is transparent. ERAU Astronomical Observatory. Meade 12.375 inch Schmidt Cassegrain Reflecting Telescope. Ground Based Telescopes. Optical Infrared Radio. Refracting Telescope. Refractors Tend to be long…. Reflecting Telescope Designs. Reflecting Telescopes are Compact….
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Ground Based Telescopes
Reflecting Telescope Designs
Reflecting Telescopes are Compact….
A Prism Spectrograph
A Modern Spectrograph
An Electronic Imaging Camera called a CCD
Angular Resolution depends on two things…
1. The wavelength of light : (in meters)
2. The size of the telescope mirror (or dish) : D (in meters)
= 2.5 x 105 /D
is the angular resolution in arcseconds
A Radio telescope “dish”
The Very Large Array (VLA) in New Mexico
No atmospheric blurring in space….
Spitzer Space Telescope
Chandra X-Ray Observatory
Compton Gamma-Ray Observatory
The sky at five different wavelengths
c - Infrared
d - X-ray
e - Gamma ray