Frasi di Jan Oort

Jan Hendrik Oort è stato un astronomo olandese.

✵ 28. Aprile 1900 – 5. Novembre 1992
Jan Oort photo
Jan Oort: 5   frasi 0   Mi piace

Jan Oort: Frasi in inglese

“The combined effects of the stars and of Jupiter appear to determine the main statistical features of the orbits of comets.”

[The structure of the cloud of comets surrounding the Solar System and a hypothesis concerning its origin, Bulletin of the Astronomical Institutes of the Netherlands, 11, 408, 91–110, 3 January 1950, 91, https://openaccess.leidenuniv.nl/bitstream/handle/1887/6036/BAN_11_91_110.pdf?sequence=1]

“The article indicates how three facts concerning the long-period comets, which hitherto were not well understood, namely the random distribution of orbital planes and of perihelions, and the preponderance of nearly-parabolic orbits, may be considered as necessary consequences of the perturbations acting on the comets.”

[The structure of the cloud of comets surrounding the Solar System and a hypothesis concerning its origin, Bulletin of the Astronomical Institutes of the Netherlands, 11, 408, 91–110, 3 January 1950, 91, https://openaccess.leidenuniv.nl/bitstream/handle/1887/6036/BAN_11_91_110.pdf?sequence=1] (quote from p. 91)

Autori simili

Etty Hillesum photo
Etty Hillesum 84
scrittrice olandese
Carl Sagan photo
Carl Sagan 39
astronomo e scrittore statunitense
Anna Frank photo
Anna Frank 28
ebrea tedesca vittima del nazismo
George R. R. Martin photo
George R. R. Martin 240
autore di fantascienza statunitense
Richard Dawkins photo
Richard Dawkins 61
etologo, biologo e divulgatore scientifico britannico
Frans Eemil Sillanpää photo
Frans Eemil Sillanpää 10
scrittore finlandese
James Jeans photo
James Jeans 5
astronomo, matematico e fisico britannico
Edsger Dijkstra photo
Edsger Dijkstra 4
informatico olandese
Menno ter Braak photo
Menno ter Braak 12
scrittore olandese
Louis Couperus photo
Louis Couperus 8
scrittore e poeta olandese