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Science & Exploration

Deciphering Eta Carinae’s eruptive twin

02/02/2018 2484 views 3 likes 389709 ID 00:02:03
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ESA's XMM-Newton has spotted surprising changes in the powerful streams of gas from two massive stars in the binary star system HD 5980. One of the two stars had a major outburst reminiscent of the 19th-century eruption of Eta Carinae, and astronomers expected that its X-ray emission would fade gently over the years. Instead, they found the pair was two and a half times brighter than a decade earlier, and its X-ray emission was even more energetic, suggesting that colliding stellar winds don’t behave as expected.

Full story: Stellar winds behaving unexpectedly

  • ESA - European Space Agency
  • Music Clip
  • Space Science
  • XMM-Newton
  • XMM-Newton Satellite
  • Astronomy Astronomy & Fundamental Physics Solar wind Stars Telescope X-ray astronomy X-rays XMM
Star Eta Carinae
Science & Exploration

Star Eta Carinae

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X-ray emission from HD 5980 system
Science & Exploration

X-ray emission from HD 5980 system

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XMM-Newton image of Geminga showing the discovery of the twin tails
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XMM-Newton image of Geminga showing the discovery of…

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Science & Exploration

Young X-ray stars in the Taurus region

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XMM-Newton
Science & Exploration

XMM-Newton

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