eclipsing binaries
1Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …
2star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …
3eclipse — eclipser, n. /i klips /, n., v., eclipsed, eclipsing. n. 1. Astron. a. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention …
4Variable star — A star is classified as variable if its apparent brightness as seen from Earth changes over time, whether the changes are due to variations in the star s actual luminosity, or to variations in the amount of the star s light that is blocked from… …
5Cosmic distance ladder — * Light green boxes: Technique applicable to star forming galaxies. * Light blue boxes: Technique applicable to Population II galaxies. * Light Purple boxes: Geometric distance technique. * Light Red box: The planetary nebula luminosity function… …
6Algol — This article is about the star. For other uses, see Algol (disambiguation). Beta Persei A/B/C …
7Standard candle — A standard candle is an astronomical object that has a known luminosity. Standard candles are the basis for several important methods of deriving distances in extragalactic astronomy and cosmology in the cosmic distance ladder.TheoryComparing its …
8Astronomical object — Celestial object and Celestial body redirect here. For other uses, see Celestial (disambiguation). This article is about naturally occurring objects. For artificial objects, see Satellite. Astronomical objects or celestial objects are naturally… …
9Über das farbige Licht der Doppelsterne und einiger anderer Gestirne des Himmels — is a treatise by Christian Doppler (1842) [Some sources mention 1843 as year of publication because in that year the article was published in the Proceedings of the Bohemian Society of Sciences. Doppler himself referred to the publication as Prag …
10NN Serpentis — Rendering of NN Serpentis system Observation data Epoch {{{epoch}}}      Equinox …
