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Wednesday, October 10, 2012

13.7: Cosmos And Culture

On Faith And Science: An Idealized Dialogue

In this Gustave Dore engraving from Milton's Paradise Lost, Satan, the Fallen Angel, is flung from Heaven and nears the confines of the Earth on his way to Hell.

October 10, 2012 In this idealized dialogue between faith and science, some of the most entrenched reasons for the common split are explored. Science insists in the reality of things, faith doesn't. Science measures, faith believes. How to deal with the origin of the universe?

Summary

Wednesday, September 26, 2012

13.7: Cosmos And Culture

Looking For Answers Beyond The Cosmic Horizon

This spectacular image of the large spiral galaxy NGC 1232 was obtained by the European Southern Observatory's Very Large Telescope (VLT) in 1998. NGC 1232 sits in the constellation Eridanus (The River) at a distance of about 100 million light-years and is about twice the size of the Milky Way galaxy.

September 26, 2012 The notion that the Big Bang is like an exploding bomb is completely wrong. But what, then, lies beyond the edge of space? Can we ever know whether the Universe is infinite?

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Wednesday, September 19, 2012

13.7: Cosmos And Culture

Does The Multiverse Make Sense?

A portal to another universe? No, just the Trifid Nebula, a massive star factory. This amazing image was captured by the European Southern Observatory's La Silla facility in northern Chile.

September 19, 2012 The multiverse is supposed to be the mother of our Universe, and a multitude of others. But can we ever be sure of its existence? And if we can't, is this science?

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Tuesday, September 11, 2012

13.7: Cosmos And Culture

Science, Solace And Hope

Newborn stars, hidden behind thick dust, are revealed in this image of a section of the Christmas Tree Cluster from NASA's Spitzer Space Telescope.
 Star-forming clouds like this one are dynamic and evolving structures. Since the stars trace the straight line pattern of spokes of a wheel, scientists believe that these are newborn stars — or "protostars" — about 100,000 years old.

September 11, 2012 In images of a universe much larger than the scale of human malice there is a freedom we can always return to for at least a few breaths.

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Monday, September 10, 2012

13.7: Cosmos And Culture

The Hard Life Of Small Planets

September 10, 2012 New results from research by the University of Maryland and the Tokyo Institute of Tecnnology indicate that our solar system may, in fact, be quite unusual.

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Tuesday, July 10, 2012

13.7: Cosmos And Culture

Talking To Aliens From Outer Space

Is anyone out there, listening?

July 10, 2012 Have we heard from ET? Even if we did, that doesn't tell us anything about UFOs. Still, it can't hurt to try and talk to them, right? Commentator Adam Frank share his message for beings from beyond our Earth.

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Tuesday, July 03, 2012

13.7: Cosmos And Culture

Life, Cosmos, Books And Love

July 3, 2012 Two videos with lessons on our collective history and the meaning of life.

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Tuesday, June 19, 2012

13.7: Cosmos And Culture

Stars, Planets And The Meaningless Life

Other planets are out there, many other planets.

June 19, 2012 For that one moment all the meaning and concern I schlep from one day to the next just evaporated before my small place in this very big galaxy.

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Tuesday, June 12, 2012

13.7: Cosmos And Culture

Maureen Dowd Fears The Cosmos, Should You?

An artist's impression of a gamma-ray burst, a powerful jet of energy lasting from less than a second to several minutes. The most powerful events in the universe, they are thought to be mostly associated with the explosion of stars that collapse into black holes.

June 12, 2012 The sky is really, really scary. It's full of explosions, collisions and deadly cosmic rays. It's full of good reasons to develop a healthy dose of existential dread, something NYT columnist Maureen Dowd can relate to.

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Saturday, April 21, 2012

13.7: Cosmos And Culture

Dark Matter Study: A Disturbance In The Force?

The Milky Way galaxy: the blue halo of material surrounding the galaxy indicates the expected distribution of the mysterious dark matter. The blue sphere centered on the Sun's position shows the approximate size of the newly surveyed volume, but not its precise shape.

April 21, 2012 A survey of the sky fails to find signs of Dark Matter, a totally unexpected result. If the observations stand up to scrutiny, our understanding of the universe could shift significantly.

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Tuesday, March 20, 2012

13.7: Cosmos And Culture

Dark Energy And The Joy Of Being Wrong

A diagram illustrating the expansion of the universe over 13.7 billion years.

March 20, 2012 It wasn't long ago that we thought expansion of the universe was slowing down. Whoops! Science then identified Dark Energy as a force acting against deceleration. The discovery upended cosmology almost overnight.

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Tuesday, March 13, 2012

13.7: Cosmos And Culture

Science Follows A Dark Path As It Tries To Explain The Observed Universe

 This image of the galaxy cluster Abell 520 — 2.4 billion light-years away — may challenge some of our basic theories about Dark Matter. It is overlaid with false-color maps showing concentrations of starlight (orange), hot gas (green) and mass (blue). The mass is mostly Dark Matter.

March 13, 2012 The things we can see in the universe are moving faster than they should be. Why? Is the answer Dark Matter, or a physics we're not yet aware of? Science has made its choice. Only time will tell if the consensus was correct.

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Tuesday, March 06, 2012

13.7: Cosmos And Culture

Dark Matter, Dark Energy And The Shadow Universe

Data from the Wilkinson Microwave Anisotropy Probe (WMAP) shows that most of the universe is made up of Dark Energy, supplemented with some Dark Matter and a dollop of atoms.

March 6, 2012 Left to its own devices it seems the "dark universe" would never be able to make something as remarkable as life. Now that is something to ponder. Perhaps the dark universe makes us matter more than we ever realized.

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Sunday, March 04, 2012

13.7: Cosmos And Culture

The Exquisite Tilt Of A Spiral Galaxy

March 4, 2012 The exquisite warp seen here is likely caused by interactions with other galaxies. Collisions or "harassment" between galaxies is quite common and may be the most important process shaping galactic evolution.

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Wednesday, January 11, 2012

13.7: Cosmos And Culture

What Happened Before The Big Bang? And Other Weird Cosmic Questions

Spiral galaxy NGC 3190 as seen by the European Southern Observatory's Very Large Telescope.

January 11, 2012 Did time start with the big bang? What's outside the universe? Here are answers to these and other questions you always wanted to ask about the universe.

Summary

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