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The Milky Way is our home. An island of stars in a universe of other galaxies. But you might be surprised to learn that astronomers have only known the Milky Way's true nature for just a century. Let's learn the history of discoveries about the Milky Way, and what today's science tells us. And let's peer into the future to learn the ultimate fate of our galaxy. No comments

Well with the introduction of wordpress for the iPod touch I guess we will see even more blog posts. Well as long as we have wi-fi and small thumbs.

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Hosts: Steve Gibson with Leo Laporte

Our regular mailbag episode with questions and comments from our listeners.

Audible pick: The Disappeared (Unabridged) By Kristine Kathryn Rusch. To sign up for a free audio book, visit AudiblePodcast.com/securitynow

For 16kpbs versions, transcripts, and notes (including fixes), visit Steve's site: grc.com, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.

Security Now is brought to you by Astaro Internet Security.

Bandwidth for Security Now! is provided by AOL Radio.

Running time: 1:28:16

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Last week we talked about galaxies in general, and hinted at the most violent and energetic ones out there: active galaxies. Quasars have been a mystery for half a century; what kind of object could throw out more radiation than an entire galaxy? A black hole, it turns out, with the mass of hundreds of millions of suns performs this feat. Let's trace back the history of quasars, how they were first discovered and puzzled astronomers for so long. And let's look at what we know today. No comments

Last week we talked about galaxies in general, and hinted at the most violent and energetic ones out there: active galaxies. Quasars have been a mystery for half a century; what kind of object could throw out more radiation than an entire galaxy? A black hole, it turns out, with the mass of hundreds of millions of suns performs this feat. Let's trace back the history of quasars, how they were first discovered and puzzled astronomers for so long. And let's look at what we know today. No comments

Last week we talked about galaxies in general, and hinted at the most violent and energetic ones out there: active galaxies. Quasars have been a mystery for half a century; what kind of object could throw out more radiation than an entire galaxy? A black hole, it turns out, with the mass of hundreds of millions of suns performs this feat. Let's trace back the history of quasars, how they were first discovered and puzzled astronomers for so long. And let's look at what we know today. No comments

Hosts: Steve Gibson with Leo Laporte

More on the privacy threat from the Phorm system.

Guest: Alexander Hanff, UK technologist and activist.

Audible pick of the week:
The Black Hole War: My Battle to Make the World Safe for Quantum Mechanics (Unabridged) by Leonard Susskind, Narrated by Ray Porter. To sign up for you free book, visit AudiblePodcast.com/securitynow.

For 16kpbs versions, transcripts, and notes (including fixes), visit Steve's site: grc.com, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.

Security Now is brought to you by Astaro Internet Security.

Bandwidth for Security Now! is provided by AOL Radio.

Running time: 1:01:49

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This week we're going to look at some of the biggest objects in the Universe: galaxies. It was the discovery of galaxies in the early 20th century that helped astronomers realize just how big the Universe is, and how far away everything is. Let's learn how galaxies formed and how they evolve and change over time, merging with the neighbors. And what the future holds. No comments