Space Shuttle Grail (disambiguation) The Gravity Recovery and Interior Laboratory (GRAIL) was an American lunar science mission in NASA's Discovery Program which used high-quality gravitational field mapping of the Moon to determine its interior structure. The two small spacecraft GRAIL A (Ebb) and GRAIL B (Flow) were launched on 10 September 2011 aboard a single launch vehicle: the most-powerful configuration of a Delta II, the 7920H-10. GRAIL A separated from the rocket about nine minutes after launch, GRAIL B followed about eight minutes later. They arrived at their orbits around the Moon 25 hours apart. The first probe entered orbit on 31 December 2011 and the second followed on 1 January 2012. The two spacecraft impacted the Lunar surface on December 17, 2012.
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| rdf:type
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| rdfs:label
| - Gravity Recovery and Interior Laboratory
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| rdfs:comment
| - Space Shuttle Grail (disambiguation) The Gravity Recovery and Interior Laboratory (GRAIL) was an American lunar science mission in NASA's Discovery Program which used high-quality gravitational field mapping of the Moon to determine its interior structure. The two small spacecraft GRAIL A (Ebb) and GRAIL B (Flow) were launched on 10 September 2011 aboard a single launch vehicle: the most-powerful configuration of a Delta II, the 7920H-10. GRAIL A separated from the rocket about nine minutes after launch, GRAIL B followed about eight minutes later. They arrived at their orbits around the Moon 25 hours apart. The first probe entered orbit on 31 December 2011 and the second followed on 1 January 2012. The two spacecraft impacted the Lunar surface on December 17, 2012.
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| sameAs
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| decision date
| - 2011-09-08(xsd:date)
- 2011-09-10(xsd:date)
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| dcterms:subject
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| dbkwik:nasa/proper...iPageUsesTemplate
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| Reason
| - high level winds
- rocket propulsion
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| Organisation
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| Date
| - 2011-09-08(xsd:date)
- 2011-09-09(xsd:date)
- 2011-09-10(xsd:date)
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| Power
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| Webpage
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| Mission Duration
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| Name
| - Gravity Recovery and Interior Laboratory
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| Align
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| Caption
| - Artist's interpretation of the GRAIL tandem spacecraft above the lunar surface
- This animation shows the last three orbits of the spacecraft, with views of the impact site. The impact occurs on the night side of a waxing crescent Moon, so the view shifts from a natural color Moon to a false-color elevation map.
- Ancient rift valleys – closeup .
- Ancient rift valleys – context.
- Ancient rift valleys – rectangular structure .
- Ebb and Flow's final moments.
- GRAIL's final resting spot.
- LRO flies over the north pole of the Moon, where it has a very good view of the GRAIL impact. The second part of this video is the view from LRO through LAMP's slit, showing the impact and the resulting plume.
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| total width
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| Width
| - 300(xsd:integer)
- 614(xsd:integer)
- 1500(xsd:integer)
- 1546(xsd:integer)
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| weathergo
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| NSSDC ID
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| Launch
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| Height
| - 228(xsd:integer)
- 905(xsd:integer)
- 1500(xsd:integer)
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| Below
| - 150(xsd:integer)
- GRAIL mission logo
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| Satellite Of
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| direction
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| header
| - Moon – Oceanus Procellarum
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| Result
| - scrubbed
- Success
- abandoned
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| Image
| - 14(xsd:integer)
- Ebb and Flow's Final Moments.jpg
- GRAIL Impacts the Moon.ogv
- GRAIL's Final Resting Spot.jpg
- LAMP Observes GRAIL Impact.ogg
- PIA18821-LunarGrailMission-OceanusProcellarum-Rifts-Closeup-20141001.jpg
- PIA18822-LunarGrailMission-OceanusProcellarum-Rifts-Overall-20141001.jpg
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| launch site
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| Notes
| - Range was reconfigured for omni antennae instead of tracked ones to support 99 degree azimuth.
- An issue with the rocket's propulsion system was detected while the Delta 2 rocket was drained of fuel.
- A weather balloon was released minutes before the decision point to take the latest readings of upper level winds and Air Force weather reconnaissance aircraft were aloft beginning at 7 am.
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| Mission Type
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| Launch Vehicle
| - Delta II 7920H-10 configuration
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| Orbital Insertion Date
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| Major Contractors
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| abstract
| - Space Shuttle Grail (disambiguation) The Gravity Recovery and Interior Laboratory (GRAIL) was an American lunar science mission in NASA's Discovery Program which used high-quality gravitational field mapping of the Moon to determine its interior structure. The two small spacecraft GRAIL A (Ebb) and GRAIL B (Flow) were launched on 10 September 2011 aboard a single launch vehicle: the most-powerful configuration of a Delta II, the 7920H-10. GRAIL A separated from the rocket about nine minutes after launch, GRAIL B followed about eight minutes later. They arrived at their orbits around the Moon 25 hours apart. The first probe entered orbit on 31 December 2011 and the second followed on 1 January 2012. The two spacecraft impacted the Lunar surface on December 17, 2012.
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