The Astronomers

Habitable Planets - and what they mean to us

Why habitable planets like Kepler-22b matter. More information: http://www.nasa.gov/mission_pages/kepler/news/kepscicon-briefing.html Subscribe to save a kitten. Stalk me: http://Twitter.com/DeanLeysen http://Facebook.com/DeanLeysen Tumblr: http://Tumblr.com/DeanLeysen Music: Brad Sucks (used with permission) Tags: DeanLeysen "Dean Leysen" OGFurious Furious "planets like earth" earth planet cosmos universe space alien aliens "carl sagan" sagan "richard dawkins" dawkins "neil degrasse tyson" tyson cosmology astrophysics kepler-22b kepler discovery discovered science scientific habitable life newton laws "laws of motion"

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Channels: Planetary science 

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Kepler, Exoplanets and SETI - Geoff Marcy (SETI Talks)

SETI Talks archive: http://seti.org/talks Science fiction portrays our Milky Way Galaxy as filled with habitable planets populated by advanced civilizations engaged in interstellar trade and conflict. Back in our real universe, Earth-like planets and alien life have proved elusive. Has science fiction led us astray? NASA has launched a space-borne telescope, Kepler, dedicated to discovering the first Earth-like worlds around other stars. The first results are startling and profound. How common are worlds that are suitable for life? What properties make a planet livable? Can we estimate the occurrence of life in the universe, especially intelligent life? New telescopic and biological observations are providing the first answers to these questions. And new techniques are emerging to provide those answers.

Geoff  Marcy  uc  berkeley  exoplanets  seti  institute  carl  sagan  astronomy 

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Hubble Space Telescope Directly Observes Exoplanet

Science & Reason on Facebook: http://tinyurl.com/ScienceReason Hubblecast 22: Hubble Space Telescope Directly Observes Exoplanet Orbiting Fomalhaut. The NASA/ESA Hubble Space Telescope has discovered an extrasolar planet, for the first time using direct visible-light imaging. The strange world is far-flung from its parent star, is surrounded by a colossal belt of gas and dust, and may even have rings more impressive than Saturn's. --- Subscribe to Science & Reason: • http://www.YouTube.com/Best0fScience • http://www.YouTube.com/ScienceMagazine • http://www.YouTube.com/ScienceTV • http://www.YouTube.com/FFreeThinker --- Credit: - ESA/Hubble (M. Kornmesser & L. L. Christensen) - Visual design & Editing: Martin Kornmesser - Animations: Martin Kornmesser & Luis Calçada - Web Hosting: Leibniz-Rechenzentrum (LRZ) - Web Technical Support: Lars Holm Nielsen & Raquel Yumi Shida - Written by: Lee Pullen & Lars Lindberg Christensen - Host: Dr. J - Narration: Bob Fosbury - Cinematography: Peter Rixner - Music: movetwo - Footage and photos: A. Fujii, Digitized Sky Survey 2, NASA, ESA, and P. Kalas (University of California, Berkeley). Acknowledgment: Davide De Martin (ESA/Hubble) - Directed by: Lars Lindberg Christensen Dr. J is a German astronomer at the ESO. His scientific interests are in cosmology, particularly on galaxy evolution and quasars. Dr. J's real name is Joe Liske and he has a PhD in astronomy. Hubble European Space Agency Information Centre Garching/Munich, Germany • http://www.eso.org • http://www.spacetelescope.org • http://hubblesite.org .

