| 11. | Such adjustments would mean that other astronomical observations are somehow wrong.
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| 12. | Lasers originally developed for the SDI plan are in use for astronomical observations.
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| 13. | Construction began in 1963 and regular astronomical observations commenced in 1965.
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| 14. | This severely limits the application of the technique for astronomical observations.
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| 15. | This report was the first publication of European astronomical observations in South America.
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| 16. | This instrument was put into use for astronomical observation in 2010.
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| 17. | Preuss was hired on to reduce astronomical observations from this 1839 Nicollet survey.
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| 18. | This widely believed prediction has been occasionally tested using astronomical observations.
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| 19. | Apart from his surveying work he also carried out numerous independent astronomical observations.
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| 20. | The Cobaw Plateau is host to a 500 hectare facility for astronomical observation.
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