View Full Version : Discussion: Book Review: Big Dish

2005-Mar-30, 05:48 PM
SUMMARY: Have you ever replaced the light bulb inside your fridge? Take a look next time. It draws about 25 watts of power. Now imagine this bulb on a spacecraft somewhere around Neptune and it's flashing madly away, trying to send a signal back to Earth. Somehow we need to see these flashes. Sound impossible? Well almost, but Douglas Mudgway in his book Big Dish describes the system, in particular the antenna sites, that was put into place to capture just this type of signal.

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