Astronomers from the University of Warsaw, Poland and elsewhere have detected a new classical Cepheid variable star. The newfound star, which received designation OGLE-GD-CEP-1884, has the longest ...
A new analysis of pulsing stars has revealed the Milky Way’s twisted shape. Scientists have known since the 1950s that the spiral-shaped Milky Way’s disk is warped, bending by thousands of light-years ...
The Andromeda Galaxy (M31) lies nearly 3 million light-years from Earth, while the Virgo cluster of galaxies extends 50 million light-years into the “local” universe. Have you ever wondered how ...
The new results, from a team led by Grzegorz Pietrzyński (Universidad de Concepción, Chile, Obserwatorium Astronomiczne Uniwersytetu Warszawskiego, Poland), appear in the Nov. 25, 2010 edition of the ...
Cepheid variables are pulsating supergiant stars whose regular brightness variations are tightly correlated with their intrinsic luminosities. This period–luminosity relation, often termed the Leavitt ...
In commemoration of Edwin Hubble's discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of ...
Ninety years ago, Harvard astronomer Henrietta Leavitt spent years painstakingly examining thousands of sky photographs to search for and study variable stars. Her laborious hunt led to the discovery ...
A planet 370 light years away gives its home star tiny little pulses to show it cares. The planet, HAT-P-2b, orbits an F-type star slightly larger than the Sun. At eight times the mass of Jupiter, the ...
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