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It is commonly theorized that the universe began with the Big Bang 13.7 billion years ago. But since we can only see as far as light has traveled in that time, we can't actually make out the edge of the universe. Could it be that the universe is infinite? Is there any way to find out what the shape of the universe really is? Can we find the edge, discover what might lie beyond it, and perhaps even discover a universe next to ours? 

Physics,The Universe

Is There an Edge to the Universe

It is commonly theorized that the universe began with the Big Bang 13.7 billion years ago. But since we can only see as far as light has traveled in that time, we can't actually make out the edge of the universe. Could it be that the universe is infinite? Is there any way to find out what the shape of the universe really is? Can we find the edge, discover what might lie beyond it, and perhaps even discover a universe next to ours?
January 24, 2014 - [ 1 part ]
Stephen Hawking

Science,People,Physics,The Universe

Master Of The Universe

Stephen Hawking
January 4, 2014 - [ 1 part ]
Neil Armstrong, Apollo 11 Commander and first person to walk on the moon, guides us through the history of the National Aeronautics and Space Administration in the half-century since its establishment in 1958. Produced by NASA TV, 2008.

History,Science,The Future,The Universe,Machinery

Armstrong Hosts NASA 50th Anniversary

Neil Armstrong, Apollo 11 Commander and first person to walk on the moon, guides us through the history of the National Aeronautics and Space Administration in the half-century since its establishment in 1958. Produced by NASA TV, 2008.
August 31, 2012 - [ 1 part ]
A discussion on the life of Stephen Hawking and the topic of information loss in a black hole. 

Science,Physics,The Universe

The Hawking Paradox

A discussion on the life of Stephen Hawking and the topic of information loss in a black hole.
March 14, 2012 - [ 5 parts ]
There was a time, not so long ago, when science seemed to understand how the universe worked. Everything us, the Earth, the stars and even exotic-sounding supernovae was made of atoms which were all created at time-zero: the Big Bang. In between the atoms was nothing, a void: quite literally, 'space'.  But recently things have started to unravel. There is, it seems, a lot more to the universe than meets the eye. According to the best estimates, we only really know what about 4% of it is made of. But if only 4% is made of atoms, what about the rest? The rest is made of mysterious entities about which very little is understood, with equally mysterious names: dark matter and dark energy.

Science,Physics,Chemistry,The Universe

Most of our Universe is Missing

There was a time, not so long ago, when science seemed to understand how the universe worked. Everything us, the Earth, the stars and even exotic-sounding supernovae was made of atoms which were all created at time-zero: the Big Bang. In between the atoms was nothing, a void: quite literally, 'space'. But recently things have started to unravel. There is, it seems, a lot more to the universe than meets the eye. According to the best estimates, we only really know what about 4% of it is made of. But if only 4% is made of atoms, what about the rest? The rest is made of mysterious entities about which very little is understood, with equally mysterious names: dark matter and dark energy.
March 14, 2012 - [ 5 parts ]
This NASA documentary explains the complexity of planning a lunar mission trajectory. Includes mission analysis, new mathematical techniques, hybrid computers, mission operational plan, and real-time support for the NASA JSC's Mission Operations Control Room.

Science,Physics,The Universe,Mathematics

Fly me to the Moon and back

This NASA documentary explains the complexity of planning a lunar mission trajectory. Includes mission analysis, new mathematical techniques, hybrid computers, mission operational plan, and real-time support for the NASA JSC's Mission Operations Control Room.
January 20, 2012 - [ 1 part ]
A Brief History of Time Sound of Full Book

Science,Physics,The Universe,Astronomy

A Brief History of Time

A Brief History of Time Sound of Full Book
January 12, 2012 - [ 1 part ]
The film focuses on the historical and future significance of American manned space flight and the importance of the United States remaining on the forefront of space discovery. 'The 2nd Assassination of JFK' commemorates the Florida Coast's pivotal role in human space discovery. The future of the Space Program is examined through thought provoking interviews with astronauts, NASA engineers, residents of the Space Coast in Florida, among others. With massive budget cuts from previous and current US administrations, the country will coon be losing our collective and genius workforce at the Kennedy Space Center. '2nd Assassination of JFK' brings to light the uncertainties surrounding the future of America in space, and how this uncertainty could be one of our most costly mistakes.

