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Astronomy Buff

Archive for September 2007

September 30th, 2007

The DMK 21AF04.AS: A Great Planetary Imager

Or at least I think it will be, I just ordered one so it better be a good one.
Based on last month’s Sky and Telescope review of the DMK 21AF04.AS…
Ok, let me pause a minute and offer that these guys please hire a marketing person to name their products. How the hell am I […]

By Tony -- 1 comment

September 29th, 2007

Mars is Approaching Opposition

I know I’m a little early, but Mars is approaching opposition and will give us some of the best views of the planet we’re going to see for a while, and I want you guys ready.
Mars and Earth will be at their closest on December 18th, so we’ve got a while, but every day until […]

By Tony -- 3 comments

September 28th, 2007

String Theory: We’re Ahead of Ourselves

From Facing Up: Science and Its Cultural Adversaries by Steven Weinberg (aff. link):
Edward Witten has said that the reason we are having so much trouble doing superstring physics is that it is twenty-first century physics, which we accidentally discovered thirty years too early.
Oh. I though the reason we couldn’t do superstring physics was […]

By Tony -- 0 comments

September 27th, 2007

100 Billion: The Only Number You Need to Know About the Universe

My students and I have really been enjoying Sean’s Cosmology Course. Today’s lecture tied in the idea of a smooth, expanding universe with general relativity.
This lecture has been my favorite so far, there were a few moments in there where I not only learned some new things, but that sometimes I’ve been trying to […]

By Tony -- 3 comments

September 26th, 2007

Excellent Advice for Prospective Grad Students

As prospective grad student myself, I read with great interest Sean’s post offering advice on how to be a good one.
If I had to concentrate on a single useful piece of advice for grad students, it would be: Take the initiative. The deep truth of grad school is that the transition from undergrad to grad […]

By Tony -- 1 comment

September 24th, 2007

Not All Teachers Are Heroic

One of the things we like to do to make us feel better about the fact that good teachers aren’t paid what they’re worth and they have a crappy work environment is call them heroes.
Such platitudes make us feel a lot less guilty and more than a little relieved that we don’t have to do […]

By Tony -- 11 comments

September 21st, 2007

My New Mobile Observatory

Al Gore would not approve
Well, at least that’s how I’m justifying the purchase. I recently acquired this RV from a friend who just wanted to get rid of it. I had used it on road trips in the past (but that was when gas was $1.50 a gallon) and really enjoyed it.
I bought […]

By Tony -- 10 comments

September 20th, 2007

Carnival of Space: XPrize Edition

Henry Cate has the latest Carnival of Space on his WhyHomeschool blog.
The Carnival of Space is posted every week. Click here to contribute.

Technorati Tags: carnival of space, google xprize

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By Tony -- 2 comments

September 20th, 2007

Alas, Einstein Was No Failure in Math

How many of you grew up encouraged by the thought that Einstein was a poor student in math? While struggling through my math blocks, I often took solace in the thought that one of humanity’s greatest minds had a hard time also.
It isn’t true though, I’m currently reading Walter Isaacson’s biography of Einstein (aff. […]

By Tony -- 1 comment

September 19th, 2007

Using Sean Carroll’s Cosmology Course

Sean Carroll’s Cosmology Course from The Teaching Company
As many of you know, I’m homeschooling my son is 8th grade science this year and so far we’ve been having lots of fun discussing science topics and this week we’re beginning to do some projects.
Lately there has been a split among the students about where they want […]

By Tony -- 5 comments

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