![]() A spherical surface has a horizon which is closer when viewed from a lower altitude. the ground itself would never obscure distant objects. On a completely flat Earth without obstructions mountains, hills, valleys or volcano’s. In the SVG image, hover over a graph to highlight it. s is along the surface of Earth, d is the straight line distance, and ~d is the approximate straight line distance assuming h << the radius of Earth, 6371 km. Main article: Horizon § Distance to the horizon Graphs of distances to the true horizon on Earth for a given height h. Visibility of distant objects on Earth's surface These include the visibility of distant objects on Earth's surface lunar eclipses appearance of the moon observation of the sky from altitude observation of certain, fixed stars from different locations observing the Sun surface navigation grid distortion on a spherical surface weather systems gravity and modern technology. ![]() The spherical shape causes a number of effects and phenomena that combined disprove flat Earth beliefs. The roughly spherical shape of Earth can be empirically evidenced by many different types of observation, ranging from ground level, flight, or orbit. JSTOR ( January 2023) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Empirical evidence for the spherical shape of Earth" – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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