Sentences with phrase «hydrogen envelope»
A hydrogen envelope refers to a layer of hydrogen gas that surrounds or encloses something, like a planet or a star. It is like a protective layer made up of hydrogen gas. Full definition
Its outer hydrogen envelope becomes more loosely bound and vulnerable to gravitational stripping, or a type of stellar cannibalism, by the nearby companion star.
sciencedaily.com
Another way Wolf - Rayet stars are said to form is when a massive star ejects its own hydrogen envelope in a strong stellar wind streaming with charged particles.
The one GOOD thing about these direct hits would be ELIMINATION of thick Hydrogen envelopes around these types of planets when these envelopes were HEATED by MUCH MORE LUMINOUS HOST STARS to the point where the envelopes FILLED the planets» Hill spheres.
This allowed the international team to determine that the explosion was a Type IIb supernova: the explosion of a massive star that had previously lost most of its hydrogen envelope, a species of exploding star first observationally identified by Filippenko in 1987.
Sporadic changes in the wind strength or the rate the companion star strips the main star's hydrogen envelope might also explain the clumpy structure and gaps seen farther out in the disk.
In that process, the more compact star winds up gaining mass, and the original massive star loses its hydrogen envelope, exposing its helium core to become a Wolf - Rayet star.