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  • Irish Chronicles Document Links Between Volcanoes and Weather
    A study of over 40,000 written entries in Irish Annals and ice core measurements shows a strong corr...Read more

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    Irish Chronicles Document Links Between Volcanoes and Weather

    A study of over 40,000 written entries in Irish Annals and ice core measurements shows a strong correlation between the occurrence of volcanic eruptions and extreme cold weather in Ireland over a 1200 year period. Data analyzed in this study cover the period from 431 to 1649, during which time up to 48 volcanic eruptions are identified in Greenland ice core records through deposition of volcanic sulfate in annual layers of ice. You can find the study (open access), published on 6 June 2013 in IOP Publishing's journal Environmental Research Letters, at http://iopscience.iop.org/1748-9326/8/2/024035/article. Find out more about how volcanoes can influence climate.
  • EF-5 Tornado in El Reno, Oklahoma Widest Ever Recorded in US
    The EF-5 tornado that hit El Reno, Oklahoma on May 31st was the widest ever recorded in the US, acco...Read more

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    EF-5 Tornado in El Reno, Oklahoma Widest Ever Recorded in US

    The EF-5 tornado that hit El Reno, Oklahoma on May 31st was the widest ever recorded in the US, according to the National Weather Service in Norman Oklahoma. The tornado, which remained on the ground for 40 minutes and reached 2.6 miles across (4.2 km), took the lives of 18 people including storm chasers Tim Samaras, Paul Samaras and Carl Young. For more information on the tornado, visit http://ow.ly/i/2hfDG.
  • 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.
This picture shows that there are three small regions in which the particles are trapped. These regions are the plasmaspheres.
Click on image for full size
T.S. Huang

The Plasmaspheres of Neptune

Neptune has three tiny plasmaspheres. The rings of Neptune sweep away much of the particles in the area.

Particles enter the plasmasphere from the atmosphere as well as the magnetotail. Mathematical theory suggests that particles leave the plasmasphere by being swept directly into the atmosphere.


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Cool It! Game

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

The Plasmaspheres of Neptune

Neptune has three tiny plasmaspheres. The rings of Neptune sweep away much of the particles in the area. Particles enter the plasmasphere from the atmosphere as well as the magnetotail. Mathematical theory...more

Neptune's "Scooter"

One of the many cloud patterns of Neptune is the "scooter" which was discovered by Voyager in 1989. In this image, the Great Dark Spot is found in the upper left of the image, and just below the Spot is...more

The position of Neptune when gas changed to ice

The position of the planets in the solar nebula greatly affected their 1. size and 2. composition. This is because of the effect of how cold it was in the nebula. 1. The nebula was a lot warmer close to...more

How a proto-planet sweeps up nearby material

As shown in this picture, while they were forming in the solar nebula, the nuclei of the protoplanets drew material to themselves from the cloud of gas and dust around them. The bigger a protoplanets was...more

The Structure of Neptune's Interior

There is no surface to the giant planets, only a gradual transition from the atmosphere, as depicted in this drawing. Therefore the giant planets do not have strict layers, as the terrestrial planets do....more

The Atmosphere of Triton

Triton, by far the largest moon of Neptune, is slightly smaller than Earth's Moon. Triton has the coldest surface temperatures in our Solar System. Surprisingly, this frigid moon has an atmosphere, albeit...more

Surface of Triton

Image processing can produce a view such as one might see if you were present on the surface of Triton. ...more

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