1. Build A Solar System Exploratorium offers instructions for making a scale model of the solar system. Includes distance and size calculation tools, as well as links. Make a scale model of the solar system and learn the REAL definition of "space." http://www.exploratorium.edu/ronh/solar_system

Make a scale model of the Solar System and learn the REAL definition of "space." This Page requires a JavaScript capable browser. WebTV's Javascript is broken and will not calculate properly! Fill in the diameter of the Sun you want your model to be scaled by. You can fill in either the red bordered inches box or the green bordered millimeters box. Important: Only fill in one box. If both are filled in you will get a dialog box asking you to clear one of the boxes. Use the Clear button to clear the entire form. Click on the "Calculate" button. Notice that the distances and sizes of the planets will automatically fill in. I've also provided some other interesting scale comparisons at the bottom of the chart. You can now build your scale model. You can do this with a long tape measure, or you can measure the size of your pace and walk it off counting the number of steps you take. To mark a planet's place you can use a piece of paper on a post that you stick into the ground, or you can use a flag, or even a person. Be prepared for a long walk! If you build your solar system on a roll of toilet paper, you can make the Sun about .4 inches (10 mm) across and still fit the entire solar system on the roll. A standard roll of toilet paper has about 450 sheets that are about 4.375 inches long, hence the roll is about 164 feet long. You should check your toilet paper for length. Some are longer.

2. Views Of The Solar System Multimedia guide to the solar system and man's study and exploration of it. Find images, videos, planetary data and student resources. Views of the solar system (English). Vistas del Sistema Solar (Spanish) http://www.solarviews.com/

Welcome to ... Views of the Solar System (English) Vistas del Sistema Solar (Spanish) Vistas do Sistema Solar (Portuguese) Ansichten des Sonnensystems (German) ... Privacy Statement

3. The Nine Planets An overview of the history, mythology, and current scientific knowledge of each of the planets and Category Arts Writers Resources Science Fiction......The Nine Planets. A Multimedia Tour of the solar system. by Bill Arnett. Ourknowledge of our solar system is extensive. But it is far from complete. http://seds.lpl.arizona.edu/nineplanets/nineplanets/nineplanets.html

T he N ine P lanets A Multimedia Tour of the Solar System by Bill Arnett The Nine Planets is an overview of the history, mythology, and current scientific knowledge of each of the planets and moons in our solar system. Each page has text and images, some have sounds and movies, most provide references to additional related information. I nterplanetary spacecraft have revolutionized planetary science. Very little of this document would have been possible without the space program. Contents I ntroduction W hat's New ... malthea and T hebe I o ... asiphae and S inope R ecently discovered moons ... an and A tlas P rometheus and P andora E pimetheus ... elesto and C alypso D ione and H elene R hea ... elinda and P uck M iranda ... Stephano , and N eptune N aiad ... espina and G alatea L arissa ... luto and C haron S mall Bodies ... eeing the Solar System with your own eyes S pacecraft involved in planetary science H ow you can h elp support the continued exploration of space G lossary of technical terms and proper names A ppendices Solar System Data: Orbital Physical Misc Extrema , the biggest, brightest, etc. Discovery Chronology The Origin of the Solar System Planetary Linguistics , including the planets' names in various languages Astronomical Names and how they're assigned Hypothetical Planets (or "Don't believe everything you read") Master Picture List , an index of planetary images on the Net Credits for those who helped make this possible Mirror sites : There are copies of The Nine Planets at many sites around the world.

