How do flat Earthers explain the existence of other spherical planets?

Read also:

• How do you confront your own family for not inviting you or leaving you out of things?
• Why do men like to have sex with a woman's ass?
• Why am I dreaming of people I've never seen before?
• Why do you think most harem anime and manga have lame male protagonists that would be considered losers and pathetic by most people?
• What is unattractive about a nice guy? Why do some women don’t choose nice guys?
• Why do trans people get so deeply offended when a stranger misgenders them, especially when it's a first encounter? I've been socially transitioned for 4 years and it just feels like a waste of energy to be so hurt by it.
• South Korea halts propaganda broadcasts along border with rival North in a move to ease tensions - AP News
• Can you explain the meaning of "mint condition" in relation to antiques or collectibles?
• What would it take for you to consider yourself a "Swiftie" like Flavor Flav?
• Do you regret being married to your current wife?