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written by Todd Timberlake
The EJS Venus Phases model illustrates the phases of Venus as predicted by either the Copernican system of the Ptolemaic system (the Copernican system is the default). One window shows Earth, Sun, and Venus on its Copernican orbit. Venus is shown as a disk with the side facing the sun colored yellow (since it reflects the sun's light) and the other side colored dark gray (since that side is dark). Playing the simulation puts all moving objects (Venus and Earth/Sun) in motion. Another window shows what Venus would look at this position, when viewed from Earth through a telescope. A menu option displays another window showing Galileo's drawings of his telescope observations of Venus.  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 Phases of Venus 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_VenusPhases.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).
View the source code document attached to this resource
Subjects Levels Resource Types
Astronomy
- Astronomy Education
= Curricula
- Fundamentals
= Lunar Phases
- Solar System
= Earth
= Venus
- Lower Undergraduate
- Middle School
- High School
- Instructional Material
= Curriculum support
= Interactive Simulation
Intended Users Formats Ratings
- Educators
- Learners
- 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, Easy Java Simulations, OSP, Open Source Physics, Venus, phase, phases
Record Cloner:
Metadata instance created August 18, 2009 by Mario Belloni
Record Updated:
June 11, 2014 by Andreu Glasmann
Last Update
when Cataloged:
August 18, 2009
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
T. Timberlake, Computer Program PHASES OF VENUS MODEL, Version 1.0 (2009), WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9377&DocID=1274).
AJP/PRST-PER
T. Timberlake, Computer Program PHASES OF VENUS MODEL, Version 1.0 (2009), <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9377&DocID=1274>.
APA Format
Timberlake, T. (2009). Phases of Venus Model (Version 1.0) [Computer software]. Retrieved October 1, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9377&DocID=1274
Chicago Format
Timberlake, Todd. "Phases of Venus Model." Version 1.0. http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9377&DocID=1274 (accessed 1 October 2014).
MLA Format
Timberlake, Todd. Phases of Venus Model. Vers. 1.0. Computer software. 2009. Java (JRE) 1.5. 1 Oct. 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9377&DocID=1274>.
BibTeX Export Format
@misc{ Author = "Todd Timberlake", Title = {Phases of Venus Model}, Month = {August}, Year = {2009} }
Refer Export Format

%A Todd Timberlake
%T Phases of Venus Model
%D August 18, 2009
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9377&DocID=1274
%O 1.0
%O application/java

EndNote Export Format

%0 Computer Program
%A Timberlake, Todd
%D August 18, 2009
%T Phases of Venus Model
%7 1.0
%8 August 18, 2009
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9377&DocID=1274


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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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Phases of Venus 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 EJS Phases of Venus Model.

relation by Mario Belloni

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