4. Views Of The Solar System Comprehensive multimedia tour with statistical data, detailed information, pictures and videos. Also includes educational resources. http://www.solarviews.com/eng/homepage.htm

Views of the Solar System by Calvin J. Hamilton THE SOLAR SYSTEM INTRODUCTION THE SUN MERCURY VENUS ... PLANETARY DATA RESOURCES STUDENT RESOURCES ACTIVITIES / LESSONS ICOSAHEDRONS ART GALLERY ... WEB MASTER V iews of the Solar System presents a vivid multimedia adventure unfolding the splendor of the Sun, planets, moons, comets, asteroids, and more. Discover the latest scientific information, or study the history of space exploration, rocketry, early astronauts, space missions, spacecraft through a vast archive of photographs, scientific facts, text, graphics and videos. Views of the Solar System offers enhanced exploration and educational enjoyment of the solar system and beyond. Introduction Sun Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto Asteroids Comets Meteorites History People Satellite Data Planetary Data Browser Glossary Credits Calvin J. Hamilton Privacy Statement

5. Solar System Live Views of the solar system presents a vivid multimedia adventure unfolding the splendor of the Sun, planets, moons, http://www.fourmilab.ch/solar/solar.html

Solar System Live by John Walker Welcome to Solar System Live, the interactive Orrery of the Web. You can view the entire Solar System , or just the inner planets (through the orbit of Mars). Controls allow you to set time and date, viewpoint, observing location, orbital elements to track an asteroid or comet, and a variety of other parameters. Click on the title of any control to display a help page explaining it, or go directly to the help table of contents . You can compose a request with custom settings and save the results in your browser's hotlist or bookmark table, allowing direct access to Solar System Live with all the controls preset to your own preferences. To use Solar System Live, you need a graphical Web browser with forms support and the ability to display GIF images. Windows users can create orrery displays like this in real time, on their own machines, as well as view the Earth, sky, stars at the horizon, track Earth satellites, and more with Home Planet , my public domain Earth/Space/Sky simulator available for downloading from this site. Other public domain astronomy and space software available from this site includes: On the Web: Earth Viewer Terranova: a new terraformed planet every day Your Sky makes custom star maps for any location on Earth at any date and time.

6. JPL Solar System Dynamics JPL's solar system dynamics WWW site provides information related to all known bodies in orbit around the sun. http://ssd.jpl.nasa.gov/

JPL's solar system dynamics WWW site provides information related to all known bodies in orbit around the sun. This site is maintained by the Solar System Dynamics Group of the Jet Propulsion Laboratory General Ephemerides - ``HORIZONS'' Observer Tools Astrodynamic Constants Related Pages Glossary of Terms Planets Mean Orbital Elements Physical Properties Earth: Geodetic and Geophysical Data Pluto ... Orbit Plots Other Solar System Bodies Meteor Streams Leonids Spacecraft Natural Satellites Discovery Circumstances Physical Parameters Mean Orbital Parameters Current Ephemeris List Comets and Asteroids Solar System Exploration Targets Close Earth Approaches Orbital Elements DASTCOM ... Near-Earth Object (NEO) Program JPL Home Caltech Home NASA Home Credits/Awards Contact: Webmaster (webmaster@ssd.jpl.nasa.gov) Last modified: 2003 January 27 08:42

7. Virtual Solar System @ Nationalgeographic.com Discover the wonders of our solar system in a spectacular 3D environment. http://www.nationalgeographic.com/solarsystem/splash.html

Discover the wonders of our solar system in a spectacular 3-D environment. Take a flyby tour of the sun and each planet in its orbit, observe planets and extraterrestrial weather patterns up close, and more. For PC only Requires free Viscape SVR plug-in For PC and Mac

8. Calvin J. Hamilton's Pages Unavailable Views of the solar system. Multiscale maps of Washington, DC, Mars, and the San Francisco Bay area http://www.c3.lanl.gov/~cjhamil/SolarSystem/homepage.html

Calvin J. Hamilton's Pages Unavailable Calvin J. Hamilton has left the Los Alamos National Laboratory. As a result, his web pages are no longer being hosted at this site. He is currently trying to move them elsewhere; when the sites become active again, the links will be added to the following list. Views of the Solar System Multi-scale maps of Washington, DC, Mars, and the San Francisco Bay area We apologize for any inconvenience this may cause. c3webmeister@c3.lanl.gov

