What name is given to the outermost part of the Sun's atmosphere, visible to the naked eye during a solar eclipse?
Discoverer 13 Discoverer11 Discoverer 11 KH-4B Discoverer Keyhole satellite KH3 KH4 Corona program KH-4A Corona project KH-4 Corona satellite Discoverer 4 KH-3 KH-1 Corona reconnaissance satellite KH-2 Corona (satellite) CORONA
discoverer 11 kh 1 discoverer 13 discoverer11 kh 3 keyhole satellite corona project corona program corona reconnaissance satellite kh 4 kh3 corona satellite corona discoverer 4 kh4 kh 4b kh 4a discoverer kh 2
corona
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CORONA