Category Archives: Stars 2011

Monthly blogs on stars to promote star gazing in St Catherine, Sinai

Dark Energy

The Nobel Prize for Physics has just been offered to the three scientists, Saul Perlmutter, Brian Schmidt and Adam Riess, who found evidence in 1998 that the expansion of the universe was accelerating. It was Edwin Hubble who first showed … Continue reading

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2012

The Ancient Mayan calendar calculates aeons in multiples of 394 years, counting from the Mayan day of creation, over 5,000 year ago. The 13th aeon comes to an end in December, 2012. Some people think the world will come to … Continue reading

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The International Space Station

A stunning picture was released last month of the American space-shuttle, Endeavour, docked with the International Space Station, photographed by an Italian astronaut as he left the space station in a Russian Soyuz space capsule, a fabulous tribute to international … Continue reading

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Globular clusters

In 1974, a radio message, written by Carl Sagan, was sent to the Globular cluster, M13, in the constellation of Hercules. Since the cluster is 25,000 light years away, a reply by return of post cannot be expected for another … Continue reading

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Surveillance of the Sun

Just as the Sun and Earth were created together in the same vortex, so will they vanish together in the same apocalypse. The destinies of the Sun and Earth are bound together. And that’s why it’s time to get to know our partner … Continue reading

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MESSENGER to Mercury

Mercury whips round the sun in only 88 Earth days but spins on its own axis at such a leisurely pace that it takes 176 Earth days to complete one Mercury day. As the sun rises over the bleak and … Continue reading

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Sirius and the Dogon

The Dogon people live in the deserts beyond Timbuktu. They believe that they have come from a planet orbiting a small dim star which in turn orbits Sirius, the brightest star in the sky and clearly visible this month in … Continue reading

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Gravity and star death

Stars are thermonuclear fireballs so massive that as the energy is being blasted out, the core is collapsing under its own gravitational weight. For millions or billions of years, the two forces are balanced in a fearsome equilibrium. Sirius, our … Continue reading

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