Earth-The.Power.of.the.Planet.Atmosphere.HDTV
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http://rapidshare.com/files/124620582/The_Power_of_the_Planet_Atmosphere.part01.rar

http://rapidshare.com/files/124623292/The_Power_of_the_Planet_Atmosphere.part02.rar

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02×01 – Alien Planets (Nov/27/2007) A look at the newly found planets far beyond our solar system.

16 :02×02 – Cosmic Holes (Dec/04/2007) A closer look into the mysterious holes formed in space. Included is black holes and their variations, wormholes and white holes.

17 :02×03 – Mysteries of the Moon (Dec/11/2007) Uncover the mystery of the moon, as well as the meaning behind the moon in several cultures, from a god to a timekeeper. Some argue that without the moon, humanity would never have come to be.

18 :02×04 – The Milky Way (Dec/18/2007) Countless wonders exist between the earth and the Milky Way. Watch as The Universe takes viewers inside the 100,000 light-year-wide cluster of stars and phenomena.

19 :02×05 – Alien Moons (Jan/08/2008) The Universe goes inside the Kuiper Belt to explore the moons surrounding the planets of the solar system. Some contain volcanic fury while others have the possibility of alien life.

20 :02×06 – Dark Matter (Jan/15/2008) Despite not having a clear knowledge of what it is, scientists know that Dark Matter and Dark Energy make up 96% of the universe. Discovered only a decade ago, scientists continue to study their characteristics. With computer graphics, watch as Dark Matter and Dark Energy are brought closer to Earth. Guest Stars: Michio Kaku as Himself

21 :02×07 – Astrobiology (Jan/29/2008) Astrobiology combines elements of astronomy, biology and geology to examine the evolution of life on not only Earth, but other planets as well. Guest Stars: Chris McKay (1) as Himself, Professor Geoff Marcy as Himself

22 :02×08 – Space Travel (Feb/05/2008) Scientists are working on a vast plethora of new technologies in hopes of traveling through space at a rate fast enough to explore the far ends of the universe. See the science behind the notion of warp-speed and the theories that show it is possible for a particle to travel faster than light. Guest Stars: Neil Tyson as Himself, Michio Kaku as Himself

23 :02×09 – Supernovas (Feb/12/2008) A stellar explosion, the supernova is the sensational death of a star. It can shine as bright as 100 billion Suns and radiate as much energy as the Sun would emit over 10 billion years. Jets of high-energy light and matter are propelled into space and can cause massive Gamma Ray Bursts and emit intense X-ray radiation for thousands of years. Astronomers believe that this process creates the very building blocks of planets, people and plants. Meet the world’s leading Supernova hunters, and take a look at recorded supernovas throughout history. Source: History.com

24 :02×10 – Constellations (Feb/19/2008) A constellation is a group of stars that are connected together to form a figure or picture. These star pictures help organize the night sky and provide a useful tool for astronomers even today. Explore some of the 88 official constellations and learn about some of the highlights of each–like the star that’s due to go supernova in the constellation Orion. Discover the 13th zodiac sign that no one talks about, and find out why Polaris, the North Star, will one day have to surrender its title. Guest Stars: Michio Kaku as Himself, Amy Mainzer as Herself

25 :02×11 – Unexplained Mysteries (Feb/26/2008) A look at myths and mysteries concerning the universe. Includes a possibility that life can be sustained on Mars, an examination of time travel, and the theory of a Dark Star as a companion of our sun. Also, a closer look at the Big Bang theory. Guest Stars: Kim Stanley Robinson as Himself, Michio Kaku as Himself

26 :02×12 – Cosmic Collisions (Mar/04/2008) It’s been said that our universe is a cosmic shooting gallery. Gravity is moving everything around and things are bound to collide. Astronomers are attempting to understand how these collisions occur in the dark recesses of space. Learn about collisional families, which are clusters of comets and asteroids; planetary collisions; mass extinction impacts involving asteroids and comets; stars collisions; and galaxy cluster collisions. Cutting-edge computer graphics are used to bring this series down to earth as the heavens yield their greatest secrets. Guest Stars: Amy Mainzer as Herself

