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.

Neptune's Web


These are links to other great web sites about Neptune. But beware: you don't want to get caught in Neptune's Web! Don't stay away from Windows to the Universe for long! Click for full size

NASA's Neptune Page

Neptune A simple page with images and animations.

Neptune's Ring System Everything you always wanted to know about Neptune's Rings.

Nine Planets: Neptune

NSSDC Neptune Photo Gallery

StarDate Online: Neptune

Voyager Home Page

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Our online store includes fun classroom activities for you and your students. Issues of NESTA's quarterly journal, The Earth Scientist are also full of classroom activities on different topics in Earth and space science!

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Science, Evolution, and Creationism

How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable....more

Neptune's Moons and Rings

Neptune has // Call the moon count function defined in the document head print_moon_count('neptune'); moons. As is the case with all of the gas giant planets in our Solar System, it also has a series of...more

An Overview of Neptune's Interior

The Giant planets do not have the same kind of structure inside that the terrestrial planets do. Their evolution was quite different than that of the terrestrial planets, and they have much more gas and...more

The Poles of Neptune and Its Moons

The South Pole of the planet Neptune is unusual in several ways. Triton, Neptune's largest moon, also has interesting features at its poles. Like Earth, Neptune's spin axis (which defines the locations...more

An Overview of Neptune's Atmospheric Composition

The atmosphere of Neptune is very similar to that of Uranus, and unlike that of Saturn and Jupiter. On Jupiter and Saturn, the atmosphere is mostly composed of the simple molecules hydrogen and helium....more

The Origin of an Atmosphere

There are four ideas for the origin of a planetary atmosphere. Those four ideas are: 1. that the planet-elements of which a planet was made decomposed and released the atmosphere, 2. that the atmosphere...more

Neptune's Great Dark Spot of 1989

Unlike Jupiter's Great Red Spot, the Great Dark Spot of Neptune is thought to be a hole in the methane cloud deck of Neptune. The white clouds shown in the picture are above the "hole". In many images...more

Evolution of Neptune's atmosphere, page 5

On this scale you can see that the "rocky" materials such as Calcium, Magnesium, Iron, Nickel, and Lead, that the terrestrial planets are made of can condense out of a very hot nebula, but ice will not...more

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The Spring 2011 issue of The Earth Scientist is focused on modernizing seismology education. Thanks to IRIS, you can download this issue for free as a pdf. Print copies are available in our online store.

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