Hubble's Variable Nebula

References



Glenlea Astronomical Observatory, University of Manitoba

Please note that underlined papers are links to the full papers that are available for reading on the Internet.

Close, L. M. et al. 1997, ApJ, 489, 210
Hubble, E. P. 1916, ApJ, 44, 190
Lightfoot, J. F. 1989, MNRAS, 239, 665
 
 

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Last modified March 15, 1999