Margaret Geller topic

Margaret J. Geller is an American astronomer and professor. She is a Senior Astronomer at the Smithsonian Astrophysical Observatory, and has written numerous articles and produced several award-winning scientific short films. She is interested in mapping the distribution of the mysterious, ubiquitous dark matter in the universe, the halo of our own galaxy, the Milky Way, to understand the link between the history of our Galaxy and the history of the universe, mapping clusters of galaxies to... full article at wikipedia