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He wants to break through Wellington's defences before nightfall, and finally he could wait no longer. Just before noon, he ordered his cannons to open fire. -Gun captain, when you're ready, the first thing a ** wanted going to do is order the gun to
探索与发现2015年
Archaeologist S* Carson has investigated the significance of megalith to prehistoric peoples. -You can commemorate anncestors too, with a standing stone. You can also use them to show a person's change of status and that person's ability to mobilize
探索与发现2015年
The battle that suppressed here was the first in history to be recorded in so much detail by so many soldiers. The eye-witness has told stories with incredible bravery. The reviewer what was alive to be a soldier of Waterloo that make sense of the ca
探索与发现2015年
Crikeley Hill is just one of a number of violent clashes in soutnern Britain. It was a period of instablility that seems to have brought monument building in this area to a standstill. Excavated skulls from the period provided an insight into the sav
探索与发现2015年
Without the nearby Long Burrows added to the map, this is how the area looked, 6000 years ago. The arrival of the Neolithic culture from Europe, reaffirms the landscapes sacred status. Stonehenge is a unique landscape. It capsulates how early societi
探索与发现2015年
The evidence suggested that billions of tons of matter from a massive star had shrunk to nothing.So what we are left with here is this mind-boggling idea of mass contained in zero volume, and that just make your head spin, but that's what we call a b
探索与发现2015年
Scientists call it the Big Bang and it was predicted by the very same equations that discovered black holes.There is the Big Bang theory, according to which the universe began with a gigantic fireball on creation day, some 10,000 million years ago. I
探索与发现2015年
Even for NASA nebulae are too far away to visit, so they've built one of their own here on earth, 40 years ago scientists peered into the clouds of dust and gas created from the remains of stars, and to their surprise, found not just elements but org
探索与发现2015年
We may never know for sure whether there is life elsewhere. But we do know a lot about where we came from. And thats because weve learned so much about things here on earth from looking far out into space. They discover that stars are not turned out
探索与发现2015年
Recently at a site only two kilomtres to the southeast, archaeologists have unearthed the first traces of people living in the same period. It's a find that may finally answer why stonehenges located where it is. Here is the section through one of th
探索与发现2015年
It would be a brilliant place for hunt together as to hides and observe the movements of these huge animals. Topographical scans have revealed the contours of this ancient landscape, features that mesolithic kind togetherness could exploit. Where the
探索与发现2015年
We are in a really extraordinary place here. I mean this is almost like a time capsule. There is very little landscape change extraordinarily from *. So it is a special place. The unexpected discovery of a rare and actual phenomenon, may also explain
探索与发现2015年
Then, around 8200 years ago, climate change had dramatic impact on the destiny of Stonehenge landscape. As the last ice age thawed, rising melt waters engulfed the territory known as Dogland and Britain became an island. Cut off from continental infl
探索与发现2015年
He was sure that when a supernova exploded, it left behind a kernel so dense that a cupful would be as heavy as a mountain, he called it a neutron star, it seems so preposterous that Z's ideas were dismissed, until that is a new way of scouring the h
探索与发现2015年
Once the fusion stops, the whole thing collapses under its own weight to form a white dwarf, so you got this very small blob which is incredibly dense, it's going to be something like a million times denser than it started off, so dense in fact that
探索与发现2015年
Thats why what we physicists called pressure. This pressure is created as the particles jostle for position. Its a principle of Quantum Mechanics and when it was applying to stars, the lives of dead white dwarfs suddenly made sense. What stopped them
探索与发现2015年
And takes dedication perseverance and a love of the thrill of the chase, not just any kind of astronomer but a supernovae hunter, and one with perfect timing.You know usually nothing much happens in astronomy, stars live for millions or billions of y
探索与发现2015年
Bloating in old age to become red giants;their cores contracting into white dwarves; The most massive ones exploding as supernovae; Fleeing the elements they have created, out into space to form the materials for the next generation of stars. But tha
探索与发现2015年
There were apparently nonsensical structures of space and time, spat out when Albert Einstein's equations weretaken to their extreme conclusion. Einstein's theory of relativitydoes lead us into very strange and unfamiliar paths. Einstein himself didn
探索与发现2015年
It remains to some extent a theory, but Doug has got as close as anyone to actually seeing it happen.It's started by getting alert on the computer that a supernova had gone off in a very nearby galaxy, only 210 million light years away, here is a pic
探索与发现2015年