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The molecular cloud at these wavelengths is traced by emission from warm dust in the clouds, allowing the structure of the clouds to be probed. Wavelet analysis of the molecular clouds in the approximately 11 square degree Herschel field of view breaks up the clouds into numerous filaments, mostly in and around the Westerhout 40 region. [ 20 ]
A molecular cloud, sometimes called a stellar nursery (if star formation is occurring within), is a type of interstellar cloud, the density and size of which permit absorption nebulae, the formation of molecules (most commonly molecular hydrogen, H 2), and the formation of H II regions.
An MeerKAT image of the Galactic Center showing a number of filaments Radio image of a number of parallel filaments in the Galactic Center; Sagittarius A*, the Milky Way's central black hole, is located in the bright region in the bottom right [1] [2] Nonthermal radio filaments from the 4'' resolution MeerKAT mosaic; oriented vertically for space; scales given assuming a distance of 8.2 kpc
The cloud in the top left corner is LBN 1093 and Sh2-1 with the bright star being Pi Scorpii and the yellowish cloud in the middle on the left being Sh2-7 with Dschubba at its center. A starchart of the Galactic Center area, with the Rho Ophiuchi cloud complex marked as large green area in the middle of the right half of the chart.
Maggie is a vast cloud of hydrogen gas observed within our own Milky Way galaxy. It is a filament of hydrogen 3,900 light-years long and 130 light-years wide. It is a single coherent structure with all parts showing similar velocity with respect to the local standard of rest. It is one of the biggest structures within the Milky Way.
Map of the Vela Molecular Ridge. The Vela Molecular Ridge appears as a sequence of bright and dark nebulae, located on the northwestern side of Vela.The main sequence of nebulae that compose it is located a few degrees northwest of the star Lambda Velorum, while some dark ramifications also extend south of it, reaching the central areas of the constellation.
It is similar in nature to the Bubble Nebula, but interactions with a nearby large molecular cloud are thought to have contributed to the more complex shape and curved bow-shock structure of Thor's Helmet. It is also catalogued as Sharpless 2-298 and Gum 4. [4] The nebula has an overall bubble shape, but with complex filamentary structures.
"interstellar cloud" "high velocity cloud" "intermediate velocity cloud" "low velocity cloud" "supershell" "molecular cloud" "infrared cirrus" "Bok globule" "giant molecular cloud" "molecular cloud complex" "supernova remnant"