Astronomy Essentials: How Telescopes Work
- Rated NR
- Genre: Special Interest-Educational
- Release Date: 3/4/2014
HOW TELESCOPES WORK? Telescopes in by-gone days. Refracting telescopes. Reflecting telescopes. Large telescopes. The job of modern-day telescopes. The Milky Way, black holes and the beginnings of the Universe.
|This product is a special order|
|Run Time:||15 minutes|