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Topic: Solar system

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In the News (Wed 17 Apr 19)

  The Solar System
Nearly all the solar system by volume appears to be an empty void.
The solar magnetic field is the dominating magnetic field throughout the interplanetary regions of the solar system, except in the immediate environment of planets which have their own magnetic fields.
The terrestrial planets are the four innermost planets in the solar system, Mercury, Venus, Earth and Mars.
www.solarviews.com /eng/solarsys.htm   (1562 words)

  Solar System - MSN Encarta
Solar System, the Sun and everything that orbits the Sun, including the nine planets and their satellites; the asteroids and comets; and interplanetary dust and gas.
The dimensions of the solar system are specified in terms of the mean distance from Earth to the Sun, called the astronomical unit (AU).
The solar system was the only planetary system known to exist around a star similar to the Sun until 1995, when astronomers discovered a planet about 0.6 times the mass of Jupiter orbiting the star 51 Pegasi.
encarta.msn.com /encyclopedia_761557663/Solar_System.html   (1887 words)

 Solar system - Wikipedia, the free encyclopedia
In broad terms, the charted regions of the solar system consist of the Sun, four rocky bodies close to it called the terrestrial planets, an inner belt of rocky asteroids, four gas giant planets, three dwarf planets, and an outer belt of small, icy bodies known as the Kuiper belt.
The inner solar system was too warm for volatile molecules like water and methane to condense, and so the planetesimals which formed there were relatively small (comprising only 0.6% the mass of the disc) and composed largely of compounds with high melting points, such as silicates and metals.
The immediate galactic neighborhood of the solar system is known as the Local Fluff, an area of dense cloud in an otherwise sparse region known as the Local Bubble, an hourglass-shaped region roughly 300 light-years across.
en.wikipedia.org /wiki/Solar_system   (6273 words)

 The Solar System - Pictures of the planets
After each page of information about the solar system there are some review questions about the pictures on that page.
Total Solar Eclipse of 4 December 2002 Description and maps of the Path of Totality
Quiz about our solar system terms - covers the Sun, the Moon, all the planets, asteroids and comets.
www.the-solar-system.net   (359 words)

 World Almanac for Kids
SOLAR SYSTEM, Stellar-planetary unit consisting of the sun; the nine planets and their satellites; asteroids, and meteoroids and, comets; and interplanetary dust and gas.
The boundary between the solar system and interstellar space-called the heliopause-is estimated to occur near 100 AU.
Through the end of the 1980s, this solar system was the only planetary system known to exist, although a number of relatively nearby stars had been found to be encircled by swarms of orbiting material of indeterminate size or to be accompanied by suspected brown dwarfs.
www.worldalmanacforkids.com /explore/space/solarsystem.html   (1892 words)

 An Overview of the Solar System
The solar system consists of the Sun; the eight official planets, at least three "dwarf planets", more than 130 satellites of the planets, a large number of small bodies (the comets and asteroids), and the interplanetary medium.
One way to help visualize the relative sizes in the solar system is to imagine a model in which everything is reduced in size by a factor of a billion.
The asteroid belt between Mars and Jupiter forms the boundary between the inner solar system and the outer solar system.
www.nineplanets.org /overview.html   (1315 words)

 The Solar System
Our solar system consists of the sun, nine planets (and their moons), an asteroid belt, and many comets and meteors.
The sun is the center of our solar system; the planets, over 61 moons, the asteroids, comets, meteoroids and other rocks and gas all orbit the Sun.
The system comprising the SUN around which are the nine planets in elliptical orbits.
www.cdli.ca /CITE/solar_sys.htm   (498 words)

 Solar System, The Solar System, Planets Solar System at SPACE.com
The solar system is the home to the sun, nine planets including the Earth, the 158 known moons that orbit those planets, as well as a countless number of other celestial bodies that exist throughout this vast space.
The word "solar" is derived from the Latin word for sun, Sol, leading to the term solar system, or the system of the sun.
The planets that orbit the sun within the solar system include Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and the smallest planet of Pluto.
www.space.com /solarsystem   (511 words)

 Interactive Solar System
Our solar system consists of the sun, the nine planets and their moons, asteroids and comets.
The average distance of the earth to the sun is used as a standard for measuring distances in the solar system and is called an astronomical unit (AU).
The boundary between the solar system and interstellar space is called the heliopause, and is about 100 AU from the sun.
liftoff.msfc.nasa.gov /academy/space/solarsystem/solarsystemjava.html   (370 words)

 Solar System   (Site not responding. Last check: 2007-10-07)
Solar System 3D Simulator is a FREE software application that generates a realistic solar system model and planets in 3 Dimension on the PC using advanced physics formulas.
The Solar System model is useful for learning about the physics of the universe, astronomy, science projects and science experiments interactively for both adults and kids.
The Solar System 3D software has been designed for fast setup and interactivity with excellent high quality visual output.
www.sciencefair-projects.org /solarsystem/solarsystem.html   (207 words)

 The Solar System
Our solar system consists of the sun, nine planets (and their moons), an asteroid belt, and many comets and meteors.
The system comprising the SUN around which are the nine planets in elliptical orbits.
The Sun is in the center of the solar system.
www.stemnet.nf.ca /CITE/solar_sys.htm   (498 words)

 science@nasa - Solar System Missions
The coming years of solar system exploration promise to be the most exciting and productive yet, as we explore entirely new worlds and probe in even greater detail the facinating environments we have discovered.
The primary scientific objective of ICE was to study the interaction between the solar wind and a cometary atmosphere.
Solar system exploration has an increasing variety of tools available with which we can accomplish our scientific objectives.
science.hq.nasa.gov /missions/solar_system.html   (3006 words)

