Double Helix Nebula (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Double Helix Nebula" in English language version.

refsWebsite

Global rank English rank

887^th place

714^th place

1web.archive.org

1^st place

1^st place

782^nd place

585^th place

caltech.edu

spitzer.caltech.edu

"Double Helix Nebula - NASA Spitzer Space Telescope". NASA Spitzer Space Telescope. Retrieved 2016-11-16.

ucla.edu

newsroom.ucla.edu

Wolpert, Stuart. "Astronomers Report Unprecedented Double Helix Nebula Near Center of the Milky Way". Archived from the original on 2007-06-11. Retrieved 2007-04-22.

web.archive.org

Wolpert, Stuart. "Astronomers Report Unprecedented Double Helix Nebula Near Center of the Milky Way". Archived from the original on 2007-06-11. Retrieved 2007-04-22.