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written by Mario Belloni and Todd Timberlake
The Naked Eye Sidereal and Solar Day model illustrates the difference between the sidereal and solar day. This simulation shows the view from the Earth as one would observe in the night sky. The sidereal day is the day according to the stars. It is the time it takes for a particular star to rotate around the Earth (from the Earth's perspetive) and end up in the same part of the sky as it started. On Earth, this time is 23 hours and 56 minutes. The unit of time called a solar day is the time it takes for the Sun to get back to the same place in the sky as it was before. On Earth, this time is 24 hours.

This simulation shows the difference between the sidereal and solar day by showing the motion of the stars (the zodiacal symbols) and the sun (orange). It uses an orange arrow to represent where Sun would be seen in the sky relative to the background stars. A particular star is denoted by a red arrow. Users canalso add a visual of the Moon to see the difference between the sidereal month and the synodic month.

The Naked Eye Sidereal and Solar Day 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_SiderealSolarNakedEye.jar file will run the program if Java is installed.

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
= Night Sky
- Lower Undergraduate
- High School
- Upper Undergraduate
- Instructional Material
= Curriculum support
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/java
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Access Rights:
Free access
License:
This material is released under a GNU General Public License Version 3 license.
Rights Holder:
Mario Belloni and Todd Timberlake
Keywords:
EJS, Easy Java Simulations, OSP, Open Source Physics, astronomy, day, month, moon, naked eye, night sky, sidereal, solar, synodic
Record Cloner:
Metadata instance created September 2, 2013 by Mario Belloni
Record Updated:
June 10, 2014 by Andreu Glasmann
Last Update
when Cataloged:
September 2, 2013
Other Collections:

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Record Link
AIP Format
M. Belloni and T. Timberlake, Computer Program NAKED EYE SIDEREAL AND SOLAR DAY, Version 1.0 (2013), WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12990&DocID=3563).
AJP/PRST-PER
M. Belloni and T. Timberlake, Computer Program NAKED EYE SIDEREAL AND SOLAR DAY, Version 1.0 (2013), <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12990&DocID=3563>.
APA Format
Belloni, M., & Timberlake, T. (2013). Naked Eye Sidereal and Solar Day (Version 1.0) [Computer software]. Retrieved October 22, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12990&DocID=3563
Chicago Format
Belloni, Mario, and Todd Timberlake. "Naked Eye Sidereal and Solar Day." Version 1.0. http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12990&DocID=3563 (accessed 22 October 2014).
MLA Format
Belloni, Mario, and Todd Timberlake. Naked Eye Sidereal and Solar Day. Vers. 1.0. Computer software. 2013. Java (JRE) 1.5. 22 Oct. 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12990&DocID=3563>.
BibTeX Export Format
@misc{ Author = "Mario Belloni and Todd Timberlake", Title = {Naked Eye Sidereal and Solar Day}, Month = {September}, Year = {2013} }
Refer Export Format

%A Mario Belloni
%A Todd Timberlake
%T Naked Eye Sidereal and Solar Day
%D September 2, 2013
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12990&DocID=3563
%O 1.0
%O application/java

EndNote Export Format

%0 Computer Program
%A Belloni, Mario
%A Timberlake, Todd
%D September 2, 2013
%T Naked Eye Sidereal and Solar Day
%7 1.0
%8 September 2, 2013
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12990&DocID=3563


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Citation Source Information

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

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Naked Eye Sidereal and Solar Day:

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 Naked Eye: Sidereal and Solar Day.

relation by Mario Belloni
Covers the Same Topic As Naked Eye Sidereal and Solar Day JS Model

The Naked Eye Sidereal and Solar Day Model is the Java version of the Naked Eye Sidereal and Solar Day JS Javascript simulation.

relation by Mario Belloni

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