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by the young stars(passive) caused bythe blue emission nebula
by William Herschel(passive) discovered bya beautiful emission nebula
the expansive Seagull Nebula ,composedof emission nebula NGC 2327
Ladd Russo ... if he 'd wantedto causetrouble for Nebula
ionizing radiationcausingan emission nebula to glow
by William Herschel(passive) discovered byan emission / reflection nebula
dust reflecting the blue light of the hot , young stars(passive) caused byareflection nebula
by Friedrich Herschel(passive) was discoveredan emission nebula in Cygnus
by Friedrich Wilhelm Herschel(passive) discovered byCygnus An emission nebula
Friedrich Wilhelm Herschel in 1792(passive) discovered byan emission nebula in Cygnus
by astronomer John Herschel(passive) discovered byan emission nebula
the massive starscausesthe emission nebula
by the gas(passive) caused byan emission nebula
John Herschel(passive) was discovered byThis emission nebula
John Herscheldiscoveredthis emission nebula
by William Herschel(passive) discovered byan emission nebula
William Herschel(passive) was discovered byan emission nebula
ionized gasses that emit light and(passive) is caused byAn emission nebula
newly formed starsoriginatingfrom the emission nebula
by Friedrich Wilhelm Herschel(passive) discovered byAn emission nebula
by the stellar wind from a Wolf Rayet Star(passive) caused byemission nebula
a collection of newly formed starsoriginatingfrom the emission nebula
by a Wolf - Rayet star(passive) caused byan emission nebula
in 1837(passive) was discoveredThis emission nebula
by amateur astronomer Astronomers(passive) discovered byplanetary nebula
by amateur astronomer Scientists(passive) discovered byplanetary nebula
by amateur astronomer NASA(passive) discovered byplanetary nebula
by amateur astronomer The Sky(passive) discovered byplanetary nebula
by amateur astronomer Researchers(passive) discovered byplanetary nebula
by amateur astronomer(passive) discovered byplanetary nebula
by amateur astronomer Its(passive) discovered byplanetary nebula
by amateur astronomer Gemini(passive) discovered byplanetary nebula
by amateur astronomer Margaret(passive) discovered byplanetary nebula
by amateur astronomer Blue Origin(passive) discovered byplanetary nebula
by amateur astronomer Asteroids(passive) discovered byplanetary nebula
by amateur astronomer New study(passive) discovered byplanetary nebula
by Messier(passive) discovered byPlanetary Nebula
in 2005(passive) was discoveredplanetary nebula
IPHASdiscoveredplanetary nebula
Charles Messier(passive) was discovered byTrifid Nebula
the gas we see to shine brightlyare causingthe gas we see to shine brightly
the trifid appearancecausingthe trifid appearance
in 1977discoveredin 1977
in 1977discoveredin 1977
in 1764 by Charles Messierdiscoveredin 1764 by Charles Messier
everdiscoveredever
of clouds of gas that are made to glow by the radiation emanating from stars withincomposedof clouds of gas that are made to glow by the radiation emanating from stars within
to a major conundrumleadsto a major conundrum
from a hydrogen gas cloudoriginatesfrom a hydrogen gas cloud
to the creation of our sun and solar systemleadingto the creation of our sun and solar system
The sword(passive) is composedThe sword
of the red hydrogen gascomposedof the red hydrogen gas
from the loss of surface materialresultsfrom the loss of surface material
The shape you see(passive) is caused byThe shape you see
the trifid appearancecausingthe trifid appearance
of ionized hydrogencomposedof ionized hydrogen
of interstellar dustcomposedof interstellar dust
mainly of ionized hydrogencomposedmainly of ionized hydrogen
of glowing hydrogencomposedof glowing hydrogen
on the insidediscoveredon the inside
from gases and dustresultfrom gases and dust
from a dying starcan resultfrom a dying star
from the death of medium and low mass starsmay resultfrom the death of medium and low mass stars
in an open cluster that is agreed upon by independent researchersdiscoveredin an open cluster that is agreed upon by independent researchers
from the demise of a sun - like star through the various evolutionary stages to its present white dwarf statusresultingfrom the demise of a sun - like star through the various evolutionary stages to its present white dwarf status
from the near - final processes of an old starresultingfrom the near - final processes of an old star
in 2011discoveredin 2011
in SCIENCEdiscoveredin SCIENCE
By Amateur AstronomerDiscoveredBy Amateur Astronomer
in 1882discoveredin 1882
of matter and energyare composedof matter and energy
of materialis composedof material
in 2011 by an amateur astronomer while searching through the kepler satellite imagerydiscoveredin 2011 by an amateur astronomer while searching through the kepler satellite imagery
of clouds of gas that are made to glow by the radiation emanating from # stars withincomposedof clouds of gas that are made to glow by the radiation emanating from # stars within
the skypaintedthe sky
of gas and dustcomposedof gas and dust
the sun and planetswhere ... originatedthe sun and planets
to see(passive) being ... paintedto see
from a supernova explosionresultsfrom a supernova explosion
above the southern horn of Taurus on September 12 , 1758discoveredabove the southern horn of Taurus on September 12 , 1758