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Study investigates X-ray variability of the binary system HD 189733

Astronomers observed a binary system known as HD 189733. They have used ESA's XMM-Newton satellite. The study has been published in arXiv.org. The study delivers information regarding the peculiar X-ray variability of this binary. It is located 63 light years away from the Earth. HD 189733 is...

Astronomers offer theory about mysterious location of massive stars

Georgia State University astronomers have found an explanation for the strange occurrence of massive stars. These stars are located far from their birthplace in the disk of our Milky Way Galaxy. Stars more massive than the sun have very hot cores. This drives nuclear energy...

Researchers discovered earliest known report of ball lightning phenomenon in England

Researchers have observed what seems to be the earliest acknowledged account of an unprecedented climate phenomenon called ball lightning in England. Ball lightning, normally associated with thunderstorms, is unexplained and has been defined as a shiny round item on average 25 centimetres, but on occasion...