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.

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Image courtesy Dr. R. Albrecht (ESA/ESO Space Telescope European Coordinating Facility) and NASA.

Searching for more moons of Pluto
News story originally written on February 28, 2003

Astronomers are starting to search for more moons of Pluto. Pluto only has one moon that we know about. Pluto's moon is called Charon. But Pluto is very far away, so it is hard to see even with very big telescopes. Some astronomers think Pluto may have more moons that we haven't found yet.

In a few years a spacecraft named New Horizons will go to Pluto. New Horizons will be the very first spacecraft to visit Pluto! Scientist want to know whether Pluto has more moons before New Horizons gets there. If Pluto has more moons, the spacecraft can study them when it zooms past Pluto. Astronomers will use telescopes on Earth and maybe the Hubble Space Telescope to look for moons around Pluto before New Horizons is launched.

Why do scientists think there might be more moons around Pluto? Astronomers have discovered 41 new moons around Jupiter, Saturn, Uranus, and Neptune in the last few years! But they haven't found any new moons around Pluto. Not yet, anyway! Maybe they will find some more moons later this year.


Last modified April 21, 2003 by Randy Russell.

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