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Earth Orbit Model
written by Todd Timberlake
The EJS Earth Orbit model illustrates the Copernican theory of Earth's orbit around the sun. The top window shows a view from outside the celestial sphere. The simulation shows the moving Earth along with its axis or rotation and the line of sight from Earth, through Sun, to the Celestial Sphere. The end of the arrow indicates where, on the Celestial Sphere, Sun appears to be located as seen from Earth. The tilt of Earth's rotational axis (relative to the ecliptic plane) is adjustable. The bottom window shows the view of a portion of the sky (near the ecliptic) as seen by an observer on Earth.  You can modify this simulation if you have EJS installed by right-clicking within the plot and selecting "Open Ejs Model" from the pop-up menu item.

EJS Earth Orbit model was created using the Easy Java Simulations (EJS) modeling tool.  It is distributed as a ready-to-run (compiled) Java archive.   Double clicking the ejs_astronomy_EarthOrbit.jar file will run the program if  Java is installed.  EJS is a part of the Open Source Physics Project and is designed to make it easier to access, modify, and generate computer models.  Additional EJS models for astronomy are available.  They can be found by searching ComPADRE for  Open Source Physics, OSP, or EJS.

Please note that this resource requires at least version 1.5 of Java (JRE).
1 source code document is available
Subjects Levels Resource Types
Astronomy
- Astronomy Education
= Curricula
- Fundamentals
= Night Sky
- Historical Astronomy
= History of Astronomy
- Lower Undergraduate
- Middle School
- High School
- Instructional Material
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- General Publics
- application/java
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Access Rights:
Free access
License:
This material is released under a Creative Commons Attribution 3.0 license.
Rights Holder:
Todd Timberlake
Keywords:
EJS, Earth, Easy Java Simulations, OSP, Open Source Physics, Sun, celestial globe, celestial sphere, orbit
Record Cloner:
Metadata instance created August 26, 2009 by Mario Belloni
Record Updated:
December 2, 2021 by Lyle Barbato
Last Update
when Cataloged:
August 18, 2009
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
T. Timberlake, Computer Program EARTH ORBIT MODEL, Version 1.0 (2009), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=9390&DocID=1297).
AJP/PRST-PER
T. Timberlake, Computer Program EARTH ORBIT MODEL, Version 1.0 (2009), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=9390&DocID=1297>.
APA Format
Timberlake, T. (2009). Earth Orbit Model (Version 1.0) [Computer software]. Retrieved December 14, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=9390&DocID=1297
Chicago Format
Timberlake, Todd. "Earth Orbit Model." Version 1.0. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=9390&DocID=1297 (accessed 14 December 2024).
MLA Format
Timberlake, Todd. Earth Orbit Model. Vers. 1.0. Computer software. 2009. Java (JRE) 1.5. 14 Dec. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=9390&DocID=1297>.
BibTeX Export Format
@misc{ Author = "Todd Timberlake", Title = {Earth Orbit Model}, Month = {August}, Year = {2009} }
Refer Export Format

%A Todd Timberlake %T Earth Orbit Model %D August 18, 2009 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=9390&DocID=1297 %O 1.0 %O application/java

EndNote Export Format

%0 Computer Program %A Timberlake, Todd %D August 18, 2009 %T Earth Orbit Model %7 1.0 %8 August 18, 2009 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=9390&DocID=1297


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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Style.org: Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

The MLA Style presented is based on information from the MLA FAQ.

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Earth Orbit Model:

Is Based On Easy Java Simulations Modeling and Authoring Tool

The Easy Java Simulations Modeling and Authoring Tool is needed to explore the computational model used in the Earth Orbit Model.

relation by Mario Belloni

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