9. NASA - JPL Solar System Simulator Online software that generates views of the bodies of our planetary system at any date from any artificia Category Science Astronomy solar system......Show me The solar system http://space.jpl.nasa.gov/

Show me The Solar System The Sun Mercury Venus Earth ...The Moon Mars ...Phobos ...Deimos Jupiter ...Io ...Europa ...Ganymede ...Callisto Saturn ...Mimas ...Enceladus ...Tethys ...Dione ...Rhea ...Titan ...Iapetus Uranus ...Ariel ...Umbriel ...Titania ...Oberon ...Miranda Neptune ...Triton Pluto ...Charon as seen from above below The Sun Mercury Venus Earth ...The Moon Mars ...Phobos ...Deimos Jupiter ...Io ...Europa ...Ganymede ...Callisto ...Galileo Saturn ...Mimas ...Enceladus ...Tethys ...Dione ...Rhea ...Titan ...Hyperion ...Iapetus ...Phoebe Uranus ...Ariel ...Umbriel ...Titania ...Oberon ...Miranda Neptune ...Triton Pluto ...Charon Cassini spacecraft Galileo spacecraft Galileo Jup. probe Voyager 1 spacecraft Voyager 2 spacecraft On Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec in the year at GMT I want a field of view of degree(s) I want the body to take up percent of the image width -planet orbits -satellite orbits -constellation lines -extra brightness Samples Artwork Maps Models ... Site Map Simulator Developer / Artist / Webmaster: David Seal

10. SOLAR SYSTEM Find information on the origin of our solar system, with planetary comparisons and images of all the major solar bodies. to the skies and navigate through the solar system. You will find information on the solar origins, planetary http://www.geocities.com/CapeCanaveral/Lab/2683

Welcome to the Solar System. Let's take off to the skies and navigate through the solar system. You will find information on the solar origins, planetary comparisons and you will be able to view all the major solar bodies. Visit the NASA for kids site from here! Please take a minute of your time to fill in this feedback form passing your comments on this site. you are visitor number to this page This page hosted by Get your own Free Home Page

11. An Overview Of The Solar System An Overview of the solar system. Basics. The Mars The planets of theouter solar system are Jupiter, Saturn, Uranus, Neptune and Pluto http://seds.lpl.arizona.edu/nineplanets/nineplanets/overview.html

An Overview of the Solar System Basics T he solar system consists of the Sun ; the nine planets, over 100 satellites of the planets, a large number of small bodies (the comets and asteroids), and the interplanetary medium. (There are also many more planetary satellites that have been discovered but not yet been officially named.) The inner solar system contains the Sun, Mercury Venus Earth and Mars T he planets of the outer solar system are Jupiter Saturn Uranus Neptune and Pluto T he orbits of the planets are ellipses with the Sun at one focus, though all except Mercury and Pluto are very nearly circular. The orbits of the planets are all more or less in the same plane (called the ecliptic and defined by the plane of the Earth's orbit) . The ecliptic is inclined only 7 degrees from the plane of the Sun's equator. Pluto's orbit deviates the most from the plane of the ecliptic with an inclination of 17 degrees. The above diagrams show the relative sizes of the orbits of the nine planets from a perspective somewhat above the ecliptic (hence their non-circular appearance). They all orbit in the same direction (counter-clockwise looking down from above the Sun's north pole); all but Venus, Uranus and Pluto also rotate in that same sense. (The above diagrams show correct positions for October 1996 as generated by the excellent Macintosh program Starry Night ; there are also many other planetarium programs available.)

