1 / 11

The sun-stick (the shadow stick) 1. Used to pinpoint cardinal directions (N, S, E, W)

The sun-stick (the shadow stick) 1. Used to pinpoint cardinal directions (N, S, E, W) 2 . Used by Eratosthenes to measure the size of the Earth (circumference) 3. Used to determine latitude of one’s location on Earth. Equinox vs Solstice. The Gnomon

havyn
Télécharger la présentation

The sun-stick (the shadow stick) 1. Used to pinpoint cardinal directions (N, S, E, W)

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The sun-stick (the shadow stick) 1. Used to pinpoint cardinal directions (N, S, E, W) 2. Used by Eratosthenes to measure the size of the Earth (circumference) 3. Used to determine latitude of one’s location on Earth

  2. Equinox vs Solstice

  3. The Gnomon 1. Used by Chaldean, Babylonian and Chinese astronomers 2. Part of a sundial that casts the shadow

More Related