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- Q240105 subject Q7144650.
- Q240105 abstract "The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point. That is, the radial velocity is the component of the object's velocity that points in the direction of the radius connecting the object and the point. In astronomy, the point is usually taken to be the observer on Earth, so the radial velocity then denotes the speed with which the object moves away from or approaches the Earth.In astronomy, radial velocity most commonly refers to the spectroscopic radial velocity, which is determined by spectroscopy. i.e. by measuring the frequencies of light received from the object. By contrast, astrometric radial velocity is determined by astrometric observations (for example, a secular change in the annual parallax).".
- Q240105 thumbnail Radialgeschwindigkeit.gif?width=300.
- Q240105 wikiPageExternalLink radial_velocity_equation.shtml.
- Q240105 wikiPageWikiLink Q11423.
- Q240105 wikiPageWikiLink Q11465.
- Q240105 wikiPageWikiLink Q1253791.
- Q240105 wikiPageWikiLink Q133139.
- Q240105 wikiPageWikiLink Q1348808.
- Q240105 wikiPageWikiLink Q1376323.
- Q240105 wikiPageWikiLink Q159190.
- Q240105 wikiPageWikiLink Q165074.
- Q240105 wikiPageWikiLink Q171594.
- Q240105 wikiPageWikiLink Q1763933.
- Q240105 wikiPageWikiLink Q181505.
- Q240105 wikiPageWikiLink Q193223.
- Q240105 wikiPageWikiLink Q208474.
- Q240105 wikiPageWikiLink Q210539.
- Q240105 wikiPageWikiLink Q212111.
- Q240105 wikiPageWikiLink Q2167025.
- Q240105 wikiPageWikiLink Q244743.
- Q240105 wikiPageWikiLink Q272626.
- Q240105 wikiPageWikiLink Q4130.
- Q240105 wikiPageWikiLink Q41364.
- Q240105 wikiPageWikiLink Q44559.
- Q240105 wikiPageWikiLink Q483666.
- Q240105 wikiPageWikiLink Q50053.
- Q240105 wikiPageWikiLink Q523.
- Q240105 wikiPageWikiLink Q634.
- Q240105 wikiPageWikiLink Q649112.
- Q240105 wikiPageWikiLink Q7144650.
- Q240105 wikiPageWikiLink Q76250.
- Q240105 wikiPageWikiLink Q76436.
- Q240105 wikiPageWikiLink Q845345.
- Q240105 type Thing.
- Q240105 comment "The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point. That is, the radial velocity is the component of the object's velocity that points in the direction of the radius connecting the object and the point.".
- Q240105 label "Radial velocity".
- Q240105 differentFrom Q715746.
- Q240105 depiction Radialgeschwindigkeit.gif.