27 :02×13 – Colonizing Space (Mar/11/2008) Space colonization is no longer the fodder of science fiction, it is becoming a reality. Examine the efforts underway to establish a human colony on Mars, including how they plan to grow food, recycle wastewater and introduce greenhouse gases to revive the red planet and make it more habitable for humans. Cutting-edge computer graphics are used to bring the universe down to earth to show what life would be like on Mars, and to imagine what kind of life forms might evolve in alien atmospheres. Source: History Channel Guest Stars: Michio Kaku as Himself, David Brin as Himself

28 :02×14 – Nebulas (Apr/01/2008) Take a tour through the “Art Gallery of the Galaxy” and view what are considered the “crown jewels” of the heavens. Nebulas are mysterious clouds of gas that aren’t classified as stars, planets, moons or asteroids. Astronomers use the most sophisticated techniques to view them since they are practically invisible to the naked eye. Nothing less than stunning, nebulas glow, reflect or obscure the galaxy’s light with amazing swirls of color. Nebulas mark the regions where the nothingness of space first coalesces, where stars are born and where stars die. Cutting-edge computer graphics are used to bring the universe down to earth. Source: History Channel Guest Stars: Michio Kaku as Himself

29 :02×15 – Wildest Weather in the Cosmos (Apr/08/2008) Imagine a tornado so powerful, it can form a planet, or winds sweeping across a planet but blowing at 6,000 miles per hour! How about rain….made of iron? Sounds like science fiction, but this type of weather is occurring daily in our solar system. Scientists are just beginning to unlock the secrets of these planets and their atmospheres. Can this research help scientists solve long unanswered questions that we have about Earth? As our own planet churns with the effects of global warming, it’s natural to look into the heavens and wonder about the rest of the real estate. Source: History Channel Guest Stars: Neil Tyson as Himself, Michio Kaku as Himself

30 :02×16 – Biggest Things in the Universe (Apr/15/2008) We can’t compare anything on earth to the biggest things known in space. The Lymann Alpha blob is a bubble like structure containing countless galaxies–perhaps the biggest object in the entire universe. Regions of radio-emitting gas called “radio lobes” could be even bigger. Then there are super galaxy clusters which are hundreds of galaxies merged together due to cosmic collisions. Discover which is the largest planet, star, star cluster, constellation, black hole, volcano, galaxy, explosions, moon, storm, impact crater and “void” in space. Guest Stars: Neil Tyson as Himself, Amy Mainzer as Herself

31 :02×17 – Gravity (Apr/22/2008) Gravity is the most powerful and exacting force in the universe. It is pervasive and penetrating. Gravity binds us together, its reach hangs stars in the sky and its grip crushes light. Gravity holds planets together, and leashes them to their suns. Without gravity, stars, comets, moons, nebulae, and even the Earth itself would not exist. Explore how science and humanity discovered, overcame and utilized gravity. Learn what it takes to propel objects into the heavens, to ride a wave or to ski down a slope. Take a front row seat as an astronaut subjects himself to the weightless wonders of the specially modified aircraft used to train astronauts known as the “Vomit Comet.”

32 :02×18 – Cosmic Apocalypse (Apr/29/2008) The Universe as we know it is condemned to death. Space, matter and even time will one day cease to exist and there’s nothing we can do about it. Harsh realities are revealed about the future of our Universe; it may collapse and burn or it might be gripped by a galactic ice age. Either of these scenarios might be a long way off. However, our Universe could suddenly be destroyed by a “random quantum fluctuation”, a bubble of destruction that can obliterate the entire cosmos in the blink of an eye. No matter how it ends, life in our Universe is doomed.

http://rapidshare.com/files/118261208/The_Universe_-_S01E01.part1.rar

http://rapidshare.com/files/118264769/The_Universe_-_S01E01.part2.rar

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http://rapidshare.com/files/118274615/The_Universe_-_S01E02.part1.rar

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http://rapidshare.com/files/118288679/The_Universe_-_S01E03.part1.rar

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This is a fantastic series made by the BBC. It is a dramatisation about how we would travel to mars, jupiter and even pluto.

