Harvard astronomer Donald H. Menzel had an ordinary explanation ready for many of the field's best-known cases. After Kenneth Arnold's 1947 sighting, he proposed blowing snow, then wave clouds, then water spots on the window. For the Lubbock Lights in 1951 he blamed atmospheric refraction. Later he accused Hart of faking the photos, without evidence. At Levelland in 1957 he wrote that conditions were ideal for ball lightning. Witnesses described objects 100 to 200 feet long. Father Gill's sightings at Boianai in 1959 got a different answer. Menzel said it was Venus, seen by a short-sighted Gill without his glasses.
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Astronomer who argued the pilots misinterpreted a bright meteor

Harvard astrophysicist, witness in May 1949

Astronomer who proposed an optical image of the balloon as the explanation

Harvard astronomer who proposed atmospheric refraction and accused Hart of a hoax

Astronomer and sceptic who proposed haze, reflection and inversion explanations

Sceptic who proposed a phantom radar echo

Harvard astronomer who argued for ball lightning

Harvard astronomer who proposed Venus

Astronomer who backed the temperature inversion explanation



