part of the navigation system critical to achieving a precise flyby of Pluto and Charon. The small instrument will take images twice daily as New Horizons approaches, flies past and looks back at Pluto. Ralph has seven charge-coupled devices and an infrared array detector. They will provide color and black-and-white maps of the surface with a resolution of 250 meters (820 feet) per pixel, as well as map the presence of nitrogen, methane, carbon monoxide, water and other materials across the surfaces of Pluto and its moons.
Ralph is a joint project between Southwest Research Institute (SwRI), Ball Aerospace and NASA's Goddard Space Flight Center. SwRI's Dr. S. Alan Stern is the principal investigator for the New Horizons mission. The Applied Physics Laboratory at Johns Hopkins University is managing the mission for NASA and built the New Horizons spacecraft.
After its launch, New Horizons is expected to provide a closer look at Jupiter in February 2007. After traveling more than 3 billion miles, the mission is expected to reach the distant Pluto and Charon in July 2015.
Ball Aerospace celebrates its 50th year in business in 2006. The company began building pointing controls for military rockets in 1956, and later won a contract to build one of NASA's first spacecraft, the Orbiting Solar Observatory. Over the years, the company has been responsible for numerous technological and scientific 'firsts.' Ball Aerospace now develops spacecraft, payloads, systems and components for important national missions.
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SOURCE: Ball Aerospace & Technologies Corp.
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Aerospace & Technologies Corp.
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