Skip to main content

Cornell University

maura

June 28, 2024

Light is an electromagnetic wave, and as for any wave its velocity is determined by the medium in which its propagating Sound waves can only propagate in material medium (in...

March 5, 2024

And that's the purpose of this site When you send an astronomy question to us, it will be forwarded to one of the participating scientists here at Cornell Most of us are graduate...