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AC Earth, Moon, Sun Vocabulary Crossword

Across
An eclipse in which the sun is obscured by the moon.
The dark central part of a sunspot.
The time or date at which the sun crosses the celestial equator, when day and night are of equal length.
Having a progressively smaller part of its visible surface illuminated so that it appears to decrease in size.
The Earth is is the center of the universe.
A tide just after a new of full moon when there is the most difference between high and low tide.
Claimed that we have a heliocentric universe and that the planets revolve around the sun in elliptical orbits. Also stated three laws of planetary motion.
The sun is at the center of the universe.
The shadow cast by the Earth or moon over an area experiencing a partial eclipse.
Any of the varying appearances of a celestial body as different amounts of its disk are seen.
The time taken by a planet to make one revolution around the sun.
The point in the orbit of the moon or a satellite at which it is farthest from the Earth.
A colorless, odorless, highly flammable gas.
The point in the orbit of the moon or a satellite at which it is nearest to the Earth.
A conjunction or opposition, especially of the moon with the sun.
Down
A period of twenty-four hours as a unit of time.
Having a progressively part of its visible surface illuminated, increasing its apparent size.
A spot or patch appearing from time to time on the sun's surface, appearing dark by contrast with its surroundings.
An eclipse in which the moon appears darkened as it passes into the Earth's shadow.
An artificial body placed in orbit around the Earth, moon, or another planet in order to collect information or for communication.
Each of the twelve named periods into which a year is divided.
A tide just after the first or third quarters of the moon when there is the least difference between high and low tide.
Lean, incline, slope, or slant
The energy process in the sun. Means "pulling together."
Came up with the theory of a heliocentric universe.
The vertical difference between the high tide and the low tide.
Danish astronomer who made the most detailed astronomical observations that had been recorded to date.
A force that pulls objects towards each other.