Recent content by BrianJ.

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    Ethical Dilemma: Killing in War - Justifiable or Murder?

    "He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would fully suffice. This disgrace to civilization should be done away with at once. Heroism at command, senseless brutality, deplorable...
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    Titan Surface Probe: Cassini Flyby & Huygens Descent

    I found this quite helpful... http://www.rssd.esa.int/SB-general/Projects/Huygens/Mission/Huygens.html I believe Huygens' arrival at Titan will now be mid-January 2005 due to rescheduling of the mission. The reason for rescheduling is quite interesting in itself, I'll try to find links...
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    Discover the JNow RA and Dec of L4 and L5 in the Sun/Earth System

    Hi, interesting question, can't find any references on the web, so here's a couple of thoughts... My understanding of the Earth/Sun L4 & L5 points is that they lie on the Earths orbit with the lines linking them to the Sun making 60° angles with the Earth-Sun line. So Earth/Sun/L4 and...
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    Are There "Moons of Moons" in the Solar System?

    Thanks so much for your thoughts! I guess I'm asking a 4-body problem here...complicated stuff (for me, anyway :smile: ). Thanks for link to Hill Sphere formula and also the orbit simulations - very interesting. I know some (or at least 1, Ida/Dactyl) asteroids have moons, but I was thinking...
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    Are There "Moons of Moons" in the Solar System?

    Greetings all :smile: This seems like a good place to ask a question that's been rolling around my head for a while... 1. To my knowledge there are no "moons of moons" within the Solar Sytem - no natural satellites of any of the moons of Earth,Mars,Jupiter,Saturn,Uranus, Neptune or Pluto...
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