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Great Pyramid At Giza – Star Alignment Might Determine Age

Great Pyramid of Khufu or Cheops located across the Nile River about six miles west of Cairo, Egypt in an area called the Giza Plateau. The pyramid is 481.4 feet high, contains an estimated 2,300,000 carved stones, each estimated to weigh an average 2.5 tons. Photograph © by Steve Beikirch.
Great Pyramid of Khufu or Cheops located across the Nile River about six miles west of Cairo, Egypt in an area called the Giza Plateau. The pyramid is 481.4 feet high, contains an estimated 2,300,000 carved stones, each estimated to weigh an average 2.5 tons. Photograph © by Steve Beikirch.

November 19, 2000  Cairo, Egypt - This week a Cambridge University Egyptologist from England, Dr. Kate Spence, announced a possible recalculation on the age of the Great Pyramid of Khufu or Cheops on the Giza Plateau near Cairo. She wanted to know how the ancient Egyptians lined up the Cheops pyramid so precisely north to south. She hypothesized that stars were the guide, so she used a computer to wind back time in the sky from today to about 4500 years ago. Dr. Spence found that the star Mizar, in the Big Dipper's handle, and Kochab, in the bowl of the Little Dipper, would have appeared one over the other at a point directly above the North Pole. Dr. Spence thinks that the Egyptians then hung a plumb line against the two stars to find true north for the construction of the great Cheops Pyramid. Her revised date for that construction is now 2478 B. C., give or take five years. If correct, the Great Pyramid could be 75 years older than traditional estimates.

 

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Update On Increased UV Radiation and Amphibian Decline

 

Deformed frog, only one rear leg. Photograph courtesy University of Minnesota.
Deformed frog, only one rear leg. Photograph courtesy University of Minnesota.

November 12, 2000 Corvallis, Oregon - This year the largest ozone hole on record at the Antarctic extended over the city of Punta Arenas in Chile, exposing humans, animals and plants to increased ultraviolet radiation which can cause skin cancer, kill amphibian embryos and stunt and deform those that survive. Over the next four months, atmospheric scientists will be monitoring what happens at the North Pole. Will the Arctic ozone hole also get bigger as winter takes hold and expose more humans, animals and plants to increased ultraviolet radiation?

 

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Near-Earth Object 2000 SG344 – Is it an asteroid?

Hundreds of near-earth asteroids such as this one orbit around the sun. Some are bigger than a mile across and a collision with earth would cause global destruction. Others are much smaller such as Near-Earth Object 2000 SG344 discovered September 29, 2000. Its size is estimated at only 150 feet. But what is it? Why is it pacing with our planet in the earth's plane? And could it hit the earth in 2071? Photograph courtesy NASA 2000.
Hundreds of near-earth asteroids such as this one orbit around the sun. Some are bigger than a mile across and a collision with earth would cause global destruction. Others are much smaller such as Near-Earth Object 2000 SG344 discovered September 29, 2000. Its size is estimated at only 150 feet. But what is it? Why is it pacing with our planet in the earth's plane? And could it hit the earth in 2071? Photograph courtesy NASA 2000.

November 5, 2000  Pasadena, California - Asteroids headed towards, or near, earth are in the news again. On Friday, NASA's Near-Earth Object Program Office in Pasadena, California announced that a small object discovered on September 29th had a small chance of colliding with this planet in September 2030. In fact, this was the first asteroid-like object to be given a Number One on the Torino scale which measures space collision threats. The scale was developed in 1998 by Richard Binzel, Professor of Planetary Science at the Massachusetts Institute of Technology, to help categorize near-earth objects. It's a sliding scale from zero to ten. Zero is no threat. A ten means definite impact that would cause a global catastrophe. A category one means scientists think this new object deserves careful monitoring. Paul Chodas, Principal Engineer for the NEAR Program Office at JPL, said "This is the highest probability of impact that we have ever calculated for an object."

 

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Science, Environment and Medical Updates

International Space Station's first crew, left to right: William Shepherd, United States; Yuri Gizenko and Sergei Krikalev, Russia. Inside the Soyuz capsule for final time before historic launch at 2:53 AM EST on October 31, 2000 to spend at least four months orbiting the earth. Photograph courtesy NASA 2000.
International Space Station's first crew, left to right: William Shepherd, United States; Yuri Gizenko and Sergei Krikalev, Russia. Inside the Soyuz capsule for final time before historic launch at 2:53 AM EST on October 31, 2000 to spend at least four months orbiting the earth. Photograph courtesy NASA 2000.


October 30, 2000 -

International Space Station Historic Mission

­ NASA is counting down the hours until American astronaut Bill Shepherd will lead the first expedition to the International Space Station. The historic mission is scheduled to lift off on Tuesday, October 31st at 2:53 AM east coast time. Shepherd will be joined by two Russian cosmonauts, Yuri Gizenko and Sergei Krikalev. This expedition crew plans to spend nearly four months on the space station.

 

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Mysterious Shark Deaths Near Panama City, Florida

More than 100 dead sharks on the eastern side of Shell Island near Panama City, Florida were reported on October 16, 2000. Photograph © 2000 by John Brusher, National Marine Fisheries Service.
More than 100 dead sharks on the eastern side of Shell Island near Panama City, Florida were reported on October 16, 2000. Photograph © 2000 by John Brusher, National Marine Fisheries Service.

October 22, 2000  Panama City, Florida - More than a hundred blacktip and Atlantic sharpnose sharks were found October 16, 2000 dead and decaying along a half mile of beach on the eastern side of Shell Island near Panama City, Florida. Marine biologists so far cannot explain the mass deaths of a rugged species sometimes called "living fossils" because modern sharks arose during the Jurassic Period between 135 and 190 million years ago. No one can remember so many shark deaths at one time before.