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Added: 453 days ago by deek

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The Ascent of Man - 10: World within World 5/5

Part 1: http://www.youtube.com/watch?v=h2cqMDBOrGI Playlist: http://www.youtube.com/view_play_list?p=A3FC4D7ED67F4B1A The inspiration for Carl Sagans 1980 series, Cosmos, Jacob Bronowskis 1973 series, The Ascent of Man, alludes to and seeks to somewhat challenge the notion of some of Charles Darwins conclusions in The Decent of Man. Over the course of thirteen episodes, Bronowski travelled around the world in order to trace the development of human society through its understanding of science. Jacob Bronowski was one of a small group of men and women in any age who find all of human knowledge-the arts and sciences, philosophy and psychology-interesting and accessible. He was not confined to a single discipline, but ranged over the entire panorama of human learning. His book and television series, The Ascent of Man, are a superb teaching tool and a remarkable memorial; they are, in a way, an account of how human beings and human brains grew up together. Carl Sagan, The Dragons of Eden Part 10: World within World Bronowski explores the chemical world: from the periodic table to quantum mechanics.

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The Ascent of Man - 11: Knowledge or Certainty 4/5

Part 1: http://www.youtube.com/watch?v=_1nnPXh2f1A Playlist: http://www.youtube.com/view_play_list?p=A3FC4D7ED67F4B1A The inspiration for Carl Sagans 1980 series, Cosmos, Jacob Bronowskis 1973 series, The Ascent of Man, alludes to and seeks to somewhat challenge the notion of some of Charles Darwins conclusions in The Decent of Man. Over the course of thirteen episodes, Bronowski travelled around the world in order to trace the development of human society through its understanding of science. Jacob Bronowski was one of a small group of men and women in any age who find all of human knowledge-the arts and sciences, philosophy and psychology-interesting and accessible. He was not confined to a single discipline, but ranged over the entire panorama of human learning. His book and television series, The Ascent of Man, are a superb teaching tool and a remarkable memorial; they are, in a way, an account of how human beings and human brains grew up together. Carl Sagan, The Dragons of Eden Part 11: Knowledge or Certainty Bronowski explores the impossibility of absolute certainty dictated by the laws of quantum mechanics .

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Welcome to the Hubble Universe: Nebula & Galaxies: A Cosmic Journey

http://Cosmology.com Nebula & Galaxies: A Cosmic Journey Through the Universe. A documentary film by Rhawn Joseph, Ph.D. http://BrainMind.com The music in order of play: "Flight of the Valkries" by Wagner. "William Tell Overture" by Rossini. Beethoven. "Poet & Peasant Overture" by von Suppe.

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The Library Of Alexandria - Best Of Carl Sagan's Cosmos (7)

The Library Of Alexandria - Best Of Carl Sagan's Cosmos (Part 7). --- Subscribe to Science & Reason: • http://www.youtube.com/Best0fScience • http://www.youtube.com/SagansCosmos • http://www.youtube.com/FFreeThinker --- BEST OF CARL SAGAN'S "COSMOS": 1) 10 Years After: Carl Sagan & Ann Druyan Reflect: http://www.youtube.com/watch?v=leTNfwfH0Jc 2) Lost Between Immensity And Eternity: http://www.youtube.com/watch?v=vIVsDg6U0LU 3) The Realm Of The Galaxies: http://www.youtube.com/watch?v=1axoV6HhWfI 4) Our Galaxy, The Milky Way: http://www.youtube.com/watch?v=eOazBTHzRYA 5) Our Solar System: http://www.youtube.com/watch?v=iBqjob-UVeo 6) Eratosthenes And The Round Earth Model: http://www.youtube.com/watch?v=en5UKtcNujI 7) The Library Of Alexandria: http://www.youtube.com/watch?v=vVQs4B2jAW0 8) A Short History Of The Universe: http://www.youtube.com/watch?v=7n2r0qOxJ6k 9) Artificial And Natural Selection: http://www.youtube.com/watch?v=i3uToVWZkWM 10) The Cosmic Year: http://www.youtube.com/watch?v=yFqbm_94nTM 11) Tree Of Life - 4 Billion Years Of Evolution: http://www.youtube.com/watch?v=KF0UECN4ndA 12) The Miracle Of Life: http://www.youtube.com/watch?v=TOyojWeOYNA 13) DNA - The Common Basis Of Life: http://www.youtube.com/watch?v=ecmuvjSykf8 14) Abiogenesis The Origin Of Life: http://www.youtube.com/watch?v=yet1xkAv_HY 15) Astronomy vs Astrology: http://www.youtube.com/watch?v=ImaQS9NJ0nI 16) Pictures In The Sky: http://www.youtube.com/watch?v=iwCAwc4bge4 17) Ancient Astronomy: http://www.youtube.com/watch?v=H-5dwJwau1Y 18) Triumph Of Modern Science Over Medieval Superstition: http://www.youtube.com/watch?v=8lfmRqT-B_c 19) The Mysterious Tonguska Event: http://www.youtube.com/watch?v=irVof7adq4s --- Carl Edward Sagan, Ph.D. (1934-1996) was an American astronomer, astrochemist, author, and highly successful popularizer of astronomy, astrophysics and other natural sciences. He pioneered exobiology and promoted the Search for Extra-Terrestrial Intelligence (SETI). He is world-famous for writing popular science books and for co-writing and presenting the award-winning 1980 television series "Cosmos: A Personal Voyage", which has been seen by more than 600 million people in over 60 countries, making it the most widely watched PBS program in history. A book to accompany the program was also published. He also wrote the novel "Contact", the basis for the 1997 Robert Zemecki's film of the same name starring Jodie Foster. During his lifetime, Sagan published more than 600 scientific papers and popular articles and was author, co-author, or editor of more than 20 books. In his works, he frequently advocated skeptical inquiry, secular humanism, and the scientific method. http://www.carlsagan.com .

