User talk:175.39.159.221

February 2020
Please do not add or change content, as you did at Carl Sagan, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. Mr. Vernon (talk) 07:43, 18 February 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.

Please stop your disruptive editing. If you continue to vandalize Wikipedia, as you did at Carl Sagan, you may be blocked from editing. David J Johnson (talk) 10:22, 18 February 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.