ASTRONOMY BEAT www.astrosociety.org Number 23 • May 18, 2009 Publisher: Astronomical Society of the Pacific Editor: Andrew Fraknoi

Source URL: astrosociety.org

• Pluto
• Main Belt asteroids
• Optical devices
• Astronomers
• Vesto Slipher
• Clyde Tombaugh
• Tombaugh
• Earl C. Slipher
• Carl Otto Lampland
• Astronomy
• Planetary science
• Solar System