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Wednesday, April 29, 2009

Longest Eclipse of the 21st Century

Witness the longest total solar eclipse in over a century and combine it with magnificent Hangzhou and West lake and it's classical Chinese beauty. A solar eclipse occurs when the Moon passes between the Sun and Earth, casting the Moon's shadow on Earth. A solar eclipse can only happen during a New Moon. The Moon's orbit is titled 5 degrees to Earth's orbit around the Sun. Therefore a solar eclipse is a relatively rare phenomena and a Total or Annular eclipse even more rare. So don't miss this opportunity!

Hangzhou is the capital of Zhejiang province and its political, economic and cultural center. With its famous natural beauty and cultural heritages, Hangzhou is one of China's most important tourist venues.

Visit this website for more details: http://aerospacedu.com/home.html

Sunday, April 19, 2009

ShareNews: Star crust is 10 billion times stronger than steel

The crust of neutron stars is 10 billion times stronger than steel, according to new simulations. That makes the surface of these ultra-dense stars tough enough to support long-lived bulges that could produce gravitational waves detectable by experiments on Earth.

Neutron stars are the cores left behind when relatively massive stars explode in supernovae. They are incredibly dense, packing about as much mass as the sun into a sphere just 20 kilometres or so across, and some rotate hundreds of times per second.

Because of their extreme gravity and rotational speed, neutron stars could potentially make large ripples in the fabric of space – but only if their surfaces contain bumps or other imperfections that would make them asymmetrical.

A number of mechanisms have been proposed to create these bumps. The stars could, for example, gobble up material from a companion star. Bulges could also bubble up over hotter areas of the stars.

In theory, these bulges could be stable on the outer surface of the star. Neutron stars are thought to be made up of a soup of neutrons covered with a solid crust. The crust is composed of crystals of neutron-rich atoms.

Published by Rachel Courtland

Source: New scientist


Space, is untouchable

Everybody has a dream to go to space.

Good dream but not a cheap one.

I don't value space, because of the expenses to buy a rocket.

Space is expensive dream because we have a lot of limitation before we realized that we can colonize the space.

For years, we tried so much to proof ourselves to touch the sky. And for years we gave a lot of efforts to show the others that space is belong to us.

But we never realize, earth is part of space. We... we came from earth.

To love space, we have to love our earth.

To understand space, we have to understand earth.

Our beloved earth is everything for us, space remains untouchable.

Wednesday, April 1, 2009

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