1. Telescopes

2. Earth based Visible Telescopes
Optical Telescopes
See visible light- what we would see
Use filters to create colored images

3. M74- Spiral Galaxy

4. My 3-Color Image

5. Multi-Mirror Telescopes
Large Binocular Telescope
Has two large mirrors set up
like binoculars

6. BYU Observatory David Derrick Telescope 16-inch Reflector
Light Pollution

7. Location! Location! Location!

8. Orion’s Belt in Visible

9. Other Wavelengths: Radio
Not only the light we see
Radio Telescopes must be big
Radio waves are much longer than visible light

10. Very Large Array (VLA)

11. M51 in Radio

12. Infrared: SOFIA

13. Space Telescopes
Many wavelengths cannot make it through our atmosphere
Must go to space to “see” these wavelengths

14. Milky Way Center- Infrared

15. UV: NASA Extreme UV Explorer

16. Sun in Ultra Violet

17. X-Ray: Chandra

18. Crab Pulsar in X-Ray

19. Gamma-Ray: GLAST

20. Gamma Ray Burst- Quasar

21. Most Famous: Hubble

22. Hubble Deep Field

23. Composite: Tycho’s Supernova Remnant