MAVEN development to orbit insertion |
MAVEN development to orbit insertion |
Jul 30 2012, 02:31 PM
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Junior Member Group: Members Posts: 60 Joined: 22-October 04 Member No.: 102 |
Not sure if this has been touched on before, I did not see a place for the MAVEN mission on the Past or Future missions subsection.
1)Will MAVEN have the ability to relay communication from the surface vehicles to Earth? 2)Am I correct in reading there are no visual cameras on MAVEN? Fair Use. http://lasp.colorado.edu/home/maven/scienc...rument-package/ The Particles and Fields Package, built by the University of California, Berkeley/Space Sciences Laboratory (SSL) with support from the University of Colorado Boulder/Laboratory for Atmospheric and Space Physics (LASP) and Goddard Space Flight Center (GSFC), contains six instruments that will characterize the solar wind and the ionosphere of the planet: •Solar Wind Electron Analyzer (SWEA) •Solar Wind Ion Analyzer (SWIA) •Suprathermal and Thermal Ion Composition (STATIC) •Solar Energetic Particle (SEP) •Langmuir Probe and Waves (LPW) •Magnetometer (MAG) The Remote Sensing Package, built by LASP, will determine global characteristics of the upper atmosphere and ionosphere via remote sensing. •Imaging Ultraviolet Spectrometer (IUVS) The Neutral Gas and Ion Mass Spectrometer (NGIMS), provided by GFSC, will measure the composition and isotopes of neutral ions. Apologies in advance if this has already been answered. (btw I think we do need a MAVEN sticky in future missions) John (Mars) |
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Apr 10 2013, 10:17 PM
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Senior Member Group: Members Posts: 3419 Joined: 9-February 04 From: Minneapolis, MN, USA Member No.: 15 |
This, of course, would not be the first time a Mars probe has had some kind of "trim flaps" at the tips of its solar panels, and the reasoning was similar, if not exactly the same.
Mariners 3 and 4 (of which only Mariner 4 survived launch) had small triangular trim tabs at the ends of its solar panels. This was not for aerodynamics, but for pressure dynamics. They were used to take advantage of the pressure of the solar wind to help keep the spacecraft stable. IIRC, the stabilizing force was so minuscule that follow-on probes omitted this kind of feature. They weren't worth the weight penalty. Now that we're dealing with much thicker gasses than the solar wind (with aerobraking maneuvers), adding stabilizing tabs apparently becomes worth the weight penalty. -the other Doug -------------------- “The trouble ain't that there is too many fools, but that the lightning ain't distributed right.” -Mark Twain
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Apr 11 2013, 05:15 AM
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Senior Member Group: Members Posts: 1729 Joined: 3-August 06 From: 43° 35' 53" N 1° 26' 35" E Member No.: 1004 |
Mariners 3 and 4 (of which only Mariner 4 survived launch) had small triangular trim tabs at the ends of its solar panels. This was not for aerodynamics, but for pressure dynamics. They were used to take advantage of the pressure of the solar wind to help keep the spacecraft stable. the Mariner sails, just like solar sails (IKAROS etc) exploit the radiation pressure of solar photons, which has nothing to do with the solar wind |
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