Comet Pan-STARRS

Comet Pan-STARRS, recently discovered by the Panoramic Survey Telescope & Rapid Response System, should be visible in early March 2013 as it approaches the Sun. Key dates are March 5th, when the comet comes closest to Earth (about 100 million miles away), March 10th, when the comet comes closest to the sun, and March 12th and 13th when Pan-STARRS emerges in the western sunset sky not far from the crescent Moon. For more information about Comet Pan-STARRS and it's approach, visit http://science.nasa.gov/science-news/science-at-nasa/2013/06feb_panstarrs/. Find out more about comets and play with our comet interactive.


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Galileo Looks Beyond to Other Worlds
07/20/2013 - 8:30am, 07/21/2013 - 8:30am

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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.

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.

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.

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Earth and Space Science Today


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