JPL-20170515-NEOWISf-0001-Three Years of NEOWISE Survey Data

NASA’s asteroid hunting NEOWISE survey uses infrared to detect and characterize asteroids and comets. Animation shows the 114 near-Earth objects and 693 other objects characterized by the mission since the WISE mission (decommissioned in February 2011) was recommissioned as NEOWISE in December 2013.

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At Launch Pad 17-A, Cape Canaveral Air Station, a worker (left) runs a wire through a mounting hole on the second stage of a Boeing Delta II rocket in order to affix an external video camera held by the worker at right. The Delta II will launch the Stardust spacecraft on Feb. 6. Looking toward Earth, the camera will record the liftoff and separation of the first stage. Stardust is destined for a close encounter with the comet Wild 2 in January 2004. Using a silicon-based substance called aerogel, Stardust will capture comet particles flying off the nucleus of the comet. The spacecraft also will bring back samples of interstellar dust. These materials consist of ancient pre-solar interstellar grains and other remnants left over from the formation of the solar system. Scientists expect their analysis to provide important insights into the evolution of the sun and planets and possibly into the origin of life itself. The collected samples will return to Earth in a sample return capsule to be jettisoned as Stardust swings by Earth in January 2006

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At Launch Pad 17-A, Cape Canaveral Air Station, a Boeing Delta II rocket is poised for liftoff after tower rollback. Umbilical lines (at top) still attached to the fixed utility tower (at right) feed electricity, air conditioning and coolants for the Stardust spacecraft inside the fairing (enclosing the upper stage) before launch. The targeted launch time is 4:06 p.m. EST. Stardust is destined for a close encounter with the comet Wild 2 in January 2004. Using a silicon-based substance called aerogel, Stardust will capture comet particles flying off the nucleus of the comet. The spacecraft also will bring back samples of interstellar dust. These materials consist of ancient pre-solar interstellar grains and other remnants left over from the formation of the solar system. Scientists expect their analysis to provide important insights into the evolution of the sun and planets and possibly into the origin of life itself. The collected samples will return to Earth in a sample return capsule to be jettisoned as Stardust swings by Earth in January 2006

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In the Payload Hazardous Servicing Facility, media representatives, dressed in protective suits, are updated by Project Manager Richard Grammier (center, top), with the Jet Propulsion Laboratory, about the Stardust spacecraft (in the background). Stardust is targeted for launch on Feb. 6 aboard a Boeing Delta II rocket from Launch Pad 17-A, Cape Canaveral Air Station. The spacecraft is destined for a close encounter with the comet Wild 2 in January 2004. Using a silicon-based substance called aerogel, Stardust will capture comet particles flying off the nucleus of the comet. The spacecraft also will bring back samples of interstellar dust. These materials consist of ancient pre-solar interstellar grains and other remnants left over from the formation of the solar system. Scientists expect their analysis to provide important insights into the evolution of the sun and planets and possibly into the origin of life itself. The collected samples will return to Earth in a sample return capsule (the white-topped, blunt-nosed cone seen on the top of the spacecraft) to be jettisoned as Stardust swings by Earth in January 2006