http://rapidshare.com/files/49546703/Bbc_-_Space_Odyssey-Voyage_To_The_Planets__Documentary_2004_.part01.rar

http://rapidshare.com/files/49550204/Bbc_-_Space_Odyssey-Voyage_To_The_Planets__Documentary_2004_.part02.rar

http://rapidshare.com/files/49553393/Bbc_-_Space_Odyssey-Voyage_To_The_Planets__Documentary_2004_.part03.rar

http://rapidshare.com/files/49556789/Bbc_-_Space_Odyssey-Voyage_To_The_Planets__Documentary_2004_.part04.rar

http://rapidshare.com/files/49560299/Bbc_-_Space_Odyssey-Voyage_To_The_Planets__Documentary_2004_.part05.rar

http://rapidshare.com/files/49563923/Bbc_-_Space_Odyssey-Voyage_To_The_Planets__Documentary_2004_.part06.rar

http://rapidshare.com/files/49567464/Bbc_-_Space_Odyssey-Voyage_To_The_Planets__Documentary_2004_.part07.rar

http://rapidshare.com/files/49571603/Bbc_-_Space_Odyssey-Voyage_To_The_Planets__Documentary_2004_.part08.rar

http://rapidshare.com/files/49575775/Bbc_-_Space_Odyssey-Voyage_To_The_Planets__Documentary_2004_.part09.rar

http://rapidshare.com/files/49579632/Bbc_-_Space_Odyssey-Voyage_To_The_Planets__Documentary_2004_.part10.rar

http://rapidshare.com/files/49583057/Bbc_-_Space_Odyssey-Voyage_To_The_Planets__Documentary_2004_.part11.rar

Full description is taken from these links:
Episode 1
Episode 2

Full Description:
Episode 1

The interplanetary spacecraft Pegasus and her five-strong crew are launched into Earth orbit. Their epic six-year mission has begun.

Their first encounter with Venus lies just 41 days away from Earth.

Although it’s Earth’s nearest neighbour, Venus could not be a more different world. With clouds of sulphuric acid, surface temperatures pushing 500°C, snows of metal that encrust mountain peaks and atmospheric pressures that could destroy a submarine, this is a hell-hole of a planet.

Astronauts Zoe Lessard and Yvan Grigorev make the nail-biting descent in a landing craft called Orpheus.

As the lander plummets to the surface in a fireball enveloped in a shroud of gases, Pegasus loses contact with the Orpheus crew. Cocooned in the supremely re-enforced landing craft, though, the astronauts land safely.0

Encased in an ultra-toughened titanium spacesuit, Yvan takes mankind’s historic first steps on to the planet.

His objectives are to collect samples, lay sensors to listen for volcanic eruptions and to retrieve a piece of a robot from a previous Russian mission – but soaring temperatures inside his suit prove almost too much.

With everything that’s keeping them alive at its design limits, these two planet pioneers make their escape with only seconds to spare.

Mars is 240 million kilometres and 62 days of interplanetary travel away.

Mission Commander Tom Kirby, medic and geologist John Pearson and exo-biologist Nina Sulman make their descent in another specially designed lander, Ares.

This frozen, red planet should prove comparatively easy to explore compared to the ferocious conditions on Venus but, as Tom steps onto the surface, a dust devil, five times larger than anything on Earth, engulfs him.

Fortunately, the Martian atmosphere is so weak that even these giant twisters are harmless. It does Tom no permanent damage, bar leaving a red hue all over his spacesuit!

Supported by a host of robotic explorers, the crew head for the edge of Valles Marineris – a canyon system a thousand times the size of Arizona’s Grand Canyon.

Their quest is to search for water in an attempt to discover life on Mars.

Marvelling at the breathtaking views, the team is suddenly alerted to the imminent arrival of a solar storm carrying lethal levels of radiation.

The safest place is inside Ares. Desperate to complete the experiments, their struggle back becomes a race for their lives.

Battling against radiation and giant dust storms, the team eventually complete their exploration of Mars and return to Pegasus.

They must now cross the inner Solar System for an unsettling, but necessary, close encounter with the Sun at temperatures approaching a staggering two million degrees centigrade.