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Ancient Astronomy - Best Of Carl Sagan's Cosmos (17)

Ancient Astronomy - Best Of Carl Sagan's Cosmos (Part 17) --- Subscribe to Science & Reason: • http://www.youtube.com/Best0fScience • http://www.youtube.com/SagansCosmos • http://www.youtube.com/FFreeThinker --- BEST OF CARL SAGAN'S "COSMOS": 1) 10 Years After: Carl Sagan & Ann Druyan Reflect: http://www.youtube.com/watch?v=leTNfwfH0Jc 2) Lost Between Immensity And Eternity: http://www.youtube.com/watch?v=vIVsDg6U0LU 3) The Realm Of The Galaxies: http://www.youtube.com/watch?v=1axoV6HhWfI 4) Our Galaxy, The Milky Way: http://www.youtube.com/watch?v=eOazBTHzRYA 5) Our Solar System: http://www.youtube.com/watch?v=iBqjob-UVeo 6) Eratosthenes And The Round Earth Model: http://www.youtube.com/watch?v=en5UKtcNujI 7) The Library Of Alexandria: http://www.youtube.com/watch?v=vVQs4B2jAW0 8) A Short History Of The Universe: http://www.youtube.com/watch?v=7n2r0qOxJ6k 9) Artificial And Natural Selection: http://www.youtube.com/watch?v=i3uToVWZkWM 10) The Cosmic Year: http://www.youtube.com/watch?v=yFqbm_94nTM 11) Tree Of Life - 4 Billion Years Of Evolution: http://www.youtube.com/watch?v=KF0UECN4ndA 12) The Miracle Of Life: http://www.youtube.com/watch?v=TOyojWeOYNA 13) DNA - The Common Basis Of Life: http://www.youtube.com/watch?v=ecmuvjSykf8 14) Abiogenesis The Origin Of Life: http://www.youtube.com/watch?v=yet1xkAv_HY 15) Astronomy vs Astrology: http://www.youtube.com/watch?v=ImaQS9NJ0nI 16) Pictures In The Sky: http://www.youtube.com/watch?v=iwCAwc4bge4 17) Ancient Astronomy: http://www.youtube.com/watch?v=H-5dwJwau1Y 18) Triumph Of Modern Science Over Medieval Superstition: http://www.youtube.com/watch?v=8lfmRqT-B_c 19) The Mysterious Tonguska Event: http://www.youtube.com/watch?v=irVof7adq4s --- Carl Edward Sagan, Ph.D. (1934-1996) was an American astronomer, astrochemist, author, and highly successful popularizer of astronomy, astrophysics and other natural sciences. He pioneered exobiology and promoted the Search for Extra-Terrestrial Intelligence (SETI). He is world-famous for writing popular science books and for co-writing and presenting the award-winning 1980 television series "Cosmos: A Personal Voyage", which has been seen by more than 600 million people in over 60 countries, making it the most widely watched PBS program in history. A book to accompany the program was also published. He also wrote the novel "Contact", the basis for the 1997 Robert Zemecki's film of the same name starring Jodie Foster. During his lifetime, Sagan published more than 600 scientific papers and popular articles and was author, co-author, or editor of more than 20 books. In his works, he frequently advocated skeptical inquiry, secular humanism, and the scientific method. http://www.carlsagan.com .

