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The "bubble" is created by the stellar wind from a massive hot, 8.7 [1] magnitude young central star, SAO 20575 (BD+60°2522). [7] The nebula is near a giant molecular cloud which contains the expansion of the bubble nebula while itself being excited by the hot central star, causing it to glow. [7] It was discovered in November 1787 by William ...
The Soap Bubble Nebula, Ju 1 (also known as PN G075.5+01.7) is a planetary nebula in the constellation Cygnus, [4] near the Crescent Nebula (NGC 6888). The nebula derives its name from its symmetrical spherical shape which resembles a soap bubble .
The Ring Nebula is located in the lower right of the image Gum Nebula: 809–950 ly (248–291 pc) [32] [33] Emission nebula: Extends about 36° of the sky Bubble Nebula (NGC 6822) 758 ly (232 pc) [34] [35] [36] H II region: The Bubble Nebula is located in the upper left of the image NGC 6188: 600 ly (180 pc) [37] Emission nebula: NGC 592
BD+60°2522 is a bright O-type star that has produced the Bubble Nebula with its stellar wind.The exact classification of the star is uncertain, with a number of spectral peculiarities and inconsistencies between the appearance of the star itself and the effects on the nearby nebulosity, but it is undoubtedly a highly luminous hot massive star. [5]
The Bubble Nebula (NGC 7635), imaged by the Hubble Space Telescope, is seven light years across. A stellar-wind bubble is a cavity light-years across filled with hot gas blown into the interstellar medium by the high-velocity (several thousand km/s) stellar wind from a single massive star of type O or B.
WR 31a, commonly referred to as Hen 3-519, is a Wolf–Rayet (WR) star in the southern constellation of Carina that is surrounded by an expanding Wolf–Rayet nebula.It is not a classical old stripped-envelope WR star, but a young massive star which still has some hydrogen left in its atmosphere.
The FBI and DHS reported that the sightings in New Jersey were of “manned aircraft” operating lawfully, a statement echoed by White House national security spokesman John Kirby on Thursday ...
NGC 2371-2 is a dual lobed planetary nebula located in the constellation Gemini.Visually, it appears like it could be two separate objects; therefore, two entries were given to the planetary nebula by John Louis Emil Dreyer in the New General Catalogue, so it may be referred to as NGC 2371, NGC 2372, or variations on this name. [1]