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Interstellar matter, star birth and star death

The gas and dust between the stars, how stars form and how exoplanets were found, the main sequence and what follows it, then white dwarfs, supernovae, neutron stars and pulsars.

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  • Recto association
    Verso a loose group of young stars whose spectral types, motions, and positions in the sky indicate a common origin
  • Recto baryon cycle
    Verso the cycling of mass in and out of the interstellar medium, including accretion of gas from intergalactic space, loss of gas back into intergalactic space, and conversion of interstellar gas into stars
  • Recto Chandrasekhar limit
    Verso the upper limit to the mass of a white dwarf (equals 1.4 times the mass of the Sun)
  • Recto cosmic rays
    Verso atomic nuclei (mostly protons) and electrons that are observed to strike Earth’s atmosphere with exceedingly high energies.
  • Recto degenerate gas
    Verso a gas that resists further compression because no two electrons can be in the same place at the same time doing the same thing (Pauli exclusion principle)

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Creative Commons Attribution 4.0 International CC-BY-4.0
Attribution
Source : https://openstax.org/books/astronomy/pages/preface — Licence : Creative Commons Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/)
Source
OpenStax — Astronomy (first edition)
Récupéré le
Thème
Astronomie
Langue
English
Version
3
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