Astronomy - spectroscopy - 2/3

[fiodejaneiro]

very helpful and informative. thanks for posting!

[Russiaisawesome1]

i am working on a chemistry prensentation, 8-10 min :(, and this video was the first helpful thing i was able to find and understand all day. Thanks so much for posting it!

[VivekJayan]

How can we know that the light from stars for instance our sun, has absorption line due to atoms in our atmosphere ?..

[mindblast187]

Good Vid.

[system0system0]

This is great