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.

Monitoring and Modeling Space Weather

   How do we know what kind of "weather" we're having in space? Scientists use a network of ground-based observatories combined with satellite-based instruments to monitor solar activity, measure magnetic fields, and detect many types of radiation. They also use complex computer models to help predict the ebb and flow of space weather systems.
Sunspots don't look that big when you see them on the Sun (remember NEVER look directly at the Sun), but in fact they can be enormous! This composite image shows just how big sunspots can be, to scale with an image of Earth. Sunspots can be as big, or bigger, than Earth. The <a href="/sun/activity/sunspot_history.html">earliest written record of a sunspot observation</a> was made by Chinese astronomers around 800 B.C.<p><small><em>Image courtesy of Windows to the Universe using images from the Royal Swedish Academy of Sciences (sunspot image) and NASA (Earth image).</em></small></p>

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Explore Monitoring and Modeling Space Weather

Instruments & Techniques for Space Weather Measurements

Scientists use a broad array of techniques and instruments to make the measurements needed ...Read more

How do Satellites & Spacecraft Monitor Space Weather?

Observations by Earth-orbiting satellites and other spacecraft have revolutionized our understanding ...Read more

Ground-based Observations of Space Weather

Some observations of space weather phenomena are made by spacecraft. Other observations are ...Read more

Modeling Space Weather

Scientists who study space weather make extensive use of computer models to make sense of complex ...Read more

Metrics & Indices that Describe Space Weather

Meteorologists measure quantities like wind speed, rainfall amounts, and temperature. They ...Read more

Historical Events

5/30 7.5 magnitude quake hits Quetta, Pakistan in 1935
5/31 7.9 magnitude earthquake hits Peru in 1970
6/8 Giovanni Cassini, an Italian-French astronomer, was born on this date in 1625 Details

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Did you know?

Did you know that the upper atmosphere of the Earth overlaps with the Earth's ionosphere?

Do you know the kingdoms in the Eukaryota domain?

 

Earth and Space Science Concept of the Day

Do you know what this word or phrase means?

Riparian
xRiparian : The bank of a river or other body of water; may include the floodplains

Click on the word to find out!

Research Highlights

Caribbean Coral Reef Protection Efforts Miss the Mark

Conservation efforts aimed at protecting endangered Caribbean corals may be overlooking regions where corals are best equipped to evolve in response to global warming and other climate challenges. That's...Read more

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