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| physical object > natural object > celestial body > nebula > reflection nebula > NGC 1999 |
| NGC 1999 | ||||
| subject | fact | |||
| NGC 1999 | is a part of dust | ![]() |
has image ![]() | ![]() | |
| is an instance of reflection nebula | ![]() | |
| 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 | ![]() |