1. Astronomy Ch.1 Sec.3

2. Refracting Telescope

3. Reflecting Telescope

4. Light Bends!

5. Hubble Issues
The mirror was fixed in 1993!

6. Electromagnetic Radiation: Infrared
Far infrared waves are thermal. In other words, we experience this type of infrared radiation every day in the form of heat!
Shorter, near infrared waves are not hot at all - in fact you cannot even feel them. These shorter wavelengths are the ones used by your TV's remote control.

7. Goldfish are the only known animal species that can see in both the ultraviolot and infrared spectrum.

8. The Moon’s Radiation
RADIO__   MICROWAVE__  INFRARED__ VISIBLE__   ULTRAVIOLET__    X-RAY__

9. Very Large Array

10. Chandra Photos