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The Doctrine of Hell and Missions. Don Fanning. Liberty University, dfanning@ www.farmersmarketmusic.com Follow this and additional works at: www.farmersmarketmusic.com . There is a lesson implicit in these findings that I would like to draw out for the sake of the eternal fruitfulness of missions as well as her power to.
At the time, NASA was making no progress with solar sails, and was unwilling to commit to solar electric propulsion. For Mercury advocates, there was little reason to hope for a possible mission.
But the situation was about to change. He crunched the numbers for a range of launch windows and trajectories and demonstrated that it was possible to launch a spacecraft toward Mercury and by doing multiple flybys of the planet, combined with small propulsive maneuvers, put a relatively small spacecraft into orbit.
Although the flight times were relatively long, on the order of three to five years, the benefit of this approach was that it was possible to place a larger payload into Mercury orbit than previous options. Even better, these trajectories could use the inexpensive and venerable Delta II launch vehicle. In , ESA conducted a preliminary Mercury orbiter study. Clearly, interest in Mercury was heating up. The team outlined the science goals for any new mission to Mercury.
The group also defined a basic mission to Mercury. The science objectives included both planetology and magnetospheric physics.
The physics objectives were to study how particles from the Sun behaved on both the day side and night side of Mercury. Other goals included studying solar flare processes producing neutron and gamma ray emissions, solar energetic particle acceleration, origins of the solar wind and interplanetary magnetic field, and coronal mass ejections and stream structure in the inner solar system.
An astrophysics goal was to study significant improvement in relativity parameters and the solar gravity field. To accomplish these science goals, the mission would require two nearly identical spacecraft launched on a single rocket.
The strawman spacecraft was an octagon with two small solar panels on each of four of its sides capable of providing watts at Mercury. These panels could fold up to partially cover the spacecraft and control heating. The spacecraft would also be protected by forty layers of thermal wrap and spin at 10 rpm, with the spin axis perpendicular to Sun direction so that no side faced the sun for long.
The spacecraft dry mass would be kilograms, with 1, kilograms of fuel. This would result in a total of 5, kilograms injected mass—two spacecraft plus a kilogram launch vehicle adapter. This added up to a very heavy mission.
By comparison, each Viking orbiter and lander pair weighed 3, kilograms. The flight time could be a minimum of three years and a maximum of six depending upon how many Mercury flybys were required before orbital insertion. The mission would emphasize magnetosphere survey for the first two Mercury years and planetary imaging for the second two.
The two spacecraft would enter different orbits, with one in a kilometer hour polar orbit and the second in a very loose equatorial orbit, eventually changed to a polar orbit similar to the other spacecraft. The mission assumed launch options in , , , , m and The Goddard study was conducted when NASA still conceived of planetary missions as large and comprehensive, and the dual-spacecraft mission with a mass far greater than Viking was big even for the time.
Titan IV Centaurs were expensive rockets, and there are reports that the Goddard team even considered using a shuttle launch. But there simply was not sufficient scientific or political support for such a mission in the early s.
Fortunately, another option had emerged. Several teams proposed Mercury missions:.
Mallcu would carry only a few instruments. The Mercury version would be smaller to prevent overheating of large aperture optics so close to the Sun.
The science objectives included both planetology and magnetospheric physics. Both were based on the TRW Eagle small spacecraft bus. Then pull the roaming patrol away from the portals. Several teams proposed Mercury missions:. The two spacecraft would enter different orbits, with one in a kilometer hour polar orbit and the second in a very loose equatorial orbit, eventually changed to a polar orbit similar to the other spacecraft. Been playing since after the maintenence with my Cabal bud, aint seen it once. The spacecraft would have a dry mass of kilograms and an injected mass of kilograms.
Other instruments would include a magnetometer and a camera. Mallcu would have an unusual thermal protection system, deploying two large shades, looking sort of like parasols, on either side of the spacecraft.
Made of beta cloth, one would shield from the Sun, the other would shield from sunlight reflected by Mercury. The spacecraft would enter a hour polar orbit around Mercury with a low point of kilometers and a high of 15, kilometers.
The spacecraft would use a shade and passive radiation to stay cool. Hermes would carry a visible camera, laser, laser detector unit, UV spectrometer and magnetometer. The Mercury Field and Surface Dynamics mission would have used only one spacecraft instead of two, and launched on a Delta II rocket, but other details are unavailable. Paul Spudis of the Lunar and Planetary Institute proposed a Mercury Polar Flyby mission that would fly past the planet two or three times, approximately every six months, making observations of its poles, which were suspected of containing water ice.
The primary science questions were to determine if the polar caps are composed of water ice and to measure the temperature, extent, and purity of the polar ice. The spacecraft would also seek to answer the geology of Mercury. The minimum requirement was for one polar pass and one equatorial pass. The spacecraft would have a dry mass of kilograms and an injected mass of kilograms.
It too would use a Delta launch vehicle. According to Spudis, these design features were proven on Mariner Home Discussions Workshop Market Broadcasts. Inquisitor - Martyr Store Page. According to posts in this forum, there are cabals that have already completed 10 or more of these missions. So far, I have not even seen a single one of these mission available to play. Could someone from Neocore please come here and explain what is going on please? Showing 1 - 15 of 31 comments.
Apparently when you play a few games as a group of 4 you hit them every 4th or 5th game. If you only have a 2 or 3 man squad its longer. The cpu adds them into a set mission. Last edited by PooF ; 22 Jun 4: Good question, you beat me to it You will see the scourge in mission as massive mobs with a big red skull as a map marker. I think its a bug because sometime you come across them on solo. Other times on 2 man team the point dosnt get added. I think it only counts with 3 and 4 man teams which i like that idea actually. Been playing since after the maintenence with my Cabal bud, aint seen it once.
Originally posted by PooF:.