Universe
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YEAR: 2021 | LENGTH: 5 episodes (~60 minutes each) | SOURCE: BBC
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Professor Brian Cox journeys across the vastness of time and space revealing epic moments of sheer drama that changed the universe forever.
episodes:
01. The Sun: God Star
Professor Brian Cox begins his epic exploration of the cosmos with a hymn to the great luminous bodies that bring light and warmth to the universe: the stars.It is estimated that there are two hundred trillion stars in the universe, each playing their part in an epic story of creation- a great saga that stretches from the dawn of time, with the arrival of the first star, through diverse generations until the arrival of our own star, the sun, and a civilisation that has grown up in its light.
02. Alien Worlds: The Search for Second Earth
Humans have long gazed up at the night sky, wondering whether other lifeforms and intelligences could be thriving on worlds far beyond our own.
Answering that question seemed fated to remain pure speculation. But over the last few decades, ultra-sensitive telescopes and dogged detective work have transformed alien planet-hunting from science fiction into hard fact. Gone are the days of speculation; the hunt for extraterrestrials has become a matter of serious scientific inquiry.
As the hunt for alien worlds began, we expected to find worlds similar to the planets in our own solar system, but we instead discovered a riot of exotic worlds. Vivid animation based on data from the most successful planet hunter of them all, the Kepler space telescope, brings these worlds into view: puffy planets with the density of polystyrene, unstable worlds orbiting two suns and 1,000-degree, broiling gas giants with skies whipped into titanic winds.
But perhaps the most startling discovery was the number of worlds that may be contenders for a second Earth. Our latest survey of the galaxy estimates that there are billions of rocky planets at the right distance from their sun to have that ingredient so crucial for life as we know it, liquid water. Amongst them, we witness the most tantalizing discovery of all: a so-called ‘super-Earth’, situated in the Goldilocks zone – the area just the right distance from a sun to potentially support life – and with the faint signal of water in its atmosphere.
With over 2,800 exoplanets confirmed by Kepler and discoveries still rolling in, Brian lays out his own answer to the age-old question with thrilling new science: are we alone?
03. The Milky Way: Island of Light
Professor Brian Cox continues his epic exploration of the cosmos by looking at the faint band of light that sweeps across the night sky – our own galaxy, the Milky Way. The Sun is just one of almost 400 billion stars that form this vast, majestic disk of light, our own home in the universe. We’ve longed to understand our galaxy’s secrets since the time of the ancient Greeks, yet it’s only very recently, thanks to a cutting-edge space telescope, that we’re finally able to reveal the Milky Way’s dramatic history and predict its cataclysmic future.
One mission more than any other has deepened our understanding of the galaxy, the European Space Agency’s Gaia Space Telescope. It painstakingly measures the true position of over a billion stars, producing the most accurate map of our galaxy ever created. But more than mapping stars, Gaia also measures their movement, allowing us to track their positions back through time – to rewind the history of the Milky Way. It has created a new kind of science: galactic archaeology.
Our galaxy started to form shortly after the Big Bang around 13.6 billion years ago. It started out a fraction of the size it is today, and Gaia has revealed how it grew over the eons. Beautifully rendered VFX based on the very latest Gaia data has uncovered the remarkable story of our galaxy’s evolution. As our young galaxy encountered rival galaxies, it experienced a series of violent growth spurts and intense periods of cataclysmic change while battling to survive.
Over billions of years, our Milky Way cannibalised neighbouring galaxies, adding countless new stars and triggering great epochs of creation. Brian reveals we may even owe our own existence to one of these galactic collisions. Each time our galaxy feeds, a new era of star formation begins, fuelled by incoming torrents of fresh gas and energy. The latest evidence suggests that our own star was possibly born in one such event.
We may be small compared to the universe, but we are the consequence of grand events, and there is another collision to come. Another, larger galaxy is coming our way. Andromeda is heading straight for us at a quarter of a million miles per hour. The Milky Way’s long-term fate is in the balance.
04. Black Holes: Heart of Darkness
Professor Brian Cox continues his epic exploration of the universe with a journey into darkness. The centre of our galaxy is home to an invisible monster of unimaginable power – a supermassive black hole named Sagittarius A*. Weighing four million times the mass of the Sun, it’s an object with such an immense gravitational field that nothing can escape – not even light.
