Results 251 to 260 of about 179,903 (305)

Evaluation of the accuracy of an enhanced MLC leaf model for Linac-based stereotactic radiosurgery. [PDF]

open access: yesJ Appl Clin Med Phys
Yang Y   +8 more
europepmc   +1 more source
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Annular Eclipses — and Eclipse Photography

1998
Annular eclipses are more frequent than total eclipses, simply because the average length of the Moon’s shadow is not quite long enough to touch the surface of the Earth, but from any particular locality even annulars are not common. Over England, the last was in 1858; the next will not be until 2093.
Michael Maunder, Patrick Moore
openaire   +1 more source

Eclipse Retinitis

American Journal of Ophthalmology, 1948
openaire   +2 more sources

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