Current Events

  • Atmospheric CO2 Level Tops 400 ppm
    During the week of May 13th, the CO2 level at the Mauna Loa Observatory in Hawaii topped 400 ppm rep...Read more

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    Atmospheric CO2 Level Tops 400 ppm

    During the week of May 13th, the CO2 level at the Mauna Loa Observatory in Hawaii topped 400 ppm repeatedly. Daily levels of CO2 can vary due to weather, and there are seasonal trends as well. The level of atmospheric greenhouse gases continues to increase, now over 120 ppm since the Industrial Revolution began. For more on the Keeling Curve, see http://keelingcurve.ucsd.edu/. Find out more about greenhouse gases and warming.
  • Massive Tornado Outbreak on Tornado Alley
    The week of May 19 brings dozens of tornadoes to Tornado Alley in the states of Oklahoma, Kansas, Io...Read more

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    Massive Tornado Outbreak on Tornado Alley

    The week of May 19 brings dozens of tornadoes to Tornado Alley in the states of Oklahoma, Kansas, Iowa, Illinois and Missouri. On May 20th, a massive tornado struck Moore, Oklahoma, devastating communities - destroying over 100 homes and hitting two elementary schools and a hospital - with many casualties and deaths. Our thoughts are with our friends and colleagues suffering from these storms. For more on the May 20th storms, see the NOAA Storm Prediction Center Storm Report.
  • Kansas Legislator Proposes Bill to Outlaw Sustainability Education
    A bill has been introduced in the Kansas legislature this week that would prohibit the promotion of ...Read more

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    Kansas Legislator Proposes Bill to Outlaw Sustainability Education

    A bill has been introduced in the Kansas legislature this week that would prohibit the promotion of sustainability. Here is a link to the one-page bill: http://www.kslegislature.org/li/b2013_14/measures/documents/hb2366_00_0000.pdf. See report on Bloomberg News.
This is a drawing of the magnetosphere of Jupiter.
Click on image for full size

An Overview of the Parts of Jupiter's Magnetosphere

Jupiter's magnetosphere is very pointed and bullet-shaped, as shown in this picture, because of the nature of how it is created.

The magnetosphere has many parts, such as the bow shock, magnetospheath, magnetotail, plasmasheet, lobes, plasmasphere, and many electric currents. It is composed of charged particles and magnetic flux.

Jupiter's magnetosphere is the largest object in the solar system. The magnetosphere, however, changes size and shape like a water balloon, depending upon the strength of the solar wind.


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Jupiter's Plasmasphere

Jupiter's magnetosphere is practically all plasmasphere. Jupiter's magnetosphere is filled with plasma. Most of the plasma comes from the donut-shaped cloud of material from Io. Particles enter the plasmasphere...more

The Magnetic Field

The force of magnetism causes material to point along the direction the magnetic force points. As shown in the diagram to the left, the force of magnetism is illustrated by lines, which represent the force....more

A Look at Jupiter's Magnetosphere

Jupiter's magnetosphere is very special. It is the biggest thing in the entire solar system. Not only is it big enough to hold all of Jupiter's moons, but the sun itself could fit inside. It goes all...more

The Io Torus

A satellite which has an atmosphere, such as Jupiter's moon Io, and which also is inside a magnetosphere (unlike the Earth's moon), will leave a cloud of particles behind as it orbits the planet. This...more

An Overview of the Parts of Jupiter's Magnetosphere

Jupiter's magnetosphere is very pointed and bullet-shaped, as shown in this picture, because of the nature of how it is created. The magnetosphere has many parts, such as the bow shock, magnetospheath,...more

Radio Signals of Jupiter

Radio signals are a signature of activity within the magnetosphere. There are many kinds of radio waves in the Jupiter environment. These are: DAM - the name for radio waves which have a wavelength of...more

Impact on Jupiter - July 2009

Anthony Wesley is an amateur astronomer in Australia. On the night of July 19, 2009, Wesley noticed a dark spot on Jupiter that hadn't been there before. He had discovered the remains of a huge impact...more

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Our Glaciers: Then and Now activity kit helps you see the changes taking place in glaciers around the world. See all our activity kits and classroom activities.

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