Heart Nebula (English Wikipedia)

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

refsWebsite

Global rank English rank

low place

low place

1astronomy-mall.com

low place

low place

1web.archive.org

1^st place

1^st place

75^th place

83^rd place

astronomy-mall.com

"astronomy-mall.com/Adventures.In.Deep.Space/NGC%201-7840%20complete.htm". astronomy-mall.

cseligman.com

"New General Catalog Objects: NGC 850 - 899". cseligman.com. Retrieved 2017-12-19.

nasa.gov

science.nasa.gov

"The Heart Nebula in Hydrogen, Oxygen, and Sulfur | Science Mission Directorate". science.nasa.gov. Archived from the original on 2021-12-30. Retrieved 2021-12-30.

web.archive.org

"The Heart Nebula in Hydrogen, Oxygen, and Sulfur | Science Mission Directorate". science.nasa.gov. Archived from the original on 2021-12-30. Retrieved 2021-12-30.