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The two small spacecraft GRAIL A (Ebb) and GRAIL B (Flow) [6] [7] were launched on 10 September 2011 aboard a single launch vehicle: the most-powerful configuration of a Delta II, the 7920H-10. [ 1 ] [ 8 ] [ 9 ] GRAIL A separated from the rocket about nine minutes after launch, GRAIL B followed about eight minutes later.
Header of the Discovery Program website (January 2016) [1] Depictions of the Lucy and Psyche missions Asteroid Eros regolith, as viewed by Discovery's NEAR Shoemaker mission The Discovery Program is a series of Solar System exploration missions funded by the U.S. National Aeronautics and Space Administration (NASA) through its Planetary Missions Program Office.
[135] [136] [137] Per-mission cost for the first contract extension (missions 7, 8, and 9) is $258.7 million ($64.6 million/seat), and per-mission cost for the second contract extension (missions 10 through 14) is $288 million ($72 million/seat).
The new map, created by the Gravity Recovery and Interior Laboratory (GRAIL) mission, is allowing scientists to learn about the moon's internal structure and composition in unprecedented detail. Data from the two washing machine-sized spacecraft also will provide a better understanding of how Earth and other rocky planets in the solar system ...
The prime mission is a funding period that may be followed by a post-prime mission (a "mission extension"). A post-prime mission is budget that is not allocated at the time of the prime mission, however by necessity the equipment for the post-prime mission may be designed and built into the project from the start. [3]
FreeFlyer has been used to support many spacecraft missions, for mission planning analysis, operational analysis, or both. Specific mission examples include the International Space Station (ISS), [ 7 ] the JSpOC Mission System, [ 8 ] the Earth Observing System , [ 9 ] [ 10 ] Solar Dynamics Observatory (SDO), [ 11 ] and Magnetospheric Multiscale ...
Delta-v in feet per second, and fuel requirements for a typical Apollo Lunar Landing mission. In astrodynamics and aerospace, a delta-v budget is an estimate of the total change in velocity (delta-v) required for a space mission. It is calculated as the sum of the delta-v required to perform each propulsive maneuver needed during
As a federal agency, the National Aeronautics and Space Administration receives its funding from the annual federal budget passed by the United States Congress.The following charts detail the amount of federal funding allotted to NASA each year over its history to pursue programs in aeronautics research, robotic spaceflight, technology development, and human space exploration programs.