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Astronomical Parallax 2D JS Model
written by Todd Timberlake and Mario Belloni
The Astronomical Parallax 2D Javascript Model illustrates the phenomenon of parallax in astronomy. Parallax is the apparent displacement of an object relative to the background that is caused by the motion of the observer (rather than the motion of the object itself, or of the background). This simulation illustrates the parallax of an object in space that results from the Earth's rotational or orbital motions.

The simulation has two different modes. The default is an Earth Rotation Mode. In this mode the simulation illustrates the parallax caused by Earth's rotation on its axis. The other mode for the simulation is Earth Orbit Mode. In this mode the simulation illustrates the parallax caused by Earth's orbit around the Sun. Now the observer moves along Earth's orbital path (shown as a blue circle with the orange Sun in the center). The bottom window shows the apparent motion of the object being observed.

The Astronomical Parallax 2D JS Model was developed using the Easy Java Simulations (EJS) version 5.  It is distributed as a ready-to-run html page and requires only a browser with JavaScript support.
1 source code document is available
Subjects Levels Resource Types
Astronomy
- Astronomy Education
= Curricula
- Fundamentals
= Night Sky
- Lower Undergraduate
- High School
- Upper Undergraduate
- Instructional Material
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/javascript
- application/zip
- text/html
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Access Rights:
Free access
License:
This material is released under a Creative Commons Attribution-Noncommercial-No derivatives 3.0 license.
Rights Holder:
Todd Timberlake and Mario Belloni
Keywords:
EJSS, OpenSurce Physics, Sun, javascript, parallax, star
Record Cloner:
Metadata instance created September 2, 2013 by Mario Belloni
Record Updated:
January 25, 2023 by Lyle Barbato
Last Update
when Cataloged:
September 2, 2013
Other Collections:

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Record Link
AIP Format
T. Timberlake and M. Belloni, Computer Program ASTRONOMICAL PARALLAX 2D JS MODEL, Version 1.0 (2013), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12995&DocID=3571).
AJP/PRST-PER
T. Timberlake and M. Belloni, Computer Program ASTRONOMICAL PARALLAX 2D JS MODEL, Version 1.0 (2013), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12995&DocID=3571>.
APA Format
Timberlake, T., & Belloni, M. (2013). Astronomical Parallax 2D JS Model (Version 1.0) [Computer software]. Retrieved March 19, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12995&DocID=3571
Chicago Format
Timberlake, Todd, and Mario Belloni. "Astronomical Parallax 2D JS Model." Version 1.0. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12995&DocID=3571 (accessed 19 March 2024).
MLA Format
Timberlake, Todd, and Mario Belloni. Astronomical Parallax 2D JS Model. Vers. 1.0. Computer software. 2013. 19 Mar. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12995&DocID=3571>.
BibTeX Export Format
@misc{ Author = "Todd Timberlake and Mario Belloni", Title = {Astronomical Parallax 2D JS Model}, Month = {September}, Year = {2013} }
Refer Export Format

%A Todd Timberlake %A Mario Belloni %T Astronomical Parallax 2D JS Model %D September 2, 2013 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12995&DocID=3571 %O 1.0 %O application/javascript

EndNote Export Format

%0 Computer Program %A Timberlake, Todd %A Belloni, Mario %D September 2, 2013 %T Astronomical Parallax 2D JS Model %7 1.0 %8 September 2, 2013 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12995&DocID=3571


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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.

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Astronomical Parallax 2D JS Model:

Covers the Same Topic As Astronomical Parallax 2D

The Astronomical Parallax 2D JS Model is the Javascript version of the Java-based Astronomical Parallax 2D Model.

relation by Mario Belloni
Is Based On Easy Java Simulations Modeling and Authoring Tool

Use the Easy Java Simulations Modeling and Authoring Tool to edit and to explore the source code for the Astronomical Parallax 2D JS Model.

relation by Lyle Barbato

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