| 11. | His earlier studies had focused on solar observation, but after the war he concentrated on the Moon.
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| 12. | One refractor Coud?has a aperture and focal distance provided with Lyot's monochromatic filter for solar observation.
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| 13. | He also illustrated a large workshop camera obscura for solar observations using the telescope and scioptric ball.
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| 14. | The L1 position is useful for solar observations since it is near Earth but in constant sunlight.
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| 15. | The autonomous spacecraft failed to execute a two-day, pre-programmed series of solar observations when it was deployed Friday.
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| 16. | The Udaipur Solar Observatory has become internationally renowned as one of the major centers for high-resolution solar observations.
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| 17. | Solar observations with LOFAR will include routine monitoring of the solar activity as the root of Space Weather.
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| 18. | For twenty years, between 1968 until 1988, the University of Bern ran a solar observation lab in the village.
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| 19. | At the same time, Air Force Weather, as the single agent for all of DoD, began solar observations and forecasting.
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| 20. | Solar observations provide a one-to three-day warning of an Earthbound coronal mass ejection ( CME ), depending on CME speed.
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