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.
The Rosetta spacecraft on its fueling stand.
Click on image for full size
Courtesy of the European Space Agency

Rosetta Mission Page

The Rosetta Mission was suppose to launch in January 2003. Unfortunately, the launch had to be delayed! The good news is that Rosetta has a new launch date, February 26, 2004.

Rosetta will not meet up with comet Wirtanen as was originally planned. Instead, the spacecraft will fly towards comet 67P/Churyumov-Gerasimenko. (shortened as comet C-G)

After launch, Rosetta will then begin a ten year journey to the comet C-G. Rosetta will study this comet in detail, in hopes that this will lead to new scientific findings about all comets. Learning about comets helps us learn about our own solar system and about how the solar system originally formed.

The Rosetta spacecraft is actually made of two parts: an orbiter, which will approach the comet and then circle it, and a lander, which will touch down on the comet. Rosetta has many complex scientific instruments that will help us find out about this comet's nucleus, coma and tail.

The Rosetta spacecraft is named after the Rosetta stone, a famous stone that allowed us to figure out what Egyptian hieroglyphics say.

Scientists are excited about new discoveries Rosetta might help make. This is the first comet mission where part of a spacecraft will actually touch down on a comet. Watch for news to come regarding the Rosetta Mission!

Last modified July 15, 2010 by Randy Russell.

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Comet Churyumov-Gerasimenko

Comet 67P/Churyumov-Gerasimenko was discovered in 1969 by Klim Churyumov and Svetlana Gerasimenko. The comet orbits the Sun once every 6.57 years. Its orbit brings it closer to the Sun than Mars at the...more

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Scientists believe that the solar system was formed when a cloud of gas and dust in space was disturbed, maybe by the explosion of a nearby star (called a supernova). This explosion made waves in space...more

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The Rosetta spacecraft has many instruments that it will use to measure Comet Churyumov-Gerasimenko during its visit. This diagram shows the two cameras that make up the OSIRIS imaging system: the Narrow-Angle...more

The Comet Coma

As the ices of the comet nucleus evaporate, they expand rapidly into a large cloud around the central part of the comet. This cloud, called the coma, is the atmosphere of the comet and can extend for millions...more

Rosetta Stone

For thousands of years, the Egyptian civilization used a written language called hieroglyphics. This language was used from ancient times through the last several centuries B.C. At this point, the Greeks...more

Rosetta lander instruments

The Rosetta lander has many instruments that it will use to make measurements when it lands on Comet Churyumov-Gerasimenko. The instruments carried by the lander are described in the table below. The instruments...more

Rosetta Mission Update

The Rosetta Mission was suppose to launch in January 2003. Unfortunately, the launch had to be delayed! The Rosetta spacecraft was suppose to be launched on an Ariane 5 rocket. A month ago, another Ariane...more

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