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 an image of Oberon.
Click on image for full size
NASA

Surface of Oberon

The surface of Oberon is typical of an icy moon. It appears to be resurfaced, and changed for it is lightly cratered with grooves and ridges similar to those found on Ganymede extending for many kilometers over the entire surface. These indicate that there has been activity in the interior of Oberon in the past.


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Miranda

Miranda was discovered by G. Kuiper in 1948. It has a standoff distance of 129,780 km. Miranda one of the smallest icy moons, and is as wide as the distance from Los Angeles to San Francisco, being 47...more

Surface of Miranda

The surface of Miranda is very unusual. It is not like any other moon in the solar system. Miranda has many craters but also very big grooves. These indicate that there has been activity inside Miranda...more

Oberon

Oberon was discovered by W. Herschel in 1787. It has a standoff distance of 582,600 km. Oberon is about as wide as the state of California is long, being 1520 km (1013 miles) in size. The surface features...more

Surface of Oberon

The surface of Oberon is typical of an icy moon. It appears to be resurfaced, and changed for it is lightly cratered with grooves and ridges similar to those found on Ganymede extending for many kilometers...more

Surface of Oberon

The surface of Oberon is typical of an icy moon. It appears to be resurfaced, and changed for it is lightly cratered with grooves and ridges similar to those found on Ganymede extending for many kilometers...more

Puck

Puck was discovered by Voyager 2 in 1986. It has a standoff distance of 86,010 km. Puck is one of the small moons, and is about as wide as a county at 150 km (100 miles) long. As a small moon, the composition...more

Titania

Titania was discovered by W. Herschel in 1787. It has a standoff distance of 435,840 km. Titania is about as wide as the state of California is long, being 1580 km (1053 miles) in size. The surface features...more

Surface of Titania

The surface of Titania is typical of an icy moon. It appears to be resurfaced, and changed for it is lightly cratered with grooves and ridges similar to those found on Ganymede extending for many kilometers...more

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Learn about planets outside our solar system through Exoplanets and Alien Solar Systems by Tahir Yaqoob, Ph.D., a book in our online store book collection.

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