This accelerates Pegasus briefly to one million kilometres an hour, which helps propel them the next 800 million kilometres to Jupiter.

On the way, however, a scary brush with a rogue fragment of rock begins to erode the crew’s trust in Mission Control back on Earth.

As they crash into the top of giant Jupiter’s immense atmosphere a few weeks later, there is concern that Control might have betrayed them again.

Even more worryingly, flight medic John Pearson seems to be getting very sick.

Episode 2

Just over 200 days of travel from the Sun, Pegasus reaches the largest planet of the Solar System, Jupiter.

Danger lies in a menace lurking at Jupiter’s core – a churning mass of liquid metallic hydrogen that inflates a magnetic bubble around the planet, producing levels of radiation 500 times the dose that would kill a human.

To repel these lethal rays, Pegasus generates its own magnetic field.

Mission geologist Zoe is to land on Io, one of Jupiter’s moons. As the most volcanically active world in the Solar System, it’s a geologist’s heaven.

This scientific bounty does, however, come at a price. Perilously close to the most lethal Jovian radiation belts, Zoe risks severe exposure but she’s trained hard for this day and nothing is going to stop her exploring these exotic lava flows.

Her exhilaration at being on the surface quickly turns to frustration when her spacesuit malfunctions. Even the most cutting-edge technology and millions of pounds of development cannot guarantee safety in these other worlds.

Zoe is forced to cut the mission short. No samples are returned and, to her despair, half the expedition is a failure.0

The ringed world of Saturn is almost a year of interplanetary travel away. By the time they reach it, medic John is seriously sick and deteriorating rapidly. He seems to have been exposed to a lethal level of radiation as Pegasus passed the Sun.

Amongst a mesmerizing trillion shards of ice and rocks tumbling in endless rings around this gas giant, crew member Nina Sulman conducts a spacewalk.

She collects a fragment for testing, hoping it will help establish the rings’ origins and age.

By the time she returns, John has passed away, no longer able to fight the radiation in his body. His death is a terrible blow to the astronauts.

Torn between returning to Earth or venturing on to Pluto, at the edge of the Solar System, the psychological stress takes its toll and the crew take the unprecedented step of cutting contact with Mission Control whilst they make up their minds.

Eventually, the astronauts re-establish communication having decided to continue on their Plutonian path.

Almost two years elapse before Pegasus draws close to the tiny frozen world of Pluto, its massive moon hanging close by.

Tom and Yvan make the descent and spend 10 days constructing a telescope which will remain on the surface after they leave, scouring the Galaxy for other Earth-like planets.

Heading for home, there is one final mission: to land on a newly observed comet, Messier, to sample pristine material from the birth of the Solar System in a search for the organic building blocks of life.

As the crew rests inside their lander, the comet suddenly starts breaking up without warning, shedding material into space and blocking a safe return to orbit.

Zoe and Nina make a dramatic emergency launch to bring them within sight of Pegasus, but comet debris has breached its hull, injuring Yvan.

Tom is busy fighting a fire on board. The safety of Earth suddenly seems a long way off…

Horizon producer David Sington on why predictions about the Earth’s climate will need to be re-examined.

We are all seeing rather less of the Sun. Scientists looking at five decades of sunlight measurements have reached the disturbing conclusion that the amount of solar energy reaching the Earth’s surface has been gradually falling. Paradoxically, the decline in sunlight may mean that global warming is a far greater threat to society than previously thought.

The effect was first spotted by Gerry Stanhill, an English scientist working in Israel. Comparing Israeli sunlight records from the 1950s with current ones, Stanhill was astonished to find a large fall in solar radiation. “There was a staggering 22% drop in the sunlight, and that really amazed me,” he says.

Intrigued, he searched out records from all around the world, and found the same story almost everywhere he looked, with sunlight falling by 10% over the USA, nearly 30% in parts of the former Soviet Union, and even by 16% in parts of the British Isles. Although the effect varied greatly from place to place, overall the decline amounted to 1-2% globally per decade between the 1950s and the 1990s.

Gerry called the phenomenon global dimming, but his research, published in 2001, met with a sceptical response from other scientists. It was only recently, when his conclusions were confirmed by Australian scientists using a completely different method to estimate solar radiation, that climate scientists at last woke up to the reality of global dimming.

