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William Donohue
Attended Ithaca College
Lives in Geneva, IL
349 followers|100,217 views
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William Donohue

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As seen on #Cosmos: Studying Light

Light waves across the electromagnetic spectrum behave in similar ways. When a light wave encounters an object, they are either transmitted, reflected, absorbed, refracted, polarized, diffracted, or scattered depending on the composition of the object and the wavelength of the light.

Specialized instruments onboard NASA spacecraft and airplanes collect data on how electromagnetic waves behave when they interact with matter. These data can reveal the physical and chemical composition of matter.

Seen here is a sample of telescopes (operating as of February 2013) operating at wavelengths across the electromagnetic spectrum. Several of these observatories observe more than one band of the EM spectrum, and those are placed within the band of their primary instrument(s).

The represented observatories are: HESS, Fermi and Swift for gamma-ray, NuSTAR and Chandra for X-ray, GALEX for ultraviolet, Kepler, Hubble, Keck (I and II), SALT, and Gemini (South) for visible, Spitzer, Herschel, and Sofia for infrared, Planck and CARMA for microwave, Spektr-R, Greenbank, and VLA for radio.

Image credit: NASA
#nasa #light #emspectrum #space #univserse

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Really well done promo. #DIY   #makerspace   #STEM  
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William Donohue

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William Donohue changed his profile photo.

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:)
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Have him in circles
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William Donohue

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For future reference and pointing-people-at.
 
As the source for all beings is OMNISCIENCE, we must understand that if we TAP this source effectively then accomplishing our goals is a definite. Always think with a CLEAR HEAD and never navigate through your EMOTIONS! Don't cloud your movements! Breathe Life and Love Daily! with +Cheryl Clarke 
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William Donohue

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Time to open the aperture doors on the PayPal account again, for #SCIENCE  
 
Something scientific this way comes. Are you ready?
The CosmoQuest 2014 Hangoutathon
Sat, April 26, 11:00 AM

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William Donohue

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Posting this here to remember for future use, and to share.
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William Donohue

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I don't read nearly enough of these.
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William Donohue

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+Thomas Peters - in case you missed this. Winch is at it again.
 
Free trader starship from the Traveller RPG.
I did not make the Free Trader Beowulf mesh, it is from the Google Sketchup repository. I'll make my own mesh presently.
Added insignia, careful use of white textures to correct inadequacies of the Inked Sketch texture, and a nice background.
The idea is to approximate a William Keith illustration.
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I would enjoy meeting him some day.
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Have him in circles
349 people
Chris Dennett's profile photo
Matt Lowry's profile photo
Jeff Wagg's profile photo
Jason Beighel's profile photo
ROB Nelson's profile photo
Mark S.'s profile photo
Leslie Birt's profile photo
Work
Occupation
Electronic Prepress
Employment
  • Electronic Prepress, present
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Geneva, IL
Previously
Pennsylvania
Story
Tagline
AKA Brian, Stage Manager, Vacuum Fluctuation Theatre – Making something from nothing.
Introduction
AKA Brian, Stage Manager, Vacuum Fluctuation Theatre – Making something from nothing. | www.linkedin.com/in/wdonohue/
Education
  • Ithaca College
    Radio & TV / Scriptwriting, 1985 - 1987
  • Broome Community College - SUNY
    Miscellaneous, 1982 - 1985
  • Blue Ridge High School
    College Prep, 1978 - 1982
Basic Information
Gender
Male
Other names
Brian, wdonohue