Conceptual Physics.
Dublin Core
Title
Conceptual Physics.
Subject
Physics
Description
Even before history began, people must already have noticed certain facts about the sky. The sun and moon both rise in the east and set in the west. Another fact that can be settled to a fair degree of accuracy using the naked eye is that the apparent sizes of the sun
and moon don’t change noticeably. (There is an optical illusion that makes the moon appear bigger when it’s near the horizon, but you can easily verify that it’s nothing more than an illusion by checking
its angular size against some standard, such as your pinkie held at arm’s length.) If the sun and moon were varying their distances from us, they would appear to get bigger and smaller, and since they don’t appear to change in size, it appears, at least approximately,
that they always stay at the same distance from us.
and moon don’t change noticeably. (There is an optical illusion that makes the moon appear bigger when it’s near the horizon, but you can easily verify that it’s nothing more than an illusion by checking
its angular size against some standard, such as your pinkie held at arm’s length.) If the sun and moon were varying their distances from us, they would appear to get bigger and smaller, and since they don’t appear to change in size, it appears, at least approximately,
that they always stay at the same distance from us.
Creator
Benjamin Crowell
Source
https://florida.theorangegrove.org/og/file/399e02ef-156b-90ad-eada-419a26eb3c36/1/ConceptualPhysics.pdf
Publisher
-
Date
2008
Contributor
Baihaqi
Rights
Creative Commons
Format
PDF
Language
English
Type
Textbooks
Files
Collection
Citation
Benjamin Crowell, “Conceptual Physics.,” Open Educational Resource (OER) - USK Library, accessed December 4, 2024, http://uilis.usk.ac.id/oer/items/show/2889.