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the Stars
3
Read the given clues. Unscramble the letters and write the
names of famous astronomers.
This Polish astronomer's revolutionary idea was that Earth should
be regarded as one of the planets that revolved around the sun.
UNLIOACS CPRUNIOECS
2 In January 1610, he discovered the four largest moons of Jupiter.
SCIENCE
LGLEIOA LIAELIG
3 This German astronomer discovered three major Laws of Planetary
Motion. NJHAONES EKPELR
4
He discovered Uranus and was the first astronomer to correctly
describe the spiral structure of the Milky Way Galaxy.
MWLILIA EHRCHELS
5 In 1705, this English astronomer published a work that included his
calculations showing that comets observed in 1531, 1607 and 1682
were really one comet. He predicted that comet's return in 1758.
DEMNDO HYLLEA
6 He argued that Earth was a stationary sphere at the centre of a
larger celestial sphere that revolved at a perfectly uniform rate
around it. TPOLMEY
7 His observations, the most accurate possible before the invention of
the telescope, included a comprehensive study of the solar system
and accurate positions of more than 777 fixed stars.
THCOY RBAEH
8 This American astronomer played an important role in establishing
the field of extragalactic astronomy and is generally regarded as the
leading observational cosmologist of the twentieth century.
DEIWN LPWOEL HBULBE
Uranus was the first planet to
be discovered with the aid of a
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