Solar System

  • Do Supermoons Cause Earthquakes and Volcanic Eruptions?

    Does the “supermoon” phenomenon cause earthquakes and volcanoes? While astrologers believe that the full Moon at perigee is responsible for natural disasters, scientists don’t agree with the arguments put forward by doomsday soothsayers...
    By Anurag Ghosh May 2, 2012 

  • The Solar Flare Cycle

    Magnetic storms continuously course through the sun’s photosphere. Sometimes, the magnetic lines of force shear and cross each other. When they do, a solar flare is propelled into space. If the flare heads to Earth, communications can be disrupted...
    By George Adcock March 14, 2012 

  • Solar Storms Can Cause Severe Damage on Earth

    The Sun gives warmth, light, life. But within its boiling cauldron storms rage, and sometimes these storms expel massive plasma and radiation storms at Earth. These solar storms from space can play havoc with our lives.
    By George Adcock January 24, 2012 

  • Inside the Milky Way: Where is Earth's position?

    Where are we? That’s a question many people today can quickly answer by using a GPS device. But where is the Earth? More precisely, where in the Milky Way galaxy is the Earth and our Solar System? And, what is in the Milky Way? Read...
    By RC Davison November 1, 2011 

  • Other Moons Of Our Solar System: Do They Too Have Phases?

    If you watch our moon over the course of a month you will see it grow from a sliver of a crescent to a blazing spotlight in the night—the full moon. But is this elegant property of phases exclusive to our moon, or do other moons in the solar system...
    By RC Davison November 1, 2011 

  • Size of Solar System vs. Size of Our Galaxy

    Size is relative. How big is big? Well, if you have to travel from New York to Hong Kong that’s a pretty long trip, but it pales in comparison if you had to travel across the Solar System. The Solar System is big, but compared to size of the...
    By RC Davison November 1, 2011 

  • A Gallery of Hauntingly Beautiful Deep Space Images

    The Hubble Space Telescope has given us spectacular images of deep space objects that not only have expanded our knowledge of the Universe but shown us its beauty. Here are a few of the most spectacular deep space images HST has given us.
    By George Adcock October 23, 2011 

  • Saturn's Moon Enceladus Grabs the Attention of Alien Life Hunters

    The possible presence of water under the surface of Enceladus, one of Saturn's moons, has brought the satellite to the attention of exobiologists, a group of scientists dedicated to exploring the possibility of life throughout the Solar System and...
    By Wendy A.M. Prosser October 18, 2011 

  • Are You Knowledgeable About Neptune?

    How knowledgeable you are about Neptune, now our eighth and last planet since Pluto was demoted? Take the challenge and test how well you know your facts!
    By Arlene McKanic October 8, 2011 

  • Our Family of Planets and Moons - The Solar System Image Gallery

    To the ancients, planets were merely wandering points of light against a backdrop of fixed stars. The only moon they knew was that of our own Earth. With modern technology, we have seen each of these wanderers up close in all their grandeur and beauty...
    By Rod Martin, Jr. September 28, 2011 
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