Citation needed
Facts that are not common knowledge should be referenced with a reliable source.
Use <ref> and </ref> tags to enclose a reference.
Basic example:
The Sun is 27 million degrees Fahrenheit in its core.<ref>https://spaceplace.nasa.gov/sun-compare/en/</ref>
Please use AMA style formatting.
Use {{citation needed}} or {{cn}} to tag facts that are not common knowledge and should include a citation.