brightness of source is measured through each of a set of standard filters
splits light source into components of light
the lowest energy state an electron can have w/o an atom
transmissions from the 2nd energy level up-only transistions at visible wavelengths
order stellar spectra by type (0-9)
1 brightest, 6 faintest
color gives an estimate of the temp
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.
NEW! Voice Recording
Click the mic to start.