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physical object > natural object > celestial body > nebula > H II region > gaseous nebula > expanding emission nebula > supernova remnant > W44
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W44
subjectfact 
W44has distance 3 kpc2001-09-27 09:30:17.0
has definition A radio source. It is a supernova remnant less than 0°.5 from the galactic plane.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:30:17.0
is an instance of supernova remnant2001-09-27 09:30:17.0
supernova remnanthas ejection velocity 10000 km s-12001-09-27 09:30:12.0
produces synchrotron radiation2001-09-27 09:30:12.0
has acronym SNR2001-09-27 09:30:12.0
radio sourcehas wavelength radio2001-09-27 09:30:21.0
is a part of celestial sphere2001-09-27 09:30:21.0
has catalog radio source catalog2001-09-27 09:30:21.0
expanding emission nebulahas composition enhanced with heavy elements relative to the interstellar medium2001-09-27 09:30:11.0
has explosion date2001-09-27 09:30:11.0
has progenitor star2001-09-27 09:30:11.0
has expansion velocity2001-09-27 09:30:11.0
celestial bodyhas spectra2001-09-27 09:30:09.0
gaseous nebulahas synonym emission nebula2001-09-27 09:30:11.0
physical objecthas location or center of gravity2001-09-27 09:27:27.0
has angular momentum2001-09-27 09:27:27.0
has mass2001-09-27 09:27:27.0
has velocity2001-09-27 09:27:27.0
has momentum2001-09-27 09:27:27.0
has temperature2001-09-27 09:27:27.0
has volume2001-09-27 09:27:27.0
has extent2001-09-27 09:27:27.0
has material2001-09-27 09:27:27.0
nebulais a part of gas2001-09-27 09:32:19.0

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