12. Astronomy 121 Summer 1995 Introductory course taught at the University of Oregon. Includes course materials and many links to supplementary resources. http://zebu.uoregon.edu/astr121.html

Astronomy 121 On-line Access Properties of Our Solar System: Course Materials Administrative stuff: Course Overview Course Outline Helpful Computer Hints for Survival in this Class Paperless Class ... Read The Newsgroup for This Class Some Internet Resources for This Class The Periodic Table of Elements Hubble Space Telescope Current Positions of the Planets Welcome to the Planets ... Voyager Mission to the Outer Planets Quizzes, Tests and Homework: First Homework Assignment First Midterm Hints Take The First Midterm Lab Exercise for Tuesday July 18 ... Take The Second Exam Lectures: Lecture #1 > What is this Class About Anyway? Lecture #2 > Early Solar System Models Lecture #3 > Newton, Gravity and Orbits Lecture #4 > Orbital Properties of the Solar System Lecture #4a > Orbital Properties of the Earth Lecture #5,6 > Overview of The Solar System Lecture #7 > Formation of The Solar System Lecture #7a > Formation of The Earth's Moon Lecture #8 > Formation of Planetary Atmospheres Lecture #9 > From Atmospheric Chemistry to DNA on the Earth Atmosphere Lecture #9a > Monomers to Polymers Lecture #9b > Oxygen Addition to the Earth's Atmosphere Lecture #10,11 >

13. Your Gateway To Entire Knowledge About The Universe We provide info about the beginning of universe and solar system. About the planets, quasars, the Milky Way, black holes. Life of a star, etc. Travel in space and extraterrestrial beings. http://www.geocities.com/beyondearth2001/

This page uses frames, but your browser doesn't support them.

14. Bob The Alien's Tour Of The Solar System Information about planets, moons, comets, asteroids, stars and galaxies. http://hometown.aol.com/bobalien99/index.htm

Click here to enter the website.......... var site="sm3aliencounter"

15. Astronomy For Kids Site produced by three sixth graders has information on several topics including black holes, nebulae, phases of the moon and our solar system. Visitors can try the virtual telescope to see planets and constellations. http://tqjunior.advanced.org/3645/page2.html

16. Planetary Data System Home solar system exploration science data archive, maintained at JPL. http://pds.jpl.nasa.gov/

NEW! Mars Odyssey releases its third delivery of archive data through the PDS online system The Planetary Data System (PDS) archives and distributes scientific data from NASA planetary missions, astronomical observations, and laboratory measurements. The PDS is sponsored by NASA's Office of Space Science. Its purpose is to ensure the long-term usability of NASA data and to stimulate advanced research. Learn more about PDS This is where you can find science data and documentation archived in PDS. This is the place to go for dazzling images and information about NASA's planetary missions. This section provides the tools and information you need to archive data in the PDS. This link takes you to our educational resources. Home Scientists Public Data Producers Educators ... Help The PDS includes seven university/research center science teams, called discipline nodes. You can visit them through the links below. PDS Webmaster: Valerie.L.Henderson@jpl.nasa.gov PDS Project Manager: Laverne Hall, JPL Laverne.Hall@jpl.nasa.gov

17. Orrery : Solar System Simulator A Java applet that simulates gravitating masses. Features a working model with motions and sizes of 70 planets and moons to scale. http://www.cuug.ab.ca/~kmcclary/

Update(Nov.2000)The Linux version of the new Mozilla close all applications before clicking on the model links. use a small browser window, the problem gets worse as the size of the display increases. while zooming turn "PLAY" off and don't drag the mouse - just click. Zoom: Click or drag the mouse near the edge/center of the display (black area) to ZOOM out/in. Destroy, Create (not working in some models) see below In some models the status line of your browser shows the width of the display in kilometers, astronomical units and light years. Orrery : Solar System Simulator A Java Applet that simulates gravitating masses. Solar system models and demos of Lagrange points, solar system stability, etc. New! Orrery with NASA Images Links ( Most contributed by Jeff K. ) Calculators Online Applets (write once, crash everywhere): N-Body motion simulation in Java Gravitation 3.8 Solar Sail Navigation School Inner Solar System Model ... JLABS Orrery Applet Other software: Orrery program using Java-3D Orbit Xplorer Windows, 15 second demo. Gravitator Pro Newtons Aquarium (MacOS - free demo offered) Mercury Celestial and Orbital Mechanics Web Site Other solar system sites: Solar System Live (Where are the planets today?)

