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Astronomers

Horizontales
Copernicus didn't believe in the geocentric mode so he hypothesized a heliocentric _______.
Egyptian astronomer known for the Geocentric Model
Henrietta Leavitt was known as the Harvard Computer and discovered variable ______.
Hipparchus is known as the Father of this kind of math.
The planet discovered by this brother and sister team, the Herschels.
This German astronomer discovered 3 laws of motion and was known as the father of both Astronomy and Modern Optics.
Verticales
Maria Mitchell was known as America's first ______ astronomer. She discovered a comet.
Hawking, a theoretical physicist, discovered black hole _________.
Galileo discovered terminal velocity in Pisa and discovered these rings.
The title bestowed on Isaac after he discovered universal gravity and the 3 laws of motion.
Cassini discovered 4 of Saturn's moons and the distance from Earth to this planet.
He was the first to discover galaxies beyond our Milky Way and the law of expanding universe.
Banneker was famous for making one of these out of wood.