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Physics as promulgated by Aristotle; includes the hypothesis that our world is comprised of four elements, and that the universe beyond the moon is made of a fifth element and so is fundamentally different from the mundane realm.
Industry:Astronomy
Il tempo e l'azimut in cui un corpo celeste attraversa l'orizzonte astronomico di un oberver.
Industry:Astronomy
È responsabile della progettazione, sviluppo e sistemi di dati che supportano l'elaborazione, gestione, archiviazione e distribuzione dei dati di missione NASA operativi. ADF serve tre discipline largamente definita dall'astrofisica: astrofisica di alta energia, astrofisica UV/ottica e radio/infrarossi/submillimeter astrofisica. ADF collabora con il laboratorio GSFC per alta energia astrofisica (DFG) e il laboratorio per l'astronomia e la fisica solare (LASP) nella gestione di dati per specifiche missioni. Lo staff ADF supporta inoltre l'accesso agli archivi di dati multispettrali e multi-missione della Comunità astrofisica nel National Space Science Data Center (NSSDC).
Industry:Astronomy
1) Divination using the positions of the planets, the Sun and the Moon as seen against the stars in the constellations of the zodiac - a "science" almost as old as homo sapiens. Although at one stage in history astrology and astronomy were almost synonymous- the latter has advanced so far during the last three centuries that the two now bear little relation to each other.
2) The belief that human affairs and people's personalities and characters are influenced by (or encoded in) the positions of the planets.
Industry:Astronomy
Urządzenie optyczne zwykle obejmujące dwa pryzmaty cienkie, które można obracać, aby zrekompensować wydłużenie gwiazda obrazu spowodowane zależność długości fali załamania powietrza.
Industry:Astronomy
Masy atomów i cząsteczek są na ogół podane w jednostkach masy atomowej. Jednostki te są oparte na skali, w której przyjmuje się, że 12 masy atomu węgla 12. Pierwotnie miały masy atomowej jako masy atomowej na skali, gdzie masa atomu wodoru był jedności, później zostały one oparte na tlen lub tlenu 16; skale te wszystkie zostały zastąpione przez węgla 12 skali.
Industry:Astronomy
