NASA to crash two probes into the moon Monday
This graphic highlights locations on the moon NASA considers "lunar heritage sites" and the path NASA's Gravity Recovery and Interior Laboratory spacecraft will take on their final flight. Image released Dec. 13, 2012. NASA/JPL-Caltech Two NASA moon probes will end their gravity-mapping mission in spectacular fashion Monday, crashing intentionally into a cliff near the lunar north pole. The twin Grail spacecraft, known as Ebb and Flow, will slam into the raised rim of a moon crater at 5:28 p.m. EST (2258 GMT) Monday, mission team members said Thursday. The probes will impact about 20 seconds apart, with each traveling at 3,760 mph or so. The crash zone is far from any area where previous moon missions — such as NASA's Apollo efforts — touched down, so Grail's final moments won't endanger sites of historical importance, officials said.
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Maria Zuber
Overall Sentiment: 0.317166
Relevance: 0.794951
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| 0.0710865 | "This is all according to plan," Zuber said. ... |
| 0 | "washer-and-dryer-size spacecraft with empty fuel tanks," Zuber said. ... |
| 0 | "washer-and-dryer-size spacecraft with empty fuel tanks," Zuber said. "So we're not expecting a flash that is visible from Earth." |
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David Lehman
Overall Sentiment: 0.592612
Relevance: 0.311437
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| 0.693118 | "They're going to be completely blown apart at the time," said Grail mission manager David Lehman ... |
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Facility: Lunar Reconnaissance Orbiter
Overall Sentiment: -0.0336766
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City: Pasadena
Overall Sentiment: 0.102262
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Organization: NASA
Overall Sentiment: 0.207038
Relevance: 0.76575
Disambiguation: Company | GovernmentAgency | AirportOperator | AwardPresentingOrganization | SoftwareDeveloper | SpaceAgency | SpacecraftManufacturerReferences:
Organization: MIT
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Company: rim
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Two NASA moon probes will end their gravity-mapping mission in spectacular fashion Monday, crashing intentionally into a cliff near the lunar north pole.
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NASA to crash two probes into the moon Monday
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- earth
- grail mission
- gravity recovery and interior laboratory
- Jet Propulsion Laboratory
- lunar reconnaissance orbiter
- NASA
- orbit
- solar system
- the time
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