 Our Solar System - Succeed in Physical Science
A solar system is defined as a sun with a number of planets rotating around it.
Since there are billions of other suns or stars in the universe, it is assumed that many of them also have planets rotating around them as solar systems.
The Earth is the only planet in our solar system that can sustain life, as we know it.
www.school-for-champions.com /science/solarsystem.htm   (1034 words)

 Solar System
verything in the solar system is composed of matter except for comets.
When antimatter galactic dust enters our solar system, the antimatter is called comets.
People see comets from the antimatter and matter interactions of the solar wind and interstellar dust particles with the comet's nucleus, coma and tail.
www.matter-antimatter.com /solar_system.htm   (293 words)

 Open Directory - Science: Astronomy: Solar System   (Site not responding. Last check: 2007-10-07)
Solar System Exploration Home Page - The Solar System Exploration Home Page is part of NASA's Office of Space Science and describes NASA's program to explore the solar system.
Solar System Simulator - Online software that generates views of the bodies of our planetary system at any date from any artificial or natural point of observation.
Solar System Simulator - Shows the position of Venus, Earth and Mars at any date from 1900-2100.
dmoz.org /Science/Astronomy/Solar_System   (826 words)

 Solar System 3D Screensaver. All of the solar system at your finger tips!
This screensaver is an outstanding 3D model of the solar system.
Solar System 3D Screensaver 1.0 This screensaver is an outstanding 3D model of the solar system!
Solar System 3D Screensaver - Have you ever dreamed of getting a chance to see the rings of Saturn, the distant Pluto, the Asteroid Belt, Jupiter, Mars and of course the mother Earth from space?
download-soft.com /Programs/Shareware/Desktop-Enhancements/Screensavers/Free-download-Solar-System-3D-Screensaver.htm   (448 words)

 Solar System - By KidsAstronomy.com
In addition to planets, the Solar System also consists of moons, comets, asteroids, minor planets, and dust and gas.
After all, the creation of our Solar System took place billions of years before there were any people around to witness it.
Thus, without understanding from where the Solar System came from, it is difficult to comprehend how mankind came to be.
www.kidsastronomy.com /solar_system.htm   (462 words)

 NASA - Voyager Enters Solar System's Final Frontier
The termination shock is where the solar wind, a thin stream of electrically charged gas blowing continuously outward from the Sun, is slowed by pressure from gas between the stars.
At the termination shock, the solar wind slows abruptly from its average speed of 300 to 700 km per second (700,000 - 1,500,000 miles per hour) and becomes denser and hotter.
In July 2004 scientists used Voyagers to track a solar blast to the edges of the solar system.
www.nasa.gov /vision/universe/solarsystem/voyager_agu.html   (891 words)

 Solar System   (Site not responding. Last check: 2007-10-07)
One of two binary stars in the system, only Eros still burns bright.
All life on Aesir is based from a hard plastic-like substance which uses Aesir's atmosphere of sodium gases to survive; the structure of the plants is chamber-like, with two cilia systems, allowing the sodium gases to flow through them.
Current site of human influence in the system, Windfall has a long history of human habitation and exclusion from the rest of the Known Universe.
comp.uark.edu /~sbabb/fs_solsys.html   (1042 words)

 Study: Samples of comet dust show mix of material in solar system - USATODAY.com   (Site not responding. Last check: 2007-10-07)
Scientists expected the minute grains retrieved from a comet Wild 2 to be made up mostly of interstellar dust — tiny particles that flow through the solar system thought to be from ancient stars that exploded and died.
Hot particles from the inner solar system migrated out to the cold, outer fringes beyond Pluto where they intermingled and congealed to form a comet.
Brownlee said the solar system-forming process was probably chaotic and unstable, allowing high-temperature particles to loft billions of miles out to the edge of the solar system.
www.usatoday.com /tech/science/space/2006-12-14-comet-surprise_x.htm   (523 words)

 science@nasa - Solar System
In the next few decades, NASA intends to deepen our understanding of the solar system, with spacecraft fanning out to destinations from the innermost planet to the very edge of our Sun's influence.
Our Solar System is a place of beauty and mystery, incredible diversity, extreme environments, and continuous change.
Our Solar System is also a natural laboratory, on a grand scale, within which we seek to unravel the mysteries of the universe and our place within it.
science.hq.nasa.gov /solar_system/index.html   (576 words)

 Comets and the age of the solar system   (Site not responding. Last check: 2007-10-07)
The solar wind shoves the ionised gas away from the Sun, forming an almost straight ion, or gas, tail (Figure 1).
With the assumption of evolution, the Solar System is believed to have formed from the collapse of a large cloud of gas about 4.6 Ga ago.
The structure of the cometary cloud surrounding the solar system and a hypothesis concerning its origin.
www.answersingenesis.org /docs/4108.asp   (8195 words)

 Solar System
Use the graph to illustrate the data you have collected on the Solar System.
Brainstorm words and write a poem about the solar system with this poetry prompt.
Booklet format, for students to write a short report on the solar system.
www.abcteach.com /directory/theme_units/science/solar_system   (739 words)

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