18. Solar System Astronomy A timeline. http://www.gsu.edu/other/timeline/planets.html

Solar System Astronomy -2136 : Chinese astronomers record a solar eclipse -586 : Thales of Miletus predicts a solar eclipse -350 : Aristotle argues for a spherical Earth using lunar eclipses and other observations -280 : Aristarchus uses the size of the Earth's shadow on the Moon to estimate that the Moon's radius is one-third that of the Earth -200 : Eratosthenes uses shadows to determine that the radius of the Earth is roughly 6,400 km -150 : Hipparchus uses parallax to determine that the distance to the Moon is roughly 380,000 km -134 : Hipparchus discovers the precession of the equinoxes 1512 : Nicholas Copernicus first states his heliocentric theory in Commentariolus 1543 : Nicholas Copernicus shows that his heliocentric theory simplifies planetary motion tables in De Revolutionibus de Orbium Coelestium 1577 : Tycho Brahe uses parallax to prove that comets are distant entities and not atmospheric phenomena 1609 : Johannes Kepler states his first two empirical laws of planetary motion 1610 : Galileo Galilei discovers Callisto, Europa, Ganymede, and Io

19. Deep Space Network Home Page NASA's worldwide antenna network to support the exploration of the solar system. http://deepspace.jpl.nasa.gov/dsn/

NASA Administrator Announces Out-Of-This-World Opportunity For Teachers Administrator Sean O'Keefe and Florida First Lady Columba Bush have outlined a unique NASA program designed to show learning in a whole new light by giving students and teachers across the country an out-of-this-world experience. MORE... ABOUT THE DEEP SPACE NETWORK The NASA Deep Space Network - or DSN - is an international network of antennas that supports interplanetary spacecraft missions and radio and radar astronomy observations for the exploration of the solar system and the universe. The network also supports selected Earth-orbiting missions. The DSN currently consists of three deep-space communications facilities placed approximately 120 degrees apart around the world: at Goldstone , in California's Mojave Desert; near Madrid, Spain; and near Canberra , Australia. This strategic placement permits constant observation of spacecraft as the Earth rotates, and helps to make the DSN the largest and most sensitive scientific telecommunications system in the world. NASA's scientific investigation of the Solar System is being accomplished mainly through the use of unmanned automated spacecraft. The DSN provides the vital two-way communications link that guides and controls these planetary explorers, and brings back the images and new scientific information they collect. All DSN antennas are steerable, high-gain, parabolic reflector antennas.

20. JPL Solar System Dynamics Glossary JPL solar system Dynamics Glossary. This document describes the lessfamiliarterms used in the JPL solar system Dynamics WWW pages. http://ssd.jpl.nasa.gov/glossary.html

JPL Solar System Dynamics Glossary This document describes the less-familiar terms used in the JPL Solar System Dynamics WWW pages. If you run across a term used in those pages that is not in this glossary and should be, please email the Glossary Keeper (webmaster@ssd.jpl.nasa.gov) with your request. Corrections are also solicited. This page is organized in two sections: Section 1 contains a list of each term sorted alphabetically , with a link to the term's description in the section 2. Section 2 groups terms by category and describes each term in turn. Terms Listed Alphabetically AU Absolute Magnitude (H) Albedo Argument of Perihelion ... Vernal Equinox General Terms Absolute Magnitude (H) The magnitude of an asteroid at zero phase angle and at unit heliocentric and geocentric distances. [2] Albedo Geometric albedo is the ratio of a body's brightness at zero phase angle to the brightness of a perfectly diffusing disk with the same position and apparent size as the body. [1] Asteroid An asteroid is a planetesimal in orbit around the sun. Generally, asteroids are rocky bodies concentrated in orbits between Mars and Jupiter. The largest known asteroid is 1 Ceres which is about 933 km (~580 mi) in diameter. Astrometry Astrometry pertains to the measurement of the position in the sky of solar-system bodies. Position measurements are typically made in

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