Bok globule

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Bok globule

 (bôk)
[After Bart Jan Bok (1906-1983), Dutch-born American astronomer who first observed absorption nebulae.]
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Embedded within are numerous dark Bok globules and the open star cluster NGC 6530.
3 Gravitational power on the contracting Bok globules
Clemens [3] found that practically all Bok globules they observed through CO spectroscopy resulted associated with IR emission, so they could affirm that "almost every Bok globule harbours a young star".
The nebulous star-forming region NGC 281 contains several back-lit dark clumps of gas and dust known as Bok Globules.
These dusty cocoons, called Bok globules, honor Dutch-American astronomer Bart).
Silhouetted little clumps of dark gas, called Bok globules, drift throughout the nebula.
Some of the Bok globules scattered across the nebula have bright edges, indicating that they're being whittled away by relentless ultraviolet radiation and particle winds from the hottest stars.
Malin titles it "Bok globules in IC 2944," but perhaps that should be amended to "Bok globules in IC 2948 with the open cluster Col 249 (C100) in the foreground."
irradiated pillar-shaped Bok globules in the Eagle Nebula (M16).
Going further back on the stellar-evolution time line, the image also contains two dark regions called Bok globules, named after astronomer Bart Bok, who studied these opaque molecular clouds.
Five possible Bok globules (arrowed below) have been discovered in the Large Magellanic Cloud (LMC), report Donald R.
However, Hester points out that the latter are "off of the small end of the scale normally quoted for Bok globules." The smallest globules are about a third of a light-year in diameter, while EGGs are more like a fiftieth, a size comparable to that of our solar system.