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

Read also:

• Have you ever had your crush reject you, and then later you all dated and married?
• How were cows used in ancient India?
• Why is pornography still alive and not illegal? Why doesn’t the government do about tricking women into them?
• What are the ten cars that make me no longer feel inferior?
• Does the West have a defense against China's PL17 air-air missile?
• How do I rat my boss out for serial cheating on his wife?
• How should you handle a situation where your friend tells you they like someone who also likes you? Should you tell them or continue as normal?
• What does Jesus mean in Revelation 3:3 when He states, "Wake up! Strengthen what remains and is about to die, for I have found your deeds unfinished in the sight of my God?"
• Can you share a story of someone who had a lucky experience while hitchhiking?
• Are there any political parties or groups that have a mix of conservative and liberal beliefs? Why are they not as prominent in the media?