American astronomer and professor of planetary astronomy at the California Institute of Technology (born 1965) who was instrumental in Pluto being downgraded to a dwarf planet in the aftermath of the discovery of Eris and several other probable trans-Neptunian dwarf planets. Two color glossy 10 x 8 photos of astronomer Mike Brown, with one of him during a presentation and the other of Brown surrounded by planets and holding Camilla the rubber chicken, both signed in gold ink. Also includes an ANS on Caltech stationery, which reads: "I think my greatest achievement (so far?) was the discovery & recognition of the importance of Sedna!" In overall fine condition. Accompanied by a personal California Institute of Technology business card belonging to Brown, who has signed the card in blue ballpoint.
We use cookies on this site to improve your experience. By using this site, you accept our use of cookies. To learn more, please see our Privacy Policy.