ecliptical

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Planispheric astrolabic clock on display at the British Museum in London England Royalty Free Stock Photo

Planispheric astrolabic clock dated 1560 on display at the British Museum in London England Royalty Free Stock Photo

Landmarks of India - Jantar Mantar- Observatory in Jaipur Royalty Free Stock Photo

Axial tilt of Earth at 23.5 degrees. Diagram shows the Earth`s axis, north and south, the ecliptical plane around the sun and the perpendicular to the ecliptic.