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

Read also:

• What causes you to be tired all the time and major headaches?
• Can a relationship really last forever?
• If my lovely sister sleeps with my boyfriend, what should I do about her?
• New ‘Dungeons & Dragons’ Single-Player Video Game in the Works - Variety
• Why do the majority of feminists hate men (not all feminists)?
• Paul Skenes Q&A: Pirates ace speaks frankly about lack of run support in quality starts - TribLIVE.com
• How often do you watch the news on TV?
• 'JC, Take the Wheel!' Kevin Smith Looks Back on His Hilariously Heretical 'Dogma' 25 Years Later - Rolling Stone
• The #1 Anti-Inflammatory Diet Habit You Should Start, According to Dietitians - EatingWell
• Aussie firms Soul Patts and Brickworks' $9 billion merger sends their shares rocketing - CNBC
• Hulu’s ‘Predator: Killer Of Killers’ Lands Predator’s Best Critic Score Ever - Forbes