EXTRAGALACTIC NEBULA

Before
1: S
crab, gum, veil, ring, dark, bright, great
2: SU
solar, helix, gaseous, spiral, eagle
2: US
rosette, lagoon, diffuse
3: SUU
gaseous, spiral
3: USU
orion, emission, reflection
4: SUUU
planetary
After
1: S
may, in
2: SU
objects, sources, background, distance
2: US
awards, award, objects, itself
3: SUU
radio, origin
4: USUU
astronomy
Surrounder Phrases
planetary nebulae, astronomy, distances, systems, magnetic, ring, radiation, radio, mass, theory, objects, space, modelscrab pulsarsynchrotron radiation, emission, sources, sourcespiral nebulae, shapedgaseous nebulae, phase, emission, component, mass, systemsinfrared radiation, astronomy, emission, reflection, diffuse, gas, sources, background, source, space, systemssolar radiation, cosmic, magnetic, astronomy, systems, mass, radio, emission, models, originemission nebulae, sources, source, component, modelsdiffuse nebulae, reflection, radiation, emission, infrared, solar, component, sources, background, gas, nature, source, itselfeagle owl, eye, star, award, appearsreflection nebulae, infraredradio astronomy, pulsar, emission, jets, sources, swan, star, systems, source, radiationdumbbell shapedcosmic radiation, egg, background, distances, origin, space, radio, magnetic, objects, sources, nature, whole, distancecone bipolar, shaped, outer, whose, formed, distancerotating magnetic, spiral, cone, ring, star, objects, reference, mass, object, component, inner, gas, systemsnear infrared, saturn, eagle, wheregas jets, phase, emission, cooled, ring, contains, mass, surroundingouter space, ring, solar, cone, spiral, objectsdark nebulae, veil, background, star, mass, eye, ring, eagle, spacebright nebulae, star, emission, eye, ring, objects, background, reflection, objectprimordial solar, cosmic, nature, origin, gas, source, spacebackground radiation, emission, gasstar cluster, shaped, bright, award, systems, whose, appearsgreat distances, distance, cosmic, whirlpool, mass, primeval, eagle, orion, owldatabase systems, contains, objects, object, models, component, clusterdistant objects, star, object, sources, background, cluster, radio, solar, source, origininner ring, solar, cone, lagoon, eye, space, spiral, nature, veil, reflection, outerfaint reflection, star, objects, ring, distant, object, outer, radio, background, dark, sourcesphase space, component, systemsegg shaped, mass, contains, clusterradiation emission, sources, source, cone, background, solarorion researchcalifornia eaglelagoon near, systems, where, itselfsystems theory, research, wherehelix formedprimeval natureprimitive solar, objects, nature, object, variableoriginal source, sources, hypothesis, object, research, database, star, awardsurrounding objects, space, gascluster contains, distances, emission, database, models, near, mass, distance, hypothesisvariable star, contains, whose, distances, component, models, appearsring shaped, surrounding, systems, formedreference sources, source, variable, databaseomega researchspace astronomy, surrounding, where, infrared, radiation, research, containsentire database, planetary, solar, cluster, cosmic, mass, outer, distancefirst phase, pulsar, faint, component, appearsbipolar magnetic, systemscooled gasshaped objects, object, cluster, ring, mass, egg, magnetic, itselfformed duringwhole egg, cluster, mass, cosmic, planetarylies near, inresearch hypothesis, award, awardsorigin liesveil liesobject reference, contains, itself, database, appears, variable, whose, models, distances, distance, rotatinglow emission, mass, magnetic, solar, backgrounddistances itselfobjects whose, surroundingwhose origin, innercontains noitself contains, appearscomponent models, object, systems, containsmagnetic phase, component, radiationamerica during, award, wherenature itselfsource emission, databaseastronomy researchno referencemass star, emissionin america, californiahypothesis space, appearsdistance itselfeye ring