pulsating variable star造句
例句與造句
- Pulsating variable stars typically pulsate in only one of these modes.
- BL Bo鰐is is the prototype of its class of pulsating variable stars, the anomalous Cepheids.
- "' 9 Persei "'is a pulsating variable star in the constellation Perseus.
- It may be a non-radial pulsating variable star, which is causing changes in the spectrum being emitted by the photosphere.
- Mira A is a pulsating variable star and was the first non-supernova variable star discovered, with the possible exception of Algol.
- It's difficult to find pulsating variable star in a sentence. 用pulsating variable star造句挺難的
- A nearly vertical region of the HR diagram, known as the instability strip, is occupied by pulsating variable stars known as Cepheid variables.
- The Cepheids are a class of pulsating variable stars; Delta Cephei has a minimum size of 40 solar diameters and a maximum size of 46 solar diameters.
- Pulsating variable stars vary in radius and luminosity over time, expanding and contracting with periods ranging from minutes to years, depending on the size of the star.
- Many main sequence stars of spectral type A fall into a region of the Hertzsprung Russell diagram called the instability strip, which is occupied by pulsating variable stars.
- "' LP Aquarii "'is a pulsating variable star in the constellation of Aquarius that varies between magnitudes 6.30 and 6.64.
- Pulsating variable stars sometimes have a single well-defined period, but often they pulsate simultaneously with multiple frequencies and complex analysis is required to determine the separate interfering periods.
- In pulsating variable stars the driving force is the internal energy of the star, usually from nuclear fusion, but in some cases just from stored energy, as it propagates outwards.
- "' EV Carinae "'is a red supergiant and pulsating variable star of spectral type M4Ia in the constellation largest known stars, with a radius over 1, 000 times the Sun.
- When COROT-1 was observed by the CoRoT telescope over a continuous period of sixty days since the preliminary results release on 23 May 2007, the star's light exhibited patterns identical to pulsating variable stars with characteristics similar to that of the Sun.
- It has an apparent visual magnitude which varies between 10.7 and 12.7, Although described in the " General Catalogue of Variable Stars " as a cataclysmic variable star, it appears that it is a pulsating variable star, and has been classed as an RV Tauri variable star, type A.
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