Sunday 28 April 2013

CONCEPT - Sailing the interstellar wind

I was in a reflective mood the last couple of days, so I day dreamed myself out of the solar system, and set myself adrift on the winds of deep space; a silent lonely drift, but a perfectly peaceful one where you could enjoy the beautiful universe undisturbed for all eternity.

It is the case that as I write, Voyager 1 and Voyager 2 are in the process of crossing the Heliopause, the point at which the solar wind is overcome by the prevailing forces produced by the the stars and cosmic rays. Although arguments continue as to what degree if at all the craft have finally crossed it, this is regarded as the edge of the solar system, the beginning of deep, endless space.

And how would I like to explore it.

Of course, I cannot, but I dreamed up a vehicle that could. It would perhaps launch and journey outward like a Voyager, designed to produce high end science of whichever solar system bodies it encounters, and powered by an ion drive for long term thrust.

But as it crossed the Heliopause, marked by a change in "wind" direction and an increase in galactic cosmic rays, the nature of the craft would change. A set of gigantic, charged particle sensitive sails would emerge, thrust would be turned off, and the craft would use the gentle thrust of the prevailing radiation to sail down stream, out into interstellar space. It would feature a longer lasting nucelar power source than the Voyagers, enabling a more powerful transmitter to be used, enabling earth to remain in contact longer with the craft and perhaps the sails could be used to harness the power of cosmic rays and the solar wind to provide a little extra power.

And on and on, until the end of time, shall the interstellar ship sail upon the galactic trade winds, perhaps with my ashes upon it. Who knows?

Copyright Bloody Mulberry 28/04/13

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