Showing posts with label hydrogen alpha. Show all posts
Showing posts with label hydrogen alpha. Show all posts

Wednesday, January 12, 2011

YouTube of hydrogen spectrum

Here are the demonstrations of thermal and hydrogen spectra from Tuesday's lecture. All PSC1121 students, both lecture sections, must view this.



One of the interesting things about this quantum spectrum of hydrogen: it displays almost all the physics concepts we will study this semester. So you can think of this demonstration as the goal of our quest, how to understand the quantum world of hydrogen, the most abundant element in the visible universe.

Wednesday, June 9, 2010

H-alpha

From Astronomy Picture of the Day: Our star, in H-α, 656 nanometers -- incredible. This is why astronomers so love H-α.



Click image for full size view.