If Elon Musk visits Mars before the earlier of his death or Aug 1, 2099, then the market resolves to Yes. Sources from The Guardian, official representatives or offices of, Fox News, official social media accounts of or their official representatives, Semafor, The Information, CNBC, the Associated Press, The Wall Street Journal, CNN, Politico, MSNBC, The Washington Post, Reuters, local news outlets with verifiable mastheads in, official government sources of, and The New York Times.