Video duration: 560 seconds
Global video hits: 2115
Angles have their origin in astronomy and spherical trigonometry. Here we introduce the rational alternative, called spread, and give examples from ISO paper sizes to the faces of a dodecahedron.
Video duration: 325 seconds
Global video hits: 9257
http://live.pirillo. com - Even if you're not really "in to" Astronomy, you really have to check this out. The things you will see are just amazing. Go ahead... I dare you. Open your eyes, broaden your horizons. You never know what's out there waiting.
Video duration: 518 seconds
Global video hits: 1849
http://live.pirillo. com - One of the first things I bought from the App Store is a little program called Starmap. I'm an amateur Astronomer, and just love checking things out in the Galaxy. Sometimes when I'm looking at the stars, I don't know exactly what I'm looking at. That's where Starmap comes in handy.
Video duration: 198 seconds
Global video hits: 26876
Found it hard to believe when I couldn't find this song on youtube. This song and thieves in the night are among the best Mos Def and Talib Kweli have made.
Regardless of what your skin color is, you have to admit these guys are two of the few guys who are conscious about society and their heritage and background
Video duration: 236 seconds
Global video hits: 23374
http://live.pirillo. com/ - It may not be as cool as going outside and using your telescope to view the night sky, but Stellarium allows you to view the night sky (and more) from the comfort of your computer screen!
![Pink Floyd - Astronomy domine \](http://img.youtube.com/vi/6M-UtlpvBWk/2.jpg "Pink Floyd - Astronomy domine \")
![Microsoft\](http://img.youtube.com/vi/oM9mrZx4XLE/2.jpg "Microsoft\")
![Pink Floyd - Astronomy Domine [ Live 1968 ]](http://img.youtube.com/vi/49tLEcgW0Po/2.jpg "Pink Floyd - Astronomy Domine [ Live 1968 ]")
