About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 68. Chapters: Interstellar cloud, Interstellar medium, List of interstellar and circumstellar molecules, Star-forming region, Coronal cloud, Astronomical X-ray sources, Lockheed X-ray source, Visibly dark X-ray source, Astronomical gamma-ray source, Serpens XR-2, Sagittarius XR-3, Sagittarius XR-1, First X-ray source in Cancer, First X-ray source in Andromeda, Scorpius XR-6, Lockman Hole, Ara XR-1, Centaurus XR-2, Cygnus X-ray ring, OSO 1, Presolar grains, Interstellar formaldehyde, Lyra XR-1, Centaurus XR-4, Cygnus X-7, Centaurus X-1, X-ray halo, First X-ray source in Volans, Lupus XR-1, Orion-Eridanus Superbubble, Cygnus X-4, Cepheus XR-1, Centaurus XR-3, Radiative dynamo, Fossil stellar magnetic field, Norma X-1, Centaurus X-2, Diffuse interstellar band, Cygnus X-6, Scorpius X-5, 3U 0430+37, Sagittarius XR-6, Scorpius XR-2, Interstellar nitrogen monohydride, Ophiuchus XR-1, Lupus X-1, Cygnus XR-3, First X-ray source in Hydrus, Centaurus XR-1, Cygnus XR-4, Ophiuchus XR-2, Scorpius XR-3, Norma XR-2, Hubble Bubble, Local Void, Scorpius XR-5, Scorpius XR-4, Interstellar ice, Stellar-wind bubble, Bonnor-Ebert mass, Spinning dust, Bondi accretion, Photodissociation region, Infrared cirrus, Dust lane. Excerpt: This is a list of molecules that have been detected in the interstellar medium and circumstellar envelopes, grouped by the number of component atoms. The chemical formula is listed for each detected compound, along with any ionized form that has also been observed. The molecules listed below were detected by spectroscopy. Their spectral features are generated by transitions of component electrons between different energy levels, or by rotational or vibrational spectra. Detection usually occurs in radio, microwave, or infrared portions of the spectrum. The first such molecule to be detected in the interstellar medium was the met...
