Sentence examples for nebulosity from inspiring English sources
noun
The characteristic of being nebulous; cloudiness (measured in octas).
Were the nebulae really all star systems at vast distances from Earth, or were there also regions of true nebulosity, clouds of luminous fluid?
The famous nebulosity in the Pleiades star cluster is of this type; it was discovered in 1912 that the spectrum of this nebula mimics the absorption lines of the nearby stars, whereas bright nebulae that emit their own light show their own characteristic emission lines.
Though it is difficult to explain the presence of distinct, separate masses of unformed matter in old systems, the nebulosity cannot be foreground material between the cluster and the observer.
No stellar remnant is known to exist, though traces of nebulosity are observable at the position of the supernova.
His three-hour exposure of the Pleiades showed the nebulosity surrounding these stars, and his photographs of Andromeda showed its spiral structure.
The entire constellation is enveloped in faint emission nebulosity, powered by several stars in Orion's belt rather than by the star exciting the much smaller Orion Nebula.
T associations occur only in or near regions of galactic nebulosity, either bright or dark, and only in obscured regions showing the presence of dust.
This was therefore a glowing gas a case of true nebulosity.
In some, such as the Pleiades and the Orion clusters, nebulosity is a prominent feature, while others have none.
The West might later wring its hands over the criminal irresponsibility of its policies, but the nebulosity known as the international community is ultimately accountable to nobody.
Besides T Tauri stars, they include related variables, nonvariable stars, and Herbig-Haro objects—small nebulosities 10,000 astronomical units in diameter, each containing several starlike condensations in configurations similar to the Trapezium, Theta Orionis, in the sword of Orion.
