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Space and Astronomy

Across
An event in which the shadow of one celestial body falls on another
The change in the sunlit area of one celestial body as seen from another celestial body
a natural or artificial body that revolves around a celestial body that is greater in mass
the sun and the moon revolved around the Earth and the other planets revolved around the sun
A theory in which the sun is at the center of the universe
The scientific study of the universe
one of the first people to use a telescope to observe objects in space
Down
The motion of a body that travels around another body in space; one complete trip along an orbit
A theory in which the Earth is at the center of the universe
The Laws of Gravity
Laws of Planetary Motion
The partial shadow outside the complete shadow of a planet
A complete shadow of a planet