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RR Lyrae |
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RR Lyrae: see variable star variable star, star that varies, either periodically or irregularly, in the intensity of the light it emits. Other physical changes are usually correlated with the fluctuations in brightness, such as pulsations in size, ejection of matter, and changes in spectral
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No references found | The puzzle has to do with RR Lyrae stars, bright stars of the Milky Way that pulsate every few hours. Another team, which includes Zeljko Ivezic of Princeton University, used the Sloan survey to examine a second group of elderly objects, known as RR Lyrae stars. Applying the Cepheid results to our own galaxy, the astronomers recalibrated the brightness of RR Lyrae stars, another type of variable star. |
RR Lyrae |
RQR rqrmnt RQRP RQRPA RQS RQSCL RQSM RQSP RQT RQTAO RQTC Rqtect Rqtect Rqtect RQTH RQTOX RQV RQW RQWF RQWL RQY RQYS RQZ RR RR RR RR RR Donnelley Logistics RR GRD RR Lyrae RR Lyrae starsRR MO RR&C RR&DD RR&EO RR&OE RR&TP RR- RR-LIS RR-MO RR-NR RR-R RR-S RR-TMA RR-ZFBF RR/EO RR/P RR1 RR3 RR6 RR64 RRA RRA RRAA RRAB | |||||||
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