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    stellar blast tagged posts

    Astronomers blown away by historic Stellar Blast

    August 3, 2018, Categories  Astronomy/Space

    Color image taken with the Hubble Space Telecope’s WFPC2 camera, showing the dumbbell-shaped cloud of gas and dust around the star. This nebula contains more than 10 times the mass of our Sun, which was ejected by Eta Carinae in the 19th century Great Eruption. Credit: N. Smith (U. Arizona) and NASA.

    Color image taken with the Hubble Space Telecope’s WFPC2 camera, showing the dumbbell-shaped cloud of gas and dust around the star. This nebula contains more than 10 times the mass of our Sun, which was ejected by Eta Carinae in the 19th century Great Eruption.
    Credit: N. Smith (U. Arizona) and NASA.

    Observations from the Gemini South and other telescopes in Chile played a critical role in understanding light echoes from a stellar eruption which occurred almost 200 years ago. Gemini spectroscopy shows that ejected material from the blast is the fastest ever seen from a star that remained intact. Imagine traveling to the Moon in just 20 seconds! That’s how fast material from a 170 year old stellar eruption sped away from the unstable, eruptive, and extremely massive star Eta Carinae.

    Astro...

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