Astrophysics (index)

Oxygen

(O)
(element, O, atomic number 8)

Oxygen is the element with atomic number 8, symbol O. Its usual isotope has atomic weight 16, but 17 and 18 are also stable.

It results from CNO Cycle and Neon burning.

It is the third most common element. The Milky Way is about 1% Oxygen by mass.


(element,metal,chemistry)
http://en.wikipedia.org/wiki/Oxygen

Referenced by:
Abundances
Asymptotic Giant Branch (AGB)
Alpha Process
Biosignature
Carbon (C)
Carbon Planet
Carbon Star
Carbon Monoxide (CO)
Carbon Dioxide (CO2)
Dalton (Da)
Earthshine
Energetic Neutral Atom (ENA)
Fine Structure
Forbidden Line
Geochemistry
Hydrology
Ice
Ice Giant
Metallicity (Z)
Nitrite (NO2)
Nucleosynthesis
Oxygen Lines
Reducing Atmosphere
Silicon (Si)
Sulfur (S)
Triple Alpha Process
Type Ia Supernova
White Dwarf

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