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Waspie_Dwarf

Eclipsing Exoplanet Seen in X-rays

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NASA's Chandra Sees Eclipsing Planet in X-rays for First Time

For the first time since exoplanets, or planets around stars other than the sun, were discovered almost 20 years ago, X-ray observations have detected an exoplanet passing in front of its parent star.

An advantageous alignment of a planet and its parent star in the system HD 189733, which is 63 light-years from Earth, enabled NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM Newton Observatory to observe a dip in X-ray intensity as the planet transited the star.

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HD 189733 in 60 Seconds

NASA's Chandra Sees Eclipsing Planet in X-rays for First Time.

Credit: NASA/CXC/SAO

Source: Chandra - Podcasts

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