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Updated: July 8th, 2008 05:26 PM CDT

Ball Aerospace Instrument to Give New View of Pluto

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via PRNewswire

CAPE CANAVERAL, Fla., Jan. 15 /PRNewswire-FirstCall/ -- 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.

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