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- Red_Square_Nebula abstract "Not to be confused with a similar nebula, the Red Rectangle Nebula.The Red Square Nebula is a celestial object located in the area of the sky occupied by star MWC 922 in the constellation Serpens. The first images of this bipolar nebula, taken using the Mt. Palomar Hale telescope in California, were released in April 2007. It is notable for its square shape, which according to Sydney University astrophysicist Peter Tuthill, makes it one of the most symmetrical celestial objects ever discovered.The explanation proposed by Tuthill and his collaborator James Lloyd of Cornell University claims that the square shape arises from two cone shapes placed tip-to-tip, as seen from the side. This also explains the "double-ring" structure seen in SN 1987A.There is no clear explanation of how the central star could produce the nebula's shape:Towards the end of their lives, many low-mass stars, like the Sun, slough off their outer layers to produce striking 'planetary' nebulae. But the hot star at the heart of the Red Square nebula, called MWC 922, appears to be relatively massive, suggesting another process formed its signature shape. "How did all this beautiful, crisp structure form?" asks Peter Tuthill of the University of Sydney in Australia. "This is the million dollar question." One possible explanation is that these two outer faint radial spokes are shadows cast by periodic ripples or waves on the surface of an inner disk close to the central star.".
- Red_Square_Nebula thumbnail Red_Square_Nebula.jpg?width=300.
- Red_Square_Nebula wikiPageExternalLink ap070416.html.
- Red_Square_Nebula wikiPageExternalLink ap110323.html.
- Red_Square_Nebula wikiPageExternalLink 1895422.htm.
- Red_Square_Nebula wikiPageExternalLink 0,23599,21547338-2,00.html.
- Red_Square_Nebula wikiPageExternalLink news95692359.html.
- Red_Square_Nebula wikiPageExternalLink 070412_symmetrical_nebula.html.
- Red_Square_Nebula wikiPageID "10646369".
- Red_Square_Nebula wikiPageRevisionID "601584204".
- Red_Square_Nebula hasPhotoCollection Red_Square_Nebula.
- Red_Square_Nebula subject Category:Protoplanetary_nebulae.
- Red_Square_Nebula type Abstraction100002137.
- Red_Square_Nebula type Chemical114806838.
- Red_Square_Nebula type Compound114818238.
- Red_Square_Nebula type Formulation114873641.
- Red_Square_Nebula type Material114580897.
- Red_Square_Nebula type Matter100020827.
- Red_Square_Nebula type Nebula114960606.
- Red_Square_Nebula type Part113809207.
- Red_Square_Nebula type PhysicalEntity100001930.
- Red_Square_Nebula type ProtoplanetaryNebulae.
- Red_Square_Nebula type Relation100031921.
- Red_Square_Nebula type Substance100019613.
- Red_Square_Nebula comment "Not to be confused with a similar nebula, the Red Rectangle Nebula.The Red Square Nebula is a celestial object located in the area of the sky occupied by star MWC 922 in the constellation Serpens. The first images of this bipolar nebula, taken using the Mt. Palomar Hale telescope in California, were released in April 2007.".
- Red_Square_Nebula label "Nebulosa Roja Cuadrada".
- Red_Square_Nebula label "Nébuleuse du Carré rouge".
- Red_Square_Nebula label "Red Square Nebula".
- Red_Square_Nebula label "紅方塊星雲".
- Red_Square_Nebula sameAs Nebulosa_Roja_Cuadrada.
- Red_Square_Nebula sameAs Nébuleuse_du_Carré_rouge.
- Red_Square_Nebula sameAs 적색_정사각형_성운.
- Red_Square_Nebula sameAs m.02ql3yp.
- Red_Square_Nebula sameAs Q1041356.
- Red_Square_Nebula sameAs Q1041356.
- Red_Square_Nebula sameAs Red_Square_Nebula.
- Red_Square_Nebula wasDerivedFrom Red_Square_Nebula?oldid=601584204.
- Red_Square_Nebula depiction Red_Square_Nebula.jpg.
- Red_Square_Nebula isPrimaryTopicOf Red_Square_Nebula.
