(Phys.org)--Astronomers from the Institute of Astronomy, Geophysics and Atmospheric Sciences (IAG) in Brazil have developed a 3D model of the planetary nebula NGC 2440, describing the kinematics and morphology of this interesting object. The model, introduced in a paper published on June 3 on the arXiv pre-print server, could shed new light on the origins and formation processes of planetary nebulae.
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