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Cosmos Episodio 3 parte 7/7

Episodio 3: La armonía de los mundos Contenido: Astronomí­a vs astrologí­a Ptolomeo y el modelo geocéntrico Johannes Kepler y Tycho Brahe Las Leyes de Kepler. Fuente: http://es.wikipedia.org/wiki/Cosmos:_Un_viaje_personal Episode 3: The Harmony of the Worlds Contents: 1. Opening 2. Astronomers vs. Astrologers Astronomy vs. astrology 3. Astrology Careful observations, fuzzy thinking and pious fraud. 4. Laws of Nature 5. Constellations Constellations and ancient astronomy 6. Astronomers Anasazian ceremonial calendar 7. Ptolemy/Copernicus Ptolemy and the geocentric world view 8. Johannes Kepler 9. Kepler and Tycho Brahe 10. Kepler's Laws 11. The Somnium The first Science Fiction book: The Dream Source: http://en.wikipedia.org/wiki/Cosmos:_A_Personal_Voyage

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Triumph Of Modern Science Over Medieval Superstition

Johannes Kepler And The Triumph Of Modern Science Over Medieval Superstition - Best Of Carl Sagan's Cosmos (Part 18). Subscribe to Science & Reason: • http://www.youtube.com/SagansCosmos • http://www.youtube.com/Best0fScience • http://www.youtube.com/FFreeThinker BEST OF CARL SAGAN'S "COSMOS": 1) 10 Years After: Carl Sagan & Ann Druyan Reflect: http://www.youtube.com/watch?v=leTNfwfH0Jc 2) Lost Between Immensity And Eternity: http://www.youtube.com/watch?v=vIVsDg6U0LU 3) The Realm Of The Galaxies: http://www.youtube.com/watch?v=1axoV6HhWfI 4) Our Galaxy, The Milky Way: http://www.youtube.com/watch?v=eOazBTHzRYA 5) Our Solar System: http://www.youtube.com/watch?v=iBqjob-UVeo 6) Eratosthenes And The Round Earth Model: http://www.youtube.com/watch?v=en5UKtcNujI 7) The Library Of Alexandria: http://www.youtube.com/watch?v=vVQs4B2jAW0 8) A Short History Of The Universe: http://www.youtube.com/watch?v=7n2r0qOxJ6k 9) Artificial And Natural Selection: http://www.youtube.com/watch?v=i3uToVWZkWM 10) The Cosmic Year: http://www.youtube.com/watch?v=yFqbm_94nTM 11) Tree Of Life - 4 Billion Years Of Evolution: http://www.youtube.com/watch?v=KF0UECN4ndA 12) The Miracle Of Life: http://www.youtube.com/watch?v=TOyojWeOYNA 13) DNA - The Common Basis Of Life: http://www.youtube.com/watch?v=ecmuvjSykf8 14) Abiogenesis The Origin Of Life: http://www.youtube.com/watch?v=yet1xkAv_HY 15) Astronomy vs Astrology: http://www.youtube.com/watch?v=ImaQS9NJ0nI 16) Pictures In The Sky: http://www.youtube.com/watch?v=iwCAwc4bge4 17) Ancient Astronomy: http://www.youtube.com/watch?v=H-5dwJwau1Y 18) Triumph Of Modern Science Over Medieval Superstition: http://www.youtube.com/watch?v=8lfmRqT-B_c 19) The Mysterious Tonguska Event: coming soon Carl Edward Sagan, Ph.D. (1934-1996) was an American astronomer, astrochemist, author, and highly successful popularizer of astronomy, astrophysics and other natural sciences. He pioneered exobiology and promoted the Search for Extra-Terrestrial Intelligence (SETI). He is world-famous for writing popular science books and for co-writing and presenting the award-winning 1980 television series "Cosmos: A Personal Voyage", which has been seen by more than 600 million people in over 60 countries, making it the most widely watched PBS program in history. A book to accompany the program was also published. He also wrote the novel "Contact", the basis for the 1997 Robert Zemecki's film of the same name starring Jodie Foster. During his lifetime, Sagan published more than 600 scientific papers and popular articles and was author, co-author, or editor of more than 20 books. In his works, he frequently advocated skeptical inquiry, secular humanism, and the scientific