Explore Books on
umbras
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View Fifty year canon of solar eclipses, 1986-2035 By Fred Espenak,United States. National Aeronautics and Space Administration 
Fifty year canon of solar eclipses, 1986-2035
By Fred Espenak,United States. National Aeronautics and Space Administration
View Total solar eclipse of 1999 August 11 By Fred Espenak
Total solar eclipse of 1999 August 11
Total solar eclipse of 1999 August 11
By Fred Espenak
View Total solar eclipse of 2001 June 21 By Fred Espenak
Total solar eclipse of 2001 June 21
Total solar eclipse of 2001 June 21
By Fred Espenak
View Method for the calculation of spacecraft umbra and penumbra shadow terminator points By Carlos R. Ortiz Longo
Method for the calculation of spacecraft umbra and penumbra shadow terminator points
Method for the calculation of spacecraft umbra and penumbra shadow terminator points
By Carlos R. Ortiz Longo