Astronomy Crossword
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
 
 
Down: 1) The energy producing mechanism take place in the sun is called ____, and was discovered by ____2) A geocentric system of the cosmos was first proposed by ____ in 350 BC while a heliocentric view was proposed by ____ in 15434) The major chemical elements found in the sun are9) The major problem with the geocentric system of the cosmos was observed ____ motion of the planets10) Sun spots have a period of about12) All planets rotate about their axis in the same direction True or False Across: 3) All planets revolve about the sun in the same direction True or False5) The age of the sun is about6) The sun generates energy by performing7) The major constituent of the Earth's atmosphere is8) Accurate astronomical data permitting Keplar to understand the Laws of Planetary Motion was provided by11) The atmosphere of venus is largely made up of13) State Keplar's 3 Laws of Planetary Motion14) List 3 accomplishments of Galileo
 

 

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