User talk:216.197.139.28

January 2019
Hello, I'm CAPTAIN MEDUSA. I wanted to let you know that one or more of your recent contributions to Giant-impact hypothesis have been undone because they 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. ___CAPTAIN MEDUSA talk   17:41, 23 January 2019 (UTC)
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