Changes in the Form of the Nebula N. G. C. 2261

समान संसाधन

• The Rotation and Radial Velocity of the Spiral Nebula N. G. C. 4594
  द्वारा: Pease, Francis G.
  प्रकाशित: (1916)
• The Parallax of the Planetary Nebulae N. G. C. 7662
  द्वारा: van Maanen, Adriaan
  प्रकाशित: (1917)
• Effects of Red Shifts on the Distribution of Nebulae
  द्वारा: Hubble, Edwin
  प्रकाशित: (1936)
• The Velocity-Distance Relation for Isolated Extragalactic Nebulae
  द्वारा: Hubble, Edwin, और अन्य
  प्रकाशित: (1934)
• A RELATION BETWEEN DISTANCE AND RADIAL VELOCITY AMONG EXTRA-GALACTIC NEBULAE
  द्वारा: Hubble, Edwin
  प्रकाशित: (1929)