User talk:2001:8A0:BAA7:9500:6814:3633:B991:ADD6

August 2023
Please do not add or change content, as you did at Drake equation, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. David J Johnson (talk) 08:31, 2 August 2023 (UTC)