User talk:72.218.79.83

September 2020
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Copernican heliocentrism has been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 14:47, 10 September 2020 (UTC)
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Please do not remove content or templates from pages on Wikipedia, as you did with this edit to Copernican heliocentrism, without giving a valid reason for the removal in the edit summary. Your content removal does not appear constructive and has been reverted. Please make use of the sandbox if you'd like to experiment with test edits. Thank you. RA 0808 talkcontribs 14:49, 10 September 2020 (UTC)
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Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Refracting telescope—because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. Materialscientist (talk) 14:19, 18 September 2020 (UTC)