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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.
The Constellation Cygnus, the Swan
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Cygnus

Cygnus, the Swan, is also known as the Northern Cross because of its shape. The tail of the swan is marked by the bright star Deneb, Arabic for "tail". Three fainter stars cross the line between Deneb and the head of the swan, Albireo. Cygnus flies southward along the summer Milky Way, and into the Summer Triangle.

Deneb is a bright, blue supergiant star, very young as stars go. Albireo, the bill of the swan, is actually two stars which show a spectacular amber and blue contrast. Cygnus is also sprinkled with a variety of nebulae, including the North American Nebula and the Veil Nebula.

The identity of Cygnus is uncertain. He could be Zeus in the guise in which he seduced Leda, the mother of Helen of Troy. In one myth, Cygnus is a friend of Phaethon, the son of Apollo, the sun god. Phaethon fell into the river Eridanus, trying to drive the sun-gods chariot. Cygnus dove repeatedly into the water to search for Phaethon. Out of pity, Zeus turned the boy into a swan.

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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

Deneb - White, Hot Supergiant

What's in a Name: Arabic for "tail" because it is located in the tail of the Cygnus, the Swan. Claim to Fame: 19th brightest star in the sky (apparent visual magnitude = 1.3) Type of Star: White Supergiant...more

Zeus

In Greek mythology, Zeus (Jupiter in Roman mythology) was the king of heaven and Earth and of all the Olympian gods. He was also known as the god of justice. He was named king of the gods in the special...more

Eridanus

Eridanus is known as the Celestial River. It most often related to the Nile or Euphrates Rivers because they were so important to ancient civilizations. Eridanus is the second longest constellation in...more

Gemini

Gemini is one of the more famous constellations. The Twins are best seen during the winter and spring in the Northern Hemisphere. If you live in the Southern Hemisphere, look for Gemini in the summer....more

Leda and the Constellation Cygnus

For the ancient Greeks, the constellation Cygnus, which means "swan", was related to the myth of Zeus and the goddess Nemesis. In order to escape from Zeus, Nemesis changed herself into many different...more

Leda and the Constellation Cygnus

For the ancient Greeks, the constellation Cygnus, which means "swan", was related to the myth of Zeus and the goddess Nemesis. In order to escape from Zeus, Nemesis changed herself into many different...more

Leda

For the ancient Greeks, the constellation Cygnus, which means "swan", was related to the myth of Zeus(called Jupiter by Romans) and the goddess Nemesis. In order to escape from Zeus, Nemesis changed herself...more

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