-=> Quoting Dan Ceppa to James Bradley on 01-23-06  15:19 <=-

 JB>> ... Galileo did NOT invent t/telescope, or f/propose the earth
 JB>> circled the sun
 DC>> Huygens, I think.  And Copernicus for the later.
 JB> Sounds about right for the first part, but I think it is spelt with a
 JB> C*u*p on the second. Don't quote me on that though. <-;
 DC> You're right on the spelling.  
 
Actually YOU were right on the spelling.  It is* Copernicus.

But it WAS Galileo that invented the astronomical telescope, in 1609. 
He also discovered pendulum motion (1581), which Huygens used to invent
the pendulum clock in 1656.  The reflecting telescope was invented in
1668 by Isaac Newton.

 DC>> ... Loevenhoek out, and someone will bite.
 JB> I'll bite, who's Leovenhoek?
 DC> He used a telescope as a microscope.
 
And discovered bacteria and spermatozoa swimming around (1683).

Are you sure he used a telescope rather than a microscope, though? 
There were* microscopes around then, the compound microscope invented in
1590 by Jannsen, and the double convex microscope in 1611 by Kepler.  I
don't remember what the resolution on them was, though.

ttyl         neb

... When I erase a word with a pencil, where does it go?

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