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nouna physicist who studies astronomy
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Definition that contains astronomer
- hall United States astronomer who discovered Phobos and Deimos (the two satellites of Mars) (1829-1907)
- russell United States astronomer who developed a theory of stellar evolution (1877-1957)
- mitchell United States astronomer who studied sunspots and nebulae (1818-1889)
- hale United States astronomer who discovered that sunspots are associated with strong magnetic fields (1868-1938)
- sitter Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934)
- muller German mathematician and astronomer (1436-1476)
- galileo Italian astronomer and mathematician who was the first to use a telescope to study the stars; demonstrated that different weights descend at the same rate; perfected the refracting telescope that enabled him to make many discoveries (1564-1642)
- langley United States astronomer and aviation pioneer who invented the bolometer and contributed to the design of early aircraft (1834-1906)
- celsius Swedish astronomer who devised the centigrade thermometer (1701-1744)
- halley English astronomer who used Newton's laws of motion to predict the period of a comet (1656-1742)