"Zeljko Krolo" <zeljko@krolo.fsworld.co.uk> wrote in message
news:cfpvei$2rm$1@newsg1.svr.pol.co.uk...

"Eric Albers" <eric@ericalbers.com> wrote in message
news:cf4c422.0408151419.5aabf13@posting.google.com...

Since we know that stars are excellent at being seen from very far
away, would a civilization slightly more advanced use some kind of
modulation on their star to send a message out?

While this may seem silly, as even a 10km x 10km shutter is very tiny
relative to the size and surface area of our star, what size would be
needed to be easily detected from afar?

We are already measuring the 'wobble' of stars to infer a planets
existance, could a toggling of the stars brightness, albeit a tiny
one, or one in only a narrow frequency band, be a more effective means
of transmission, given that effective is partially defined as 'easily'
seen/interpreted?

Eric Albers

e r i c at ericalbers dot com

Before  calculating  anything, you  should  know  in  which  direction
you  would  send  the  message  (modulation)?, or  how  many
possible  destinations  X  that  many  shutter's !

Jacob

Didnt I see this idea used on the last season of Star Trek Voyager? I mean I
dont mean to sound like Im getting all my science ideas from science fiction
but I do know that alot of science fiction has been based on science fact
and Gene Rodenberry was a science visionary in my eyes, but thats for
another debate all together. Anyway, seems like I saw the idea of using a
star as a communication method in order for Starfleet to reach the Voyager
in the Delta quadrant. The story went that Lt. Barkley had the idea that
they could bounce a signal of a star or a star cluster and point the signal
towards the Delta quadrant so the Voyager could recieve it. Just thought I'd
put my thoughts in about this subject.