Adv space res

    • [PDF File]Author Manuscript NIH Public Access a, b, Craig R ...

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      observations: A concerning issue of Space Geodesy”, Adv. Space Res., 60, 948-968, 2017, doi: 10.1016/j.asr.2017.05.016. Data from Jason-2/T2L2 reveal the behavior of the DORIS USO, and unmodeled effects on the DORIS/USO frequency, e.g. due to passage through the South Atlantic Anomaly (SAA), attitude changes, and USO temperature changes.

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    • [PDF File]A Dynamic Fountain Model for Lunar Dust - NASA

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      Space Center, FL, USA began initial operation in 1987, with its first full stand production test in 1988 (Prince and Knott, 1989; Wheeler et al., 1996). The chamber pro-vided 20 m2 of growing area inside an atmospherically closed volume of 113 m3, which allowed testing of candi-date crops for space life support systems. The intent of

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    • [PDF File]Crop productivities and radiation use efficiencies for ...

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      the NASA Office of Space Science, changes had to be made in the structure of the mission. A proposal to con-centrate the prime mission on Vesta and defer Ceres to an extended mission was denied so the stay time at each body was lessened. Other savings accrued when the spacecraft contractor agreed to forego its fee and when

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    • Advances in Space Research - Wikipedia, the free encyclopedia

      Stubbs, T.J., et al. , A dynamic fountain model for lunar dust, Adv. Space Res. , in press, 2005. 5 The first parameter we need to calculate is the electrostatic surface potential, φS, and we do this using the method and equations given in Manka (1973).

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    • [PDF File]Dawn Discovery mission to Vesta and Ceres: Present status

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      National Aeronautics and Space Administration Peer-Reviewed Journal Publications 1. Liou, J.-C. et al., LEGEND – A three-dimensional LEO-to-GEO debris evolutionary model Adv Space Res 34 5 981 -986 2004 (LEGEND and LEGEND Applications). Adv. Space Res. 34, 5, 981 986, 2004. 2. Liou, J.-C. and Johnson, N.L., A LEO satellite postmission ...

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    • [PDF File]Orbital Debris and Future Environment Remediation

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      Adv Space Res. Author manuscript; available in PMC 2008 December 10. NIH-PA Author Manuscript. dependent cellular processes under micro-g. The PC12 cell line and its molecular machinery is well characterized in its response to oxygen (both high and low oxygen environments), and

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