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physical object > natural object > celestial body > nebula > H II region > compact H II region > Hourglass Nebula |
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Hourglass Nebula (MyCn18) | ||||
subject | fact |
Hourglass Nebula | is a part of Lagoon Nebula | ![]() |
has distance 8000 light-years away | ![]() | |
has synonym MyCn18 | ![]() | |
has image ![]() | ![]() | |
has definition A compact H II region in the center of Lagoon Nebula. | ![]() | |
is an instance of compact H II region | ![]() | |
is an instance of planetary nebula | ![]() | |
planetary nebula | has expansion velocity typically 10 km/s | ![]() |
has catalog planetary nebula catalog | ![]() | |
expanding emission nebula | has composition enhanced with heavy elements relative to the interstellar medium | ![]() |
has explosion date | ![]() | |
has progenitor star | ![]() | |
H II region | has composition ionized hydrogen | ![]() |
nebula | is a part of gas | ![]() |
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 | ![]() |