If Earth was Flat

Which of the following provides evidence that the Earth is spherical?

• The Earth's horizon

• The Earth's circular shadow on the moon during a lunar eclipse

• Photos and videos taken from space

• All of the above

If the Earth were initially flat, what would gravity cause it to do within a few hours?

• Expand into a larger flat disk

• Remain flat indefinitely

• Be pressed back into a spherical form

• Break apart into smaller pieces

What would be a consequence if a flat Earth could not hold onto its atmosphere?

• The skies would turn dark

• The Earth's temperature would drop

• There would be no oxygen left

• All of the above

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What critical protective feature would a flat Earth be unable to generate, leaving it vulnerable to solar wind?

• A strong gravitational pull

• A magnetic field

• A stable atmosphere

• A day and night cycle