Once formed, the stars within the nebula emit a stream of charged particles known as a stellar wind.

Once a stellar remnant collapses within this radius, light cannot escape and the object is no longer visible.

Once aboard the aircraft carrier the group formed the core of VF-191 ( Satan's Kittens ).

Once the hydrogen fuel at the core is exhausted, a star with at least 0. 4 times the mass of the Sun expands to become a red giant, in some cases fusing heavier elements at the core or in shells around the core.

Once a star like the Sun has exhausted its nuclear fuel, its core collapses into a dense white dwarf and the outer layers are expelled as a planetary nebula.

Once this occurs, the core reaches hydrostatic equilibrium: the electron degeneracy pressure is sufficient to balance gravitational pressure.

Once the Hydrogen at the core is consumed it expands into a red giant ( 4 ), then sheds its envelope into a planetary nebula and degenerates into a white dwarf ( 5 ).

Once inexpensive PCs began to have graphics performance close to the more expensive specialized graphical workstations which were SGI's core business, SGI shifted its focus to high performance servers for digital video and the Web.

Once the core of the Despenser regime had been executed, Isabella and Mortimer began to show restraint.

Interestingly, several characters from Disney films serve as the core characters in the television series Once Upon a Time, in which the characters ' names that was used in the films are retained but was given a previous life backstory to explain their origin.

Once a star with about 0. 5 – 10 times the mass of the Sun has consumed nearly all the hydrogen at its core, it begins to evolve up the red giant branch.

Once the neutron star enters the red giant, drag between the neutron star and the outer, diffuse layers of the red giant causes the binary star system's orbit to decay, and the neutron star and core of the red giant spiral inward toward one another.

Once a request is received, the appropriate core director reviews it and contacts the investigator if more information is needed.

Once the core director finalizes a request and determines whether or not the core is capable of fulfilling it, the CFG Steering Committee reviews the request for final approval.

Once a section of well has been drilled, there is, of course, no way to core it without drilling another well.

Once the common opposition to colonialism, corruption and racism was established as a focus, debates on political Islam became generally focused on several core questions through the 1970s:

Once finished with education and starting a career, the inactive Burschen are asked to resign from the fraternity's core members and become Alte Herren or Philister.

Once inside the ER, the signal sequence is cleaved from the core protein by signal peptidase.

Once the core brand was established in a particular market, San Miguel would begin to create production facilities, sometimes on an independent basis and sometimes in concert with an indigenous joint-venture partner.

Once the core ethnic group of the Kanem-Borno Empire, whose territories at one time included northeastern Nigeria and southern Libya, the Kanembu retain ties beyond the borders of Chad.

Once the recipient has identified the core troublesome belief, the facilitator prays, asking the Lord Jesus to provide the recipient with his perspective, that is, what he would like the recipient to know.

Once installed a backup of the core operating system to three floppy disks was possible, allowing future reinstallation.

Once the core was defeated, the demoralised masses quickly follow.

Once more, in other words, Steele is said to be indebted to Swift for his `` wit '' ; ;

Once the scene is set, Trevelyan skilfully builds up the tense story until it reaches its climax in the dramatic victory of Marlborough and Eugene of Savoy at Blenheim.

Once he has been identified, however, a new melody is used to accompany his narrative, a bleak motif with barren octaves creating a rather ancient effect:

Once again what has happened is an all-consuming confabulation of the incidentals, the accidents of painting.

Once the grains are ground, vitamin E begins to deteriorate immediately and half of it is lost by oxidation and exposure to the air within one week.

Once more the fallacious equation is advanced to argue that since business is restricted under the anti-monopoly laws, there must be a corresponding restriction against labor unions: the law must treat everybody equally.

One of the finest soft shoe tunes ever invented, `` Once In Love With Amy '' is also, of course, one of the most tantalizingly persistent of light love lyrics to come out of American musical comedy in our era.

Miss Tamiris' `` Once Upon A Time '' is a problem piece about a man and a woman and the three `` figures '' that bother them somehow.

Once a predator has sampled one of these, it is likely to remember the colouration next time it encounters a similar animal.

Once the beams are laid across the building, it is then time to begin the placing of adobe bricks to create the roof.

Once programmed, it is able to choreograph its motions and gestures with its voice.

Once the physical therapist determines that the individual is able to safely perform parts of the program independently, it is important that the individual be prescribed and regularly engage in a supplementary home exercise program that incorporates these components to further improve long term outcomes.

Once chosen, he must request blessing: the blessing of an abbot is celebrated by the bishop in whose diocese the monastery is or, with his permission, another abbot or bishop.

Once a movement per unit time is observed, astronomers compensate for the parallax caused by the earth ’ s motion during this time and the heliocentric distance to this object is calculated.

Once the anchor is hauled up to the hawsepipe, the ring end is hoisted up to the end of a timber projecting from the bow known as the cathead.

Once the desired scope is laid out, the vessel should be gently forced astern, usually using the auxiliary motor but possibly by backing a sail.

Once again it is important to bear in mind the lack of ' neutral ' state intervention.

Once cytochrome c is released it binds with Apoptotic protease activating factor-1 ( Apaf-1 ) and ATP, which then bind to pro-caspase-9 to create a protein complex known as an apoptosome.

Once when she is, in a key scene, finally invited by the male members of the country club she gives a toast citing from the song “ With rue my heart is laden ”.