Re: Anyone have an answer?
- From: Mike Williams <nospam@xxxxxxxxxxxxxxxxxx>
- Date: Fri, 11 May 2007 12:12:55 +0100
Wasn't it Lysdexic who wrote:
As one with an interest in astounding facts I hope someone can answer this
question. Hubble's field of view for one particular observation was equated
with the area of a dime at 75 feet, how many of those areas would there be
in the total sky, northern and southern hemispheres? Incidentally, Hubble
identified at least 1,500 galaxies in that observation.
The area of a sphere is 4*pi*r^2, so a sphere radius 75 feet has an area
of 70685.8 square feet.
The area of a circle is 2*pi*r^2, so the area of a US dime is 0.0108434
square feet.
So the total sky sphere is equivalent to 6.5 million dimes.
--
Mike Williams
Gentleman of Leisure
.
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