Dimming appears to be caused by air pollution. Burning coal, oil and wood, whether in cars, power stations or cooking fires, produces not only invisible carbon dioxide (the principal greenhouse gas responsible for global warming) but also tiny airborne particles of soot, ash, sulphur compounds and other pollutants.

This visible air pollution reflects sunlight back into space, preventing it reaching the surface. But the pollution also changes the optical properties of clouds. Because the particles seed the formation of water droplets, polluted clouds contain a larger number of droplets than unpolluted clouds. Recent research shows that this makes them more reflective than they would otherwise be, again reflecting the Sun’s rays back into space.

Scientists are now worried that dimming, by shielding the oceans from the full power of the Sun, may be disrupting the pattern of the world’s rainfall. There are suggestions that dimming was behind the droughts in sub-Saharan Africa which claimed hundreds of thousands of lives in the 1970s and 1980s. There are disturbing hints the same thing may be happening today in Asia, home to half the world’s population. “My main concern is global dimming is also having a detrimental impact on the Asian monsoon,” says Prof Veerhabhadran Ramanathan, one of the world’s leading climate scientists. “We are talking about billions of people.”

But perhaps the most alarming aspect of global dimming is that it may have led scientists to underestimate the true power of the greenhouse effect. They know how much extra energy is being trapped in the Earth’s atmosphere by the extra carbon dioxide (CO2) we have placed there. What has been surprising is that this extra energy has so far resulted in a temperature rise of just 0.6°C.

This has led many scientists to conclude that the present-day climate is less sensitive to the effects of carbon dioxide than it was, say, during the ice age, when a similar rise in CO2 led to a temperature rise of 6°C. But it now appears the warming from greenhouse gases has been offset by a strong cooling effect from dimming – in effect two of our pollutants have been cancelling each other out. This means that the climate may in fact be more sensitive to the greenhouse effect than thought.

If so, then this is bad news, according to Dr Peter Cox, one of the world’s leading climate modellers. As things stand, CO2 levels are projected to rise strongly over coming decades, whereas there are encouraging signs that particle pollution is at last being brought under control. “We’re going to be in a situation, unless we act, where the cooling pollutant is dropping off while the warming pollutant is going up. That means we’ll get reduced cooling and increased heating at the same time and that’s a problem for us,” says Cox.

Even the most pessimistic forecasts of global warming may now have to be drastically revised upwards. That means a temperature rise of 10°C by 2100 could be on the cards, giving the UK a climate like that of North Africa, and rendering many parts of the world uninhabitable. That is unless we act urgently to curb our emissions of greenhouse gases.

http://rapidshare.com/files/49872854/Global_Dimming_-_BBC_Documentary__2005_.part1.rar

http://rapidshare.com/files/49874633/Global_Dimming_-_BBC_Documentary__2005_.part2.rar

http://rapidshare.com/files/49876204/Global_Dimming_-_BBC_Documentary__2005_.part3.rar

http://rapidshare.com/files/49877952/Global_Dimming_-_BBC_Documentary__2005_.part4.rar

http://rapidshare.com/files/49878146/Global_Dimming_-_BBC_Documentary__2005_.part5.rar

Beneath the reflective atmosphere of Venus lurks a planet that has puzzled man for centuries.
Another from the Excellent “Images of the Cosmos” series of Astronomy programmes.
Mars may get all the press but Venus should be almost a twin of earth considering it’s orbital distance and size.
Instead it is a Hell planet. Why ? This explores Venus in quite some depth (and I have found few programmes that have BTW though I remember a documentary about catastrophism and Venus from somewhere) Answering some of the old questions that perplexed Huygens about it’s mysterious surface while posing new questions about it’s strange exogeology, atmosphere & surface features.

http://rapidshare.com/files/68675168/Venus_Unveiled.part1.rar

http://rapidshare.com/files/68677066/Venus_Unveiled.part2.rar

http://rapidshare.com/files/67121300/Venus_Unveiled.part3.rar

http://rapidshare.com/files/67121335/Venus_Unveiled.part4.rar