Most Universe Today readers are familiar with nebulae. They re gaseous structures lit up with radiation from nearby stars, and they re some of nature s most beautiful forms.
Astronomers have discovered a new type of nebulae around binary stars called galactic emission nebulae.
The research, published in Astrophysics and Astronomy, shows that binary star YY Hya has a strong UV excess. This suggests the existence of a hot and compact binary companion.
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