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

Read also:

• What are some mind-blowing facts that sound unreal but are actually true?
• Thanks to FIFA, Atlanta’s first-ever Club World Cup game was underwhelming - AJC.com
• What should I do to stop being angered easily?
• How do people break a narcissist man's ego?
• What do you think are the real reasons Matt Gaetz just withdrew his name for Attorney General in the upcoming Trump administration?
• What does it mean when someone leaves something in your house, your room to be exact, and when you tell them, they say they left it there on purpose?
• Why is Donald Trump criticized by so many people?
• Is it possible for sisters to have different skin, hair colours, and hair types? E.g. hair= wavy, afro, straight, curly, black, brown, blonde, red. Skin colour: brown, peach, light brown and more.
• With so much evidence supporting the flat Earth theory, why aren't more resources dedicated to studying it?
• Why do people keep complaining about how some people copy and paste the question before answering it? To me, it's very disturbing and makes me want to block and mute them as annoying whiners.
• Has your wife made you a cuckold?
• A traveler infected with measles flew into Miami. What are the next steps? - Miami Herald
• Do women really cheat more than men?
• Does the U.S military really prosecute military staff for cheating on their spouse, or do they close one eye if the cheating does not involve other military personnel since adultery is fairly common? Adultery is illegal in U.S military
• What are your thoughts on the dating app "scam"?