For decades, black holes existed purely in the minds of theoretical physicists – the idea was so absurd, scientists thought they couldn’t possibly exist in nature. But recent astronomical breakthroughs have confirmed not only that black holes like Sagittarius A* exist, but that these bizarre invisible objects may be the ultimate galactic protagonists.
Stunning CGI takes us back to witness the fiery origins of our galaxy’s black hole 13.6 billion years ago, when the early universe was home to colossal blue stars hundreds of times more massive than our sun. These stars lived fast and died young, and when they ran out of fuel, they collapsed under their own enormous mass, crushing down into an object so small and so dense it punched a hole in the fabric of the universe. That is how our galaxy’s black hole was born.
The story of Sagittarius A* is a tale of both destruction and creation. Over billions of years, it feasted on nearby gas and stars, and through cataclysmic mergers with other black holes it sent ripples through the fabric of the universe. But Brian reveals that we have recently come to understand how our black hole is also an agent of creation. A breakthrough discovery by Nasa’s Fermi gamma-ray telescope has shown that our black hole once had the power to sculpt the entire galaxy, creating vast bubbles of gas above and below our galaxy that persist to this day. We may even have Sagittarius A* to thank for our own existence.
In a mind-bending conclusion, Brian reveals how our modern understanding of black holes is challenging our concepts of reality to the breaking point. He takes us on a trip inside Sagittarius A*, where we discover that the interior of a black hole is not a tomb but a gateway to the end of the universe. And weirder still, in trying to understand the fate of objects that fall into Sagittarius A*, scientists have come to a stunning conclusion: space and time, concepts so foundational to how we experience the world around us, are not as fundamental as we once thought.
05. The Big Bang: Before the Dawn
Professor Brian Cox asks the ultimate question: how did the universe come to be? It is daunting in its scale. We live on one planet of eight that orbit just one of the 400 billion stars in our galaxy, which in turn is one of trillions in the universe. Yet it is amongst those galaxies that we have been able to unravel the story of the universe’s creation. Thanks to a series of discoveries, our most powerful space missions have unravelled 13.8 billion years of cosmic evolution and revealed the story of our universe from its birth all the way to the arrival of our nascent civilisation.
Our guide on this odyssey back to the dawn of time is light. Telescopes are time machines – by looking out into the distant universe, they open a window to the past. One telescope more than any other has helped us journey through the history of the universe: NASA’s Hubble Space Telescope. Over the course of three decades, Hubble has shown us cosmic evolution in action – including stars and planets being born and galaxies colliding. Remarkably, Hubble has even found one of the first galaxies ever to exist in the universe, which was born some 13.4 billion years ago. It’s a discovery that hints at the beginnings of our own Milky Way. Vivid CGI brings this ancient galaxy to life, allowing us to witness for ourselves the first dawn. It was the beginning of a relationship between stars and planets that would, on a faraway world, lead to the origin of life – and ultimately to us.
Hubble’s incredible discoveries have allowed scientists to piece together much of our cosmic story, but it cannot take us back to the most important moment in history: the Big Bang. For decades, the moment the universe began was the subject of pure speculation, but by combining astronomy and cosmology, scientists have finally found a way to put their theories to the test and study the momentous events that took place during the Big Bang. They can do this because the European Space Agency’s Planck space telescope has seen the afterglow of the Big Bang itself – something we call the cosmic microwave background. The unparalleled detail Planck gave us has helped confirm something remarkable: the Big Bang may not be the beginning. There was a time before the dawn – a place beyond anything we can comprehend. Brian transports us back to the fraction of a second before the Big Bang, when the seeds of our universe were planted.
The story of our universe’s origin is an improbable odyssey, one that helps us understand how we came to be here, contemplating this vast cosmic drama.
SIMILAR TITLES:
Stargazing Live
The Universe
How The Universe Works
Human Universe
Wonders of the Universe
Cosmos: A Space-Time Odyssey
Wonders of the Universe
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YEAR: 2012 | LENGTH: 4 parts (60 minutes each) | SOURCE: BBCdescription:
Professor Brian Cox reveals how the most fundamental scientific principles and laws explain not only the story of the universe, but the story of us al.episodes:
01. Destiny
Having explored the wonders of the solar system, Professor Brian Cox steps boldly on to an even bigger stage – the universe.