 

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Kentucky Governor Declares State of Emergency After Coal Sludge Spill

Big Sandy River, Kentucky. Seventy miles of waterways filled with 210 million gallons of coal mine sludge headed for Ohio River after a slurry impoundment broke on October 11. Photograph courtesy Kentucky Natural Resources and Environmental Protection Cabinet.
Big Sandy River, Kentucky. Seventy miles of waterways filled with 210 million gallons of coal mine sludge headed for Ohio River after a slurry impoundment broke on October 11. Photograph courtesy Kentucky Natural Resources and Environmental Protection Cabinet.

October 22, 2000 Frankfort, Kentucky - Kentucky Governor Paul E. Patton visited the Martin County site near Inez where an estimated 210 million gallons of coal mine sludge collapsed into the Big Sandy and Cold Water Branches of Wolf Creek. Public water supplies in the town of Louisa and Martin County District Number One were immediately polluted. On October 16, Governor Patton declared a State of Emergency for ten counties "in the wake of last Wednesday's failure of a Martin County coal slurry impoundment. ...The declaration covers the counties of Boyd, Bracken, Carter, Fleming, Greenup, Lawrence, Lewis, Martin, Mason and Robertson, all lying within the Big Sandy and Ohio River watersheds." By October 22, at least seventy miles of waterways were filled with the cement-like sludge.

 

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Astronomy Updates

Stars Sirius A and B, a Chandra x-ray image courtesy NASA and Harvard-Smithsonian Astrophysical Observatory.
Stars Sirius A and B, a Chandra x-ray image courtesy NASA and Harvard-Smithsonian Astrophysical Observatory.

October 9, 2000  Cambridge, Massachusetts - The Chandra X-ray Observatory has been revealing layers of the cosmos around us with beautiful clarity. One of its x-ray images from October 1999 shows the Sirius A and B star system located 8.6 light years from Earth. The large central light is Sirius A, the brightest star in the northern sky in optical light. Sirius B is a white dwarf that is ten thousand times dimmer, but clearly shows up in x-rays. Because the two stars are so close together, Sirius B was not discovered until 1862 by Alvan Clark using the best optical telescope in the world at the time. The pink sapphire pattern is produced by the satellite's transmission grating. For comparison, below is an optical image by Arizona's McDonald Observatory.

 

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Unidentified Moving Spiral of Light Photographed in Crop Formation

Olympus digital camera photograph of unidentified light spiral taken on July 21, 2000 between 8 to 9 PM inside the White Hill crop formation in Lockeridge, Wiltshire, England © 2000 by Amica Kusaka, Okyamaa, Japan.
Olympus digital camera photograph of unidentified light spiral taken on July 21, 2000 between 8 to 9 PM inside the White Hill crop formation in Lockeridge, Wiltshire, England © 2000 by Amica Kusaka, Okyamaa, Japan.

September 30, 2000 Lockeridge, Wiltshire, England - Recently I received the above photograph from Amica Kusaka, a resident of Kusaka, Okyamaa, Japan. Before sending the color print, she e-mailed me the following information:

 

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Asteroid Eros: Up Close, and Then A Landing?

This color image of Eros was acquired by NEAR's multispectral imager on February 12, 2000 at a range of 1800 kilometers (1100 miles). Eros is 34 kilometers (21 miles) long, about 11 kilometers (7 miles) wide and a hundred million miles from Earth in the asteroid belt between Earth and Mars. The butterscotch hue is typical of a wide variety of minerals thought to be major components of asteroids such as Eros which has very little metal. Photograph from NEAR satellite courtesy of JHU Applied Physics Laboratory, Laurel, Maryland.
This color image of Eros was acquired by NEAR's multispectral imager on February 12, 2000 at a range of 1800 kilometers (1100 miles). Eros is 34 kilometers (21 miles) long, about 11 kilometers (7 miles) wide and a hundred million miles from Earth in the asteroid belt between Earth and Mars. The butterscotch hue is typical of a wide variety of minerals thought to be major components of asteroids such as Eros which has very little metal. Photograph from NEAR satellite courtesy of JHU Applied Physics Laboratory, Laurel, Maryland.

September 24, 2000  Laurel, Maryland - Scientists at the Near Earth Asteroid Rendezvous (NEAR) mission in Johns Hopkins University's Applied Physics Laboratory are recommending to NASA that the NEAR satellite now orbiting asteroid 433 Eros dive down to within five kilometers (3 miles) of the asteroid surface in late October. The South Pole of Eros, which has been pointed away from the sun until now, will be lighted and is the likely target area. There are also many features on Eros that scientists would like to see more closely, including ridges, troughs, large boulders and craters that are square. Detailed survey data has been published inScience and one of the puzzles for geologists and astronomers are many loose boulders laying around on the surface. Eros is a relatively small mass, so it was logical to expect a smoother surface from which debris would have been knocked off into space over its 4.5 billion year evolution from the beginning of the solar system.

 

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Infectious Diseases – A Global Threat

Influenza virus under microscope.
Influenza virus under microscope.


September 24, 2000  Atlanta, Georgia - Last week, epidemiologists from around the United States gathered in Atlanta with Center for Disease Control officials to come up with a plan to cope with the possibility of a worldwide flu epidemic. New flu strains emerge every thirty to forty years on average. The last major one was the Hong Kong flu in 1968, thirty-two years ago. So health officials are afraid the stage is set for another major influenza epidemic, or pandemic. The 1968 flu killed about 34,000 Americans.

 

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