| skos:altLabel | - his theory
- spherical
- sphere
- spherical earth
- Aristotle's argument
- Earth is round
- Earth is spherical
- Earth was spherical
- Earth's sphere
- Earth's sphericity
- Sphaira
- Spherical Earth Theory
- Spherical Earth#History
- Spherical Earth#Islamic astronomy
- Sphericity of the Earth
- The Earth is often approximated as a sphere
- earth is round
- earth was spherical
- round shape
- spherical Earth
- spherical in shape
- spherical like the heavens
- spherical self-supporting earth
- spherical shape
- spherical shape of the Earth
- sphericity of earth
- sphericity of the Earth
- sphericity of the planet
- the Earth is a sphere
- world is a sphere
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