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another significant discovery was to realise that there was a error in the accepted period-luminosity law for cepheid variables.
teine oluline avastus oli aru saada, et oli viga vastuvõtt perioodi helendus õiguse cepheid muutujad.
this interface refers to the technical requirements for the chromaticity and luminosity of vehicle headlights to ensure the correct visibility of reflective lineside signage and reflective clothing.
käesolev liides hõlmab veeremiüksuste esilaternate värvuse ja valgustugevusega seotud tehnilisi nõudeid, et tagada raudteeäärsete valgustpeegeldavate märkide ja peegeldava riietuse nähtavus.
from this he had found a formula for the luminosity of the star in terms of mass. milne wondered what would happen if the star did not have this particular rate of energy generation.
sellest ta oli leidnud valemi helendus star massina. milne mõelnud, mis juhtuks, kui star ei ole seda eriti määra energiatootmises.
in 1879, austrian physicist stephan josef stefan showed that the luminosity, l, of a black body is proportional to the 4th power of its temperature t.
1879. aastal näitas austria füüsik josef stefan, et musta keha helendus l on võrdeline selle temperatuuri t neljanda astmega.
with this button, you can pick the color from original image used to set highlight tone smooth curves point on red, green, blue, and luminosity channels.
selle nupuga saab valida originaalpildilt värvi, mida kasutatakse heledate toonide kõverapunkti määramiseks punasel, rohelisel, sinisel ja helenduse kanalil.
five years later, austrian physicist ludwig boltzman derived the same equation and is now known as the stefan-boltzman law. if we assume a spherical star with radius r, then the luminosity of such a star is
viis aastat hiljem jõudis austria füüsik ludwig eduard boltzmann sama valemini ning tänapäeval tuntaksegi seda stefan- boltzmanni valemina. kui me võtame sfäärilise tähe raadiusega r, siis selle helendus on
the receiver shall have a photodetector with a spectral response proportional to the photopic luminosity function of the cie (1931) standard colorimetric observer (see table).
vastuvõtjal on fotodetektor, mille spektraalkõver vastab cie (1931) kolorimeetrilise standardvaatleja fotoopilise valgustugevuse funktsioonile (vt tabelit).
& contents; & skycoords; & cequator; & cpoles; & csphere; & ecliptic; & equinox; & geocoords; & greatcircle; & horizon; & hourangle; & meridian; & precession; & zenith; & julianday; & leapyear; & sidereal; & timezones; & utime; & blackbody; & darkmatter; & flux; & luminosity; & parallax; & retrograde; & ellipgal; & spiralgal; & magnitude; & stars; & colorandtemp;
& contents; & skycoords; & cequator; & cpoles; & csphere; & ecliptic; & equinox; & geocoords; & greatcircle; & horizon; & hourangle; & meridian; & precession; & zenith; & julianday; & leapyear; & sidereal; & timezones; & utime; & blackbody; & darkmatter; & flux; & luminosity; & parallax; & retrograde; & ellipgal; & spiralgal; & magnitude; & stars; & colorandtemp;