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Podcast: StarDate
Episode: More Sirius
Description: The Sun and similar stars are losing weight – they blow some of their gas into space through strong “winds.” And at the end, they blow away all of their outer layers of gas. That leaves only their hot, dense cores, known as white dwarfs – tiny remnants of their once brilliant selves.
An example is Sirius B, the faint companion of Sirius A, the brightest star in the night sky. Sirius climbs into view in the east-southeast by around 8:30 or 9, and arcs across the south during the night.
Sirius B is too small and faint to see with...