Who are we? Where do we come from? For thousands of years humanity has turned to religion and myth for answers to these enduring questions. But in this series, Brian presents a different set of answers – answers provided by science.
In this episode, Brian seeks to understand the nature of time and its role in creating both the universe and ourselves. From an extraordinary calendar built into the landscape of Peru to the beaches of Costa Rica, Brian explores the cycles of time which define our experience of life on Earth. But even the most epic cycles of life can’t begin to compare to the vast expanse of cosmic time.
For instance, just as the Earth orbits the Sun, the solar system orbits the entire Milky Way galaxy. This orbit takes a staggering 250 million years to complete.
Ultimately, Brian discovers that time is not characterised by repetition but by irreversible change. From the relentless march of a glacier, to the decay of an old mining town, the ravaging effects of time are all around us. The vast universe is subject to these same laws of change. As we look out to the cosmos, we can see the story of its evolution unfold, from the death of the first stars to the birth of the youngest. This journey from birth to death will ultimately lead to the destruction not just of our planet, but also the entire universe, and with it the end of time itself.
Yet without this inevitable destruction, the universe would be without what is perhaps the greatest wonder of all; the brief moment in time in which life can exist.
02. Stardust
In the second stop in his exploration of the wonders of the universe, Professor Brian Cox goes in search of humanity’s very essence to answer the biggest questions of all: what are we? And where do we come from? This film is the story of matter – the stuff of which we are all made.
Brian reveals how our origins are entwined with the life cycle of the stars. But he begins his journey here on Earth. In Nepal, he observes a Hindu cremation. Hindu philosophy is based on an eternal cycle of creation and destruction, where the physical elements of the body are recycled on to the next stage. Brian draws a parallel with the life cycle of the stars that led to our own creation.
Next, he explains how the Earth’s resources have been recycled through the ages. How every atom that makes up everything we see, was at some time a part of something else. Our world is made up of just 92 elements, and these same 92 elements are found throughout the entire universe. We are part of the universe because we are made of the same stuff as the universe.
03. Falling
In the third episode, Professor Brian Cox takes on the story of the force that sculpts the entire universe – gravity.
Gravity seems so familiar, and yet it is one of the strangest and most surprising forces in the universe. Starting with a zero gravity flight, Brian experiences the feeling of total weightlessness, and considers how much of an effect gravity has had on the world around us.
But gravity also acts over much greater distances. It is the great orchestrator of the cosmos. It dictates our orbit around the sun, our relationship with the other planets in our solar system, and even the way in which our solar system orbits our galaxy.
Yet the paradox of gravity is that it is actually a relatively weak force. Brian takes a face distorting trip in a centrifuge to explain how it is that gravity achieves its great power, before looking at the role it plays in one of the most extraordinary phenomena in the universe – a neutron star. Although it is just a few kilometres across, it is so dense that its gravity is 100, 000 million times as strong as on Earth.
Over the centuries our quest to understand gravity has allowed us to understand some of the true wonders of the universe, and Brian reveals that it is scientists’ continuing search for answers that inspires his own sense of wonder.
04. Messengers
In the last episode of Professor Brian Cox’s epic journey across the universe, he travels from the fossils of the Burgess Shale to the sands of the oldest desert in the world to show how light holds the key to our understanding of the whole universe, including our own deepest origins.
To understand how light holds the key to the story of the universe, you first have to understand its peculiar properties. Brian considers how the properties of light that lend colour to desert sands and the spectrum of a rainbow can lead to profound insights into the history and evolution of our universe.
Finally, with some of the world’s most fascinating fossils in hand Brian considers how, but for an apparently obscure moment in the early evolutionary history of life, all the secrets of light may have remained hidden. Because although the universe is bathed in light that carries extraordinary amounts of information about where we come from, it would have remained invisible without a crucial evolutionary development that allowed us to see. Only because of that development can we now observe, capture and contemplate the incredible wonders of the universe that we inhabit.SIMILAR TITLES:
Wonders of the Solar System
Hubble: The Wonders of Space Revealed
Journey to the Edge of the Universe
How Big is the Universe?
#universe
BBC Two - Wonders of the Universe
Prof Brian Cox reveals how the story of humanity is entwined with that of the universe.BBC
BBC Two - Universe
Professor Brian Cox reveals epic moments of sheer drama that changed the universe forever.BBC
This entry was edited (2 years ago)
