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solar sailfrom Yahoo AnswersFriday, 3rd Feb 2012 - 7:02 pm I am doing a hypothetical Mercury Mission and was wondering if anyone had any information about what I could use to measure the pressure of Solar Winds. Maybe you could answer what you know:
a) What is the name of the device I have to use? (barome... Monday, 16th Jan 2012 - 5:01 pm How do photons go through eachother with out messing up the image?
Like when I turn on the light in my room, light goes out in all directions and everything that reflects light reflects light in all directions and the light gets re reflected over an... Saturday, 14th Jan 2012 - 10:01 am There is increasing interest in developing solar sails that can be used on spacecraft. Such sails, if perfected for use, could greatly reduce the size and weight of such craft and could theoretically make it possible a trip to the nearest star in 40 ... Friday, 13th Jan 2012 - 3:01 pm NanoSail-d is also know as nano Satellite d and is part of the group Solar Sails !!!... Friday, 13th Jan 2012 - 12:01 pm solar sails as spacecraft propulsion system? how fast are they can the reach light speed or close to it and how long would it take a ship powered by solar sail to reach the nearest star?
has any scientist ever considered using a particle accelerat... Wednesday, 11th Jan 2012 - 3:01 pm A solar sail is made of aluminized Mylar having an emissivity of 0.03 and reflecting 92% of the light that falls on it. Suppose a sail with area 1.28 km2 is oriented so that sunlight falls perpendicular to its surface with an intensity of 1.40 103 W... Wednesday, 4th Jan 2012 - 8:01 am I know its a couple of years left till its going to implode and die.
But if mankind wont kill eachother we would have to escape our solarsystem and either build a colony-ship or set sail to another universe/solar-system.
And since it is x billion y... Saturday, 17th Dec 2011 - 12:12 am I know that the force equations for light are F = 2IA/c for total reflection and F=IA/c for total absorption. Since black absorbs light and white reflects it doesn't that mean that solar sails should be white? Clearly I am missing something here... Saturday, 10th Dec 2011 - 6:12 am So to those unaware - "gliese 581 d" and "gliease 370 b"(known in alternative names...) are 2 planets recently discovered - and they may host life.. that is...alien life. For more info: http://en.wikipedia.org/wiki/HD_85512_b
Now..this got me thin... Sunday, 4th Dec 2011 - 8:12 pm So, a planet in the Alpha Centauri star system is discovered and it is completely compatible with terrestrial life and has life of it's own. You are chosen to make a plan to colonize it. Humanity has put their trust in you and give you pretty mu... |
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