File:NASA Asteroid Redirect Mission gravity tractor animation.ogv
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NASA_Asteroid_Redirect_Mission_gravity_tractor_animation.ogv (Ogg Theora video file, length 7.6 s, 800 × 450 pixels, 985 kbps, file size: 914 KB)
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English: The asteroid redirect vehicle demonstrates the “gravity tractor” planetary defense technique on a hazardous-size asteroid. The gravity tractor method leverages the mass of the spacecraft to impart a gravitational force on the asteroid, slowly altering the asteroid’s trajectory. The demonstration is conducted after capturing the boulder and is referred to as the “enhanced gravity tractor” because the additional mass of the boulder enhances the force that can be transmitted to the asteroid. |
| Date | |
| Source | http://www.nasa.gov/content/asteroid-redirect-mission-planetary-defense-demonstration/ (image link) |
| Author | NASA |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:21, 30 March 2015 | 7.6 s, 800 × 450 (914 KB) | Huntster (talk | contribs) | {{Information |Description={{en|1=The asteroid redirect vehicle demonstrates the “gravity tractor” planetary defense technique on a hazardous-size asteroid. The gravity tractor method leverages the mass of the spacecraft to impart a gravitational f... |
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