How many asteroids was discovered by Charles Thomas Smith?
Charles Thomas Kowal (1940 -2011) was an American astronomer known for his observations and discoveries in the Solar System. As a staff astronomer at Caltech's Mount Wilson and Palomar Mountain observatories between 1961 and 1984, he found the first of a new class of Solar System objects, the centaurs, discovered two moons of the planet Jupiter, and discovered or co-discovered a number of asteroids, comets and supernovae.
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Who was the first to create a zoo and botanical garden for scientific study?
What serves as a natural "tape recording" of the history of the Earth's magnetic field reversals?
antarctic ice cap