New and Upcoming Developments
The Hubble Space Telescope has identified several RR Lyrae candidates in globular clusters of the Andromeda galaxy and has measured the distance to the prototype star RR Lyrae.
The Gaia mission is expected to greatly improve knowledge of RR Lyraes by providing homogeneous spectrographic information of a large population of such stars.
Read more about this topic: RR Lyrae Variable
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