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The Carnival of Space 331 is up at Photos to Space.
NASA's Chandra Xray telescope, orbiting the Earth at a speed of 1.7 kilometers per second, has been pointed at an exoplanet for the first time, giving astronomers their first glimpse of another world at Xray wavelengths. They not only found that the Jupiter sized world has a thick atmosphere, but also discovered a previously undiscovered star orbiting in the same system.
Arxiv – Transit observations of the Hot Jupiter HD 189733b at X-ray wavelengths