astrophysics

The actual Star Trek planet turns out to be a stellar illusion

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SciTechDaily

An artist’s concept of the previously proposed possible planet, HD 26965 b – is often compared to the fictional “Vulcan” in the Star Trek universe. Credit: JPL-Caltech New research refutes the existence of Vulcan, a planet thought to orbit around 40 Eridani A, attributing the detected signals to the surface activity of the star. The … Read more

Why do stars mysteriously disappear from the night sky?

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SciTechDaily

Artist’s impression of binary system VTFS 243. Credit: ESOL. Calçada CC BY 4.0 Astrophysicists from the University of Copenhagen are helping to explain the mysterious phenomenon where stars suddenly disappear from the night sky. Their study of an unusual binary star system resulted in compelling evidence that massive stars can completely collapse into black holes … Read more