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physical object > natural object > celestial body > nebula > H II region > H II condensation |
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H II condensation | ||||
subject | fact |
H II condensation | has definition A high-density H II region. | ![]() |
is a kind of H II region | ![]() | |
H II region | has composition ionized hydrogen | ![]() |
nebula | is a part of gas | ![]() |
has catalog nebula catalog | ![]() | |
celestial body | has spectra | ![]() |
physical object | has location or center of gravity | ![]() |
has angular momentum | ![]() | |
has mass | ![]() | |
has velocity | ![]() | |
has momentum | ![]() | |
has temperature | ![]() | |
has volume | ![]() | |
has extent | ![]() | |
has material | ![]() |