Unexpected

Unexpected chemical detectives: Surprise ALMA discovery aids search for protoplanets

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Chemical tests of protoplanets

Located in the constellation Sagittarius, the young star HD 169142 hosts a giant protoplanet embedded in its dusty, gas-rich protoplanetary disk. This artist’s conception shows the Jupiter-like planet interacting with and heating nearby molecular gas, driving the observed outflows into several emission lines, including those from shock-tracing molecules such as SO and SiS, and the … Read more

Dark matter could interact in totally unexpected ways with the universe

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Universe Today

According to Sir Isaac Newton’s theory of universal gravitation, gravity is an action at a distance, where one object feels the influence of another regardless of distance. This became a central feature of classical Newtonian physics which remained the accepted canon for over two hundred years. In the 20th century, Einstein began reconceptualizing gravity with … Read more