method. • http://www.carlsagan.com Johannes Kepler (1571-1630) was a German mathematician, astronomer and astrologer, and key figure in the 17th century scientific revolution. He is best known for his eponymous laws of planetary motion, codified by later astronomers based on his works "Astronomia nova", "Harmonices Mundi", and "Epitome of Copernican Astrononomy". They also provided one of the foundations for Isaac Newton's theory of universal gravitation. During his career, Kepler was a mathematics teacher at a seminary school in Graz, Austria, an assistant to astronomer Tycho Brahe, the court mathematician to Emperor Rudolf II, a mathematics teacher in Linz, Austria, and an adviser to General Wallenstein. He also did fundamental work in the field of optics, invented an improved version of the refracting telescope (the Keplerian Telescope), and helped to legitimize the telescopic discoveries of his contemporary Galileo Galilei. Kepler lived in an era when there was no clear distinction between astronomy and astrology, but there was a strong division between astronomy (a branch of mathematics within the liberal arts) and physics (a branch of natural philosophy). • http://en.wikipedia.org/wiki/Johannes_Kepler .

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Added: 1299 days ago by deek

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Carl Sagan - 'A Glorious Dawn' ft Stephen Hawking (Cosmos Remixed)

My own musical tribute to two great men of science. Carl Sagan and his cosmologist companion Stephen Hawking present: A Glorious Dawn - Cosmos remixed. Almost all samples and footage taken from Carl Sagan's Cosmos and Stephen Hawking's Universe series. RIP Dr. Sagan, you will be missed!! Please, click HQ to watch in better quality. Go here to download the track: http://www.symphonyofscience.com And here for another scientist remix: http://www.youtube.com/watch?v=XGK84Poeynk And my website for more original music: http://www.colorpulsemusic.com/ Enjoy!! -John boswelj3@gmail.com Lyrics: [Sagan] If you wish to make an apple pie from scratch You must first invent the universe Space is filled with a network of wormholes You might emerge somewhere else in space Some when-else in time The sky calls to us If we do not destroy ourselves We will one day venture to the stars A still more glorious dawn awaits Not a sunrise, but a galaxy rise A morning filled with 400 billion suns The rising of the milky way The Cosmos is full beyond measure of elegant truths Of exquisite interrelationships Of the awesome machinery of nature I believe our future depends powerfully On how well we understand this cosmos In which we float like a mote of dust In the morning sky But the brain does much more than just recollect It inter-compares, it synthesizes, it analyzes it generates abstractions The simplest thought like the concept of the number one Has an elaborate logical underpinning The brain has its own language For testing the structure and consistency of the world [Hawking] For thousands of years People have wondered about the universe Did it stretch out forever Or was there a limit From the big bang to black holes From dark matter to a possible big crunch Our image of the universe today Is full of strange sounding ideas [Sagan} How lucky we are to live in this time The first moment in human history When we are in fact visiting other worlds The surface of the earth is the shore of the cosmic ocean Recently we've waded a little way out And the water seems inviting --------------------------------------- Watch Cosmos for free on Hulu: http://www.hulu.com/cosmos Carl Sagan's Mii Character #(for Wii): 6774-1898-8986

