Solar System

  • A Guide to the Solar System

    Planets and planetoids, asteroids called Trojans and Centaurs, dwarf planets and plutoids, meteors, comets, extra terrestrial volcanoes and volcanoes made of ice! Moonscapes beautifully pockmarked with craters and valleys, and course, our endlessly...
    By Arlene McKanic September 12, 2011 

  • Small Bodies in the Solar System Explained

    The rarefied field of the classification of astronomical bodies made international headlines in 2006, when Pluto was demoted from its position as one of the planets. Less well publicized was the simultaneous creation of an entirely new group of objects...
    By Wendy A.M. Prosser September 7, 2011 

  • The Fascinating Moons of Mars

    How many moons does Mars have? Generally the answer to this query is a relatively simple one: two. While investigating these two satellites, speculation of sinister artificial origins rose, along with intriguing scientific exploration. No matter...
    By Jason C. Chavis August 31, 2011 

  • The Densest Planet of Our Solar System: The Earth

    Small but solid, our Earth is not only a paradise for life but also a place with remarkable physical properties. Despite its small volume, it holds the record of the densest planet in the Solar System, giving us a great opportunity to investigate the...
    By Aggeliki K. August 16, 2011 

  • How Fast Does the Earth Rotate?

    The Earth rotates once around its axis in 23.93 hours. It has a rotational speed that varies from the equator to the north or south poles. At the poles, the rotational speed will be very slow, while at the equator it will be very fast. So it is best to...
    By George Garza August 10, 2011 

  • The Sun and Earth in our Solar System

    The Sun is a big bright ball of plasma engaged in thermonuclear fusion. The Earth is a small rock that would be cold and dark if the Sun didn't keep it heated and lit. The Earth orbits the Sun as one of eight planets in our Solar System.
    By Kayar August 7, 2011 

  • How the Planets, Moons and Other Astronomical Objects are Named

    The organization known as the International Astronomical Union is responsible for naming planets, moons, planetary features and minor bodies within the solar system. It is also responsible for deciding the parameters that define each type of celestial...
    By Jason C. Chavis July 30, 2011 

  • Facts About John Couch Adams and His Contributions

    John Couch Adams was a brilliant scientist who made numerous significant contributions to the field of astronomy. We will look at his life and his contributions to the field of astronomy, particularly to planetary science, the Moon and the Leonid meteor...
    By Nick Oza July 26, 2011 

  • Learning About the Mars Endeavour Crater

    Sometimes scientists are afforded opportunities beyond those initially envisioned. The Mars rover "Opportunity" was thus well-named, since it has functioned much longer than envisioned. Additional science revelation is anticipated as the vehicle...
    By VinceSummers July 25, 2011 

  • What We Can Glean from the Study of the Moon

    From the effects of meteorites and asteroids, to the tides and even the bizarre origin of the Moon itself -- all of these are significant answers to the question: "How does studying the Moon help us learn more about Earth?".
    By Atlee Hargis July 19, 2011 
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