Sirius things to think about

from SkyCaramba · host SkyCaramba

The planet watching continues to migrate to the morning. Astronomers realized in 1844 that Sirius has a companion star. But it took 18 years before anyone built a telescope that could reveal it. Sky watchers of long ago described Sirius as red. Why would they say that when the star is bluish-white?

Episode metadata supplied by the publisher feed · Published Jan 23, 2022

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Sirius things to think about

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