Junior districts are on February 28 – March 1 commissioned by Cabri (hosted at Abbey Rink). The top two teams (A side ...

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In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

Kepler was one of the most successful exoplanet-hunting missions so far. It discovered 2,600 confirmed exoplanets—almost half of the total—in its almost 10 years of operation. However, most data ...

(From "The galactic system as a spiral nebula" by Oort et al. 1958) Astronomers also used RR Lyrae and Cepheids, two types of variable stars with known intrinsic brightnesses (standard candles), to ...

Cepheid variables that he identified in our galaxy were the first rung. Next were RR Lyrae stars, which are another breed of variable star with a similar period–luminosity relation to Cepheids ...