Dark Matter
My opening video for the J. Boye conference in Philadelphia, May 7, 2014.
[Correction: the Triangulum galaxy is 400 million billion *kilometers* across, not light years. 400 million billion km = about 42,000 light years.]
My opening video for the J. Boye conference in Philadelphia, May 7, 2014.
[Correction: the Triangulum galaxy is 400 million billion *kilometers* across, not light years. 400 million billion km = about 42,000 light years.]