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Dr. James Green's Presentation to the Planetary Science Subcommittee

Published: March 16, 2011

Planetary Science Division Update by Planetary Science Division Director Dr. James Green.

Planetary Science Division Update by Planetary Science Division Director Dr. James Green

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Mariner 10 on the Launch Pad
This "super-resolution” view of asteroid Bennu was created using eight images obtained by NASA’s OSIRIS-REx spacecraft. 
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Charcoal briquette-shaped asteroid.
Asteroid Bennu from 205 miles
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Deep Space 1 spacecraft at a distance of 2.3 million miles (3.7 million kilometers) from Earth.
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On Mars the seasonal polar caps are composed of dry ice (carbon dioxide). 
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A simplified visualization of Saturn's magnetic field, or magnetosphere.
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Saturn's Magnetic Field (Magnetosphere)
This image of asteroid 2015 TB145, a dead comet, was generated using radar data collected by the National Science Foundation's 1,000-foot (305-meter) Arecibo Observatory in Puerto Rico. The radar i...
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Chuck Berry (left) and Carl Sagan (right) at a Voyager 2 Neptune flyby celebration in August 1989.
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This image of a detached large block from Urvara Craters rim was obtained by NASAs Dawn spacecraft on July 16, 2018 from an altitude of about 35 miles (56 kilometers).
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Large Block Detached from Urvara Crater's Rim
Large Block Detached from Urvara Crater's Rim
This image of a complex pattern on the floor of Occator Crater was obtained by NASAs Dawn spacecraft on July 16, 2018 from an altitude of about 58 miles (93 kilometers).
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Complex Pattern on the Floor of Occator Crater
Complex Pattern on the Floor of Occator Crater
This image of the base of Occator Craters eastern wall next to the Vinalia Faculae was obtained by NASAs Dawn spacecraft on July 23, 2018 from an altitude of about 84 miles (135 kilometers).
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Base of Occator Crater's Eastern Wall Next to the Vinalia Faculae
Base of Occator Crater's Eastern Wall Next to the Vinalia Faculae
This image of a large block along the ridge of Urvara Crater was obtained by NASAs Dawn spacecraft on July 24, 2018 from an altitude of about 36 miles (58 kilometers).
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Large Block Along the Ridge of Urvara Crater
Large Block Along the Ridge of Urvara Crater
This image of a fracture pattern on the floor of Occator Crater was obtained by NASAs Dawn spacecraft on July 25, 2018 from an altitude of about 87 miles (140 kilometers).
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Fracture Pattern on the Floor of Occator Crater
Fracture Pattern on the Floor of Occator Crater
This image of a fracture network on the floor of Occator Crater was obtained by NASAs Dawn spacecraft on July 26, 2018 from an altitude of about 94 miles (152 kilometers).
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Fracture Network on the Floor of Occator Crater
Fracture Network on the Floor of Occator Crater
This image of deep fractures in Occator Crater was obtained by NASAs Dawn spacecraft on July 31, 2018 from an altitude of about 31 miles (50 kilometers).
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Deep Fractures in Occator Crater
Deep Fractures in Occator Crater
This image of mass wasting features along Occator Craters rim was obtained by NASAs Dawn spacecraft on August 2, 2018 from an altitude of about 130 miles (210 kilometers).
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Mass Wasting Features Along Occator Crater's Rim
Mass Wasting Features Along Occator Crater's Rim
This image of Occator Crater on Ceres limb -- long exposure -- was obtained by NASAs Dawn spacecraft on August 14, 2018 from an altitude of about 1149 miles (1849 kilometers).
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Occator Crater on Ceres' Limb -- Long Exposure
Occator Crater on Ceres' Limb -- Long Exposure
This image of Occator Crater on Ceres limb -- short exposure -- was obtained by NASAs Dawn spacecraft on August 14, 2018 from an altitude of about 1149 miles (1849 kilometers).
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Occator Crater on Ceres' Limb -- Short Exposure
Occator Crater on Ceres' Limb -- Short Exposure

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