The top 5 astronomical discoveries of all time (so far)
- GCoyote
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The top 5 astronomical discoveries of all time (so far)
Any metaphor will tear if stretched over too much reality.
Gary C
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Gary C
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Re: The top 5 astronomical discoveries of all time (so far)
I think I'd have left off Black Holes and included the discovery that Stars are mostly made of Hydrogen and Helium. It's less than 100 years since Cecilia Payne submitted her PhD thesis that correctly used the intensity of the Spectral Lines in the sun and Saha's theory of ionisation to determine that the Sun's composition is 75% Hydrogen and most of the rest being Helium.
Previously, astronomers had overestimated the presence of heavier elements owing to their relative dominance in the Solar Spectrum
Previously, astronomers had overestimated the presence of heavier elements owing to their relative dominance in the Solar Spectrum
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Re: The top 5 astronomical discoveries of all time (so far)
That's a good read Gary.
Paul Sutter did a similar podcast, which was, also good.
Graeme
Paul Sutter did a similar podcast, which was, also good.
Graeme
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Re: The top 5 astronomical discoveries of all time (so far)
Very good read. Thanks for finding and sharing that!
Joe
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Re: The top 5 astronomical discoveries of all time (so far)
thx for the link .
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“Your assumptions are your windows on the world. Scrub them off every once in a while, or the light won't come in.”
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Jean-Yves
REFRACTOR , TS-Optics Doublet SD-APO 125 mm f/7.8 . Lunt 80mm MT Ha Doublet Refractor .
EYEPIECES, Delos , Delite and 26mm Nagler t5 , 2 zoom Svbony 7-21 , Orion Premium Linear BinoViewer .
FILTER , Nebustar 2 tele vue . Apm solar wedge . contrast booster 2 inches .
Mounts , cg-4 motorized , eq6 pro belt drive .
“Your assumptions are your windows on the world. Scrub them off every once in a while, or the light won't come in.”
― Isaac Asimov
Jean-Yves
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