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Added: 1300 days ago by deek

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Stephen Hawking - We must colonize space in order to survive

Note: I edited this video, here is the full 10mins. Stephen Hawking: Asking big questions about the universe http://www.youtube.com/watch?v=xjBIsp8mS-c http://www.ted.com In keeping with the theme of TED2008, professor Stephen Hawking asks some Big Questions about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them. PLEASE SUBSCRIBE TO: http://www.youtube.com/user/TEDtalksDirector "Since, in the long run, every planetary civilization will be endangered by impacts from space, every surviving civilization is obliged to become spacefaring--not because of exploratory or romantic zeal, but for the most practical reason imaginable: staying alive... If our long-term survival is at stake, we have a basic responsibility to our species to venture to other worlds." Carl Sagan, Pale Blue Dot, 1994 "We need the stars... We need purpose! We need the image the Destiny [to take root among the stars] gives us of ourselves as a purposeful, growing species. We need to become the adult species that the Destiny can help us become! If we're to be anything other than smooth dinosaurs who evolve, specialize and die, we need the stars.... When we have no difficult, long-term purpose to strive toward, we fight each other. We destroy ourselves. We have these chaotic, apocalyptic periods of murderous craziness." Octavia Butler, Parable of the Talents, 1998 "I don't think the human race will survive the next thousand years, unless we spread into space. There are too many accidents that can befall life on a single planet. But I'm an optimist. We will reach out to the stars." Stephen Hawking, interview with Daily Telegraph, 2001 "The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!" Larry Niven, quoted by Arthur Clarke in interview at space.com, 2001 "In time, [a Martian] colony would grow to the point of being self- sustaining. When this stage was reached, humanity would have a precious insurance policy against catastrophe at home. During the next millennium there is a significant chance that civilization on Earth will be destroyed by an asteroid, a killer plague or a global war. A Martian colony could keep the flame of civilization and culture alive until Earth could be reverse- colonized from Mars." Paul Davies, The New York Times, 2004 "We must turn our guns away from each other and outwards, to defend the Earth, creating a global and in space network of sensors and telescopes to find asteroids that could destroy our planet and create the systems to stop them. It makes no sense to dream great dreams while waiting to be hit by a train." Buzz Aldrin and Rick Tumlinson, Ad Astra Online, 2006

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Added: 1300 days ago by deek

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Carl Sagan reads from Pale Blue Dot - Galileo

Galileo Galilei (15 February 1564 -- 8 January 1642) was an Italian physicist, mathematician, astronomer, and philosopher who is closely associated with the scientific revolution. His achievements include the first systematic studies of uniformly accelerated motion, improvements to the telescope, a variety of astronomical observations, and support for Copernicanism. Galileo's experiment-based work is a significant break from the abstract approach of Aristotle. Galileo is often referred to as the "father of modern astronomy", as the "father of modern physics", and as the "father of science". The motion of uniformly accelerated objects, treated in nearly all high school and introductory college physics courses, was studied by Galileo as the subject of kinematics.

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Added: 1306 days ago by adminn

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Earth - Pale Blue Dot - Carl Sagan

Nice video about about our small space vessel by Carl Sagan

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Added: 1637 days ago by odin

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