A glob and a star

Massimo di Fusco, data acquired via Chilescope The globular cluster M68 in Hydra lies at lower left of this image; at upper right is the variable star HD 109799. In 2021, astronomers confirmed the latter to be a member of the γ Doradus class of variable stars, which pulsate with waves driven by gravity, likeContinue reading “A glob and a star”
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