Gerard Kuiper
Credit: NASA
Occupation: Astronomer & Planetary Scientist
Year born: 1905
Research Areas: Atmospheres and Moons
Solar System
Credit: NASA
Claudia Alexander
Credit: NASA
Occupation: Planetary Scientist
Year born: 1959
Research Areas: Jupiter’s Moons, Comets
"I feel like a modern-day explorer; the last frontier is space"
Exploring
Credit: USGS National Map Data
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Claudius Ptolemy
Credit: Portolanero
Occupation: Mathematician, Astronomer, Geographer
Year born: 100 AD
Research Areas: Movements of planets and stars, cartography
Early Life
Tycho Brahe
Credit: Wikimedia Sverige
Occupation: Astronomer
Year born: 1546
Research Areas: Astronomy, Supernovae, Mechanics
Nicolaus Copernicus
Credit: Nieznany
Occupation: Astronomer, Mathematician, Clergyman
Year born: 1473
Research Areas: Planets, Mechanics
