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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 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 what an artist thinks Huygens looks like near Titan. This picture shows Cassini (top middle), Huygens (left side), Saturn (right side), and the moon Titan (lower left).
Click on image for full size
Image courtesy NASA.

Huygens probe on its way to Titan
News story originally written on December 30, 2004

A spacecraft named Cassini is orbiting around the planet Saturn right now. Cassini carried another, smaller robot space probe with it on its long trip from Earth. The smaller probe is named Huygens. Huygens will land on Titan, which is Saturn's biggest moon.

Cassini let go of the Huygens probe on December 24, 2004. The probe will fly through space by itself for about three weeks. It will get to Titan on January 14, 2005. Parachutes on the probe will lower it through Titan's atmosphere. After that, the probe will land on Titan. We don't know what the surface of Titan is like. Huygens may land on solid ground, or it might splash down into a lake of liquid natural gas. It may even plop down into a pile of snow made of the chemical methane!

The Huygens probe will measure the atmosphere of Titan. It will also take pictures. If the probe works, it will give us our first look at the surface of a moon that nobody has ever seen before!

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Cassini

Cassini is the name of a robot spacecraft. Cassini is studying the planet Saturn. It is also studying many of Saturn's moons and Saturn's cool rings. Cassini blasted off from Earth in 1997. It took Cassini...more

Cassini is Off!

Cassini is on its way to Saturn. It will take the Cassini spacecraft over 6 years to get to Saturn. Cassini was launched on a rocket early in the morning on October 15. The Cassini spacecraft is a big...more

A Rover on the Red Planet! Spirit Will Look at the Geology of Mars

NASA’s rover, named Spirit, has landed on Mars and will soon be scouting the surface for interesting geology! Scientists are interested to know whether the place where Spirit landed was once a lake. Currently,...more

Hubble Servicing Mission Canceled

The Hubble Space Telescope is getting old. Every few years it needs to have astronauts visit it and fix worn out parts. NASA had planned to have the Shuttle visit Hubble in 2006. However, NASA decided...more

Cassini approaches Saturn's Moon Phoebe

A spacecraft named Cassini will soon get to Saturn. Cassini will start to orbit Saturn on July 1, 2004. It will study Saturn for the next four years. Cassini had to travel for seven years to get to Saturn...more

Huygens probe on its way to Titan

A spacecraft named Cassini is orbiting around the planet Saturn right now. Cassini carried another, smaller robot space probe with it on its long trip from Earth. The smaller probe is named Huygens. Huygens...more

Cassini Flyby of Titan in October 2004

The Cassini spaceship flew by Titan on October 26, 2004. Titan is a moon of Saturn. Titan is Saturn's biggest moon. Cassini took some great pictures of Titan - the best ever! It also measured Titan's atmosphere....more

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF