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is transparent ERAU Astronomical Observatory Meade 12.375 inch Schmidt Cassegrain Reflecting Telescope.

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Presentation on theme: "is transparent ERAU Astronomical Observatory Meade 12.375 inch Schmidt Cassegrain Reflecting Telescope."— Presentation transcript:

1

2 is transparent

3 ERAU Astronomical Observatory

4 Meade 12.375 inch Schmidt Cassegrain Reflecting Telescope

5 Ground Based Telescopes Optical Infrared Radio

6 Refracting Telescope

7 Refractors Tend to be long….

8 Reflecting Telescope Designs

9 Reflecting Telescopes are Compact….

10 A Prism Spectrograph

11 A Spectrum

12 A Modern Spectrograph

13 An Electronic Imaging Camera called a CCD

14 Angular Resolution

15 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 10 5 /D  is the angular resolution in arcseconds

16 A Radio telescope “dish”

17 The Very Large Array (VLA) in New Mexico

18 Atmospheric Blurring

19 No atmospheric blurring in space….

20 is transparent

21 Spitzer Space Telescope

22 Chandra X-Ray Observatory

23 Compton Gamma-Ray Observatory

24 The sky at five different wavelengths a- Visible b- Radio c - Infrared d - X-ray e - Gamma ray

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