Science,The Future,The Universe,Politics

The 2nd Assassination of JFK

The film focuses on the historical and future significance of American manned space flight and the importance of the United States remaining on the forefront of space discovery. 'The 2nd Assassination of JFK' commemorates the Florida Coast's pivotal role in human space discovery. The future of the Space Program is examined through thought provoking interviews with astronauts, NASA engineers, residents of the Space Coast in Florida, among others. With massive budget cuts from previous and current US administrations, the country will coon be losing our collective and genius workforce at the Kennedy Space Center. '2nd Assassination of JFK' brings to light the uncertainties surrounding the future of America in space, and how this uncertainty could be one of our most costly mistakes.
October 7, 2011 - [ 1 part ]
Documentary about End of the Earth, Sun and universe. The future of the planet is closely tied to that of the Sun. As a result of the steady accumulation of helium at the Sun's core, the star's total luminosity will slowly increase. The luminosity of the Sun will grow by 10% over the next 1.1 Gyr (1.1 billion years) and by 40% over the next 3.5 Gyr.Climate models indicate that the rise in radiation reaching the Earth is likely to have dire consequences, including the loss of the planet's oceans. The Earth's increasing surface temperature will accelerate the inorganic CO2 cycle, reducing its concentration to levels lethally low for plants (10 ppm for C4 photosynthesis) in approximately 500 million to 900 million years. The lack of vegetation will result in the loss of oxygen in the atmosphere, so animal life will become extinct within several million more years.After another billion years all surface water will have disappeared and the mean global temperature will reach 70 °C. The Earth is expected to be effectively habitable for about another 500 million years from that point,lthough this may be extended up to 2.3 billion years if the nitrogen is removed from the atmosphere.Even if the Sun were eternal and stable, the continued internal cooling of the Earth would result in a loss of much of its CO2 due to reduced volcanism,nd 35% of the water in the oceans would descend to the mantle due to reduced steam venting from mid-ocean ridges.The Sun, as part of its evolution, will become a red giant in about 5 Gyr. Models predict that the Sun will expand out to about 250 times its present radius, roughly 1 AU (150,000,000 km). Earth's fate is less clear. As a red giant, the Sun will lose roughly 30% of its mass, so, without tidal effects, the Earth will move to an orbit 1.7 AU (250,000,000 km) from the Sun when the star reaches it maximum radius. The planet was therefore initially expected to escape envelopment by the expanded Sun's sparse outer atmosphere, though most, if not all, remaining life would have been destroyed by the Sun's increased luminosity (peaking at about 5000 times its present level).However, a more recent simulation indicates that Earth's orbit will decay due to tidal effects and drag, causing it to enter the red giant Sun's atmosphere and be vaporized.Possible alternatives to this fate include the purposeful displacement of an asteroid from the Kuiper belt, which would repeatedly fly close enough to Earth as to enlarge its orbit, thereby preventing the overheating of its surface. The lifespan of the biosphere could thereby be extended by 5 billion years. 

Science,Physics,The Universe,Life,Astronomy

End of the Earth in Universe

Documentary about End of the Earth, Sun and universe. The future of the planet is closely tied to that of the Sun. As a result of the steady accumulation of helium at the Sun's core, the star's total luminosity will slowly increase. The luminosity of the Sun will grow by 10% over the next 1.1 Gyr (1.1 billion years) and by 40% over the next 3.5 Gyr.Climate models indicate that the rise in radiation reaching the Earth is likely to have dire consequences, including the loss of the planet's oceans. The Earth's increasing surface temperature will accelerate the inorganic CO2 cycle, reducing its concentration to levels lethally low for plants (10 ppm for C4 photosynthesis) in approximately 500 million to 900 million years. The lack of vegetation will result in the loss of oxygen in the atmosphere, so animal life will become extinct within several million more years.After another billion years all surface water will have disappeared and the mean global temperature will reach 70 °C. The Earth is expected to be effectively habitable for about another 500 million years from that point,lthough this may be extended up to 2.3 billion years if the nitrogen is removed from the atmosphere.Even if the Sun were eternal and stable, the continued internal cooling of the Earth would result in a loss of much of its CO2 due to reduced volcanism,nd 35% of the water in the oceans would descend to the mantle due to reduced steam venting from mid-ocean ridges.The Sun, as part of its evolution, will become a red giant in about 5 Gyr. Models predict that the Sun will expand out to about 250 times its present radius, roughly 1 AU (150,000,000 km). Earth's fate is less clear. As a red giant, the Sun will lose roughly 30% of its mass, so, without tidal effects, the Earth will move to an orbit 1.7 AU (250,000,000 km) from the Sun when the star reaches it maximum radius. The planet was therefore initially expected to escape envelopment by the expanded Sun's sparse outer atmosphere, though most, if not all, remaining life would have been destroyed by the Sun's increased luminosity (peaking at about 5000 times its present level).However, a more recent simulation indicates that Earth's orbit will decay due to tidal effects and drag, causing it to enter the red giant Sun's atmosphere and be vaporized.Possible alternatives to this fate include the purposeful displacement of an asteroid from the Kuiper belt, which would repeatedly fly close enough to Earth as to enlarge its orbit, thereby preventing the overheating of its surface. The lifespan of the biosphere could thereby be extended by 5 billion years.
June 13, 2011 - [ 5 parts ]
Naked Science,National Geographic Channel,narrated by Alec Baldwin

Science,The Universe,Astronomy

Journey To The Edge Of The Universe

Naked Science,National Geographic Channel,narrated by Alec Baldwin
June 1, 2011 - [ 12 parts ]