Word: aurora
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
Wells (400)..................... Aurora...
...phenomenon will look like a space test to Westervelt's detectors. The model at Los Alamos has already passed one test: it is not fooled by lightning. Next month it will be moved to Fairbanks, Alaska to see whether it cries a false bomb scare when a strong aurora shines in the night sky. Only if it can distinguish a nuclear explosion from all natural events will the detector be recommended for international test watching...
...Boston area witnessed an astronomical phenomenon extremely rare in this latitude last night: aurora borealis, or the "Northern Lights...
Caused by ionization in the upper atmosphere, the aurora appeared as greenish curtains of glowing cloud through which shafts of light passed and repassed...
Last night's display was "extraordinarily bright," and occurs very seldom in this latitude, according to Fred L. Whipple, professor of Astronomy. He said the greenish cast of the aurora was ionized oxygen, and is normal...