Word: bobrovnikoff
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
Poisonous Tail. From a study of photographs taken of Halley's comet at its last appearance in 1910, Dr. N. T. Bobrovnikoff, Perkins Observatory, Ohio Wesleyan, found that the comet really had two tails. One, narrow and brilliant, consisted of carbon monoxide gas, would have killed all life on earth if it had approached too closely. The other tail was curved, consisted of meteoric dust...
...astronomical colloquium will be held, today, at 4.15 o'clock, in Building A, of the Harvard Observatory. Miss Emma T. R. Williams will lecture on "Bobrovnikoff on Minor Planets" and Doctor Cecilia H. Payne on "Atmospheres of Giant and Dwarf Stars...
| 1 |