DOI: 10.1007/978-94-009-3861-8_3
关键词: Carbon 、 Galaxy 、 Chemical composition 、 Molecular materials 、 Molecular cloud 、 Physics 、 Astrophysics 、 Mean kinetic temperature 、 Star formation 、 Molecular rotation
摘要: Molecular material is found in differing regions our galaxy. We attempt here to give a summary of the observationaIIy determined properties molecular clouds. Some most important methods obtaining information on physical conditions within these are reviewed, and different types presented.