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Posts Tagged ‘astronomy’

“If you wish to make an apple pie from scratch…

October 15th, 2009 Jumile 2 comments

…you must first invent the universe.” -Carl Sagan

The time between posts here is an unfortunate side-effect of having to study like mad for the archaeology course I’m doing that is rapidly coming to an end, and numerous projects I’m either doing or starting. Never enough time in the day — particularly when you have to work a day job and maintain a social life, too.

And I’m trying not to just fill the posts with random gibberish or “cool stuff wot I found on the internets” — unless you’re okay with that? (Seriously, please let me know).

So, doing just that I thought I’d take a moment to post something to do with my hero, Carl Sagan. YouTube is a wonderful medium not only for the inevitable popular (and normally copyright-infringing) snippets from popular films and TV shows, but also for historical pieces that are hard to get and for mashups and other creative exercises.

And this is one of the latter — a brilliant homage to Carl Sagan featuring none other than his brilliant British counterpart, Stephen W. Hawking:

Carl Sagan – A Glorious Dawn (feat. Stephen Hawking)

It’s just amazing, isn’t it? Maybe I’m just a big girl’s blouse, but I’m not ashamed to admit it brought a tear to my eye.

I can only convey my appreciation to the tribute’s creator, melodysheep, and recommend that you check  out his website, Colorpulse.

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Categories: art Tags: , , , ,

The fundagelical problem with humanism

July 8th, 2009 Jumile 15 comments

While reading a friend’s blog post in which he puts down some thoughts about recent events and the subsequent comments from his readers, I was struck by one comment in particular which was a comment to a comment, so to speak. Here is the relevant snippet from Mark’s comment:

Humanist and Utilitarian beliefs existed long before religion and will continue to exist long after religion has disappeared into the annals of ancient history. One does not need a fairy godmother to understand right and wrong.

It’s a perfectly logical comment, as the basic tenets of humanism are universal to the wellbeing of a group or society, and obeisance to or existence of a higher power isn’t a prerequisite (e.g. I love my parents and a god does not need to exist to enable that).

The comment that intrigued me also confused me a little. I’d rather not simply copy and paste it here as it would then be out of context, so here is the link to the comment for you to read in situ.

It appears to me that the commenter considers Humanism to be a world view devoid of morals and values, and quotes from the American Humanist Association‘s Humanist Manifesto II, written in 1973 (the most recent is the Humanist Manifesto III, written in 2003), choosing to combine parts of the 3rd Principle (Ethics) and 6th Principle (The Individual) as follows:

Happiness and the creative realization of human needs and desires, individually and in shared enjoyment, are continuous themes of humanism… individuals should be permitted to express their sexual proclivities and pursue their lifestyles as they desire.

I presume the intent of this is to justify the commenter’s assertion that Humanism is devoid of morals and values, as at face value and out of context this quote may suggest that it is hedonistic and perverted, existing to encourage lascivious behaviour and baser expressions of human activities. I believe the Daily Mail are always looking for journalists…

To provide their proper context, here are these two principles in their entirety (emphasis mine):

THIRD: We affirm that moral values derive their source from human experience. Ethics is autonomous and situational needing no theological or ideological sanction. Ethics stems from human need and interest. To deny this distorts the whole basis of life. Human life has meaning because we create and develop our futures. Happiness and the creative realization of human needs and desires, individually and in shared enjoyment, are continuous themes of humanism. We strive for the good life, here and now. The goal is to pursue life’s enrichment despite debasing forces of vulgarization, commercialization, and dehumanization.

SIXTH: In the area of sexuality, we believe that intolerant attitudes, often cultivated by orthodox religions and puritanical cultures, unduly repress sexual conduct. The right to birth control, abortion, and divorce should be recognized. While we do not approve of exploitive, denigrating forms of sexual expression, neither do we wish to prohibit, by law or social sanction, sexual behavior between consenting adults. The many varieties of sexual exploration should not in themselves be considered “evil.” Without countenancing mindless permissiveness or unbridled promiscuity, a civilized society should be a tolerant one. Short of harming others or compelling them to do likewise, individuals should be permitted to express their sexual proclivities and pursue their lifestyles as they desire. We wish to cultivate the development of a responsible attitude toward sexuality, in which humans are not exploited as sexual objects, and in which intimacy, sensitivity, respect, and honesty in interpersonal relations are encouraged. Moral education for children and adults is an important way of developing awareness and sexual maturity.

As can be seen, when taken in context the 3rd Principle is explaining that morals, values and ethics are based upon self-evidential experience (students of American history should be familiar with the idea of self-evidence, if not the phrase itself) and free from absolutism or dogmatic interpretation. That we know without doubt that we have this life now, but anything beyond that is uncertain and unproven, so to form an ethical framework around words written by men and adhering to them unquestioningly is foolish. And the 6th Principle is explaining sexuality and the universal sexual rights of human beings, again without unquestioning adherence to a framework or dogma.

That this Manifesto has seen four versions shows that Humanism is like science — it adjusts, revises and corrects as necessary. Nothing is absolute. And that frightens the living daylights out of many believers and conservative people.

Unfortunately for them, life and the universe is uncertain, relative and without absolutes. Those responsible for tracking objects from the Kuiper Belt and beyond may tomorrow detect an object on a collision course with earth with an ETA of 2 weeks and after which it’s All Over (if it happens, we won’t get much notice), the leader of a nuclear power may lose the plot and push The Button throwing us all into a nuclear winter, or any number of end-of-the-world scenarios.

Once you understand that not only do you not matter, that your country doesn’t matter, that this planet doesn’t matter to the universe, then you will have some insight into the marvellous thing that is life. Someone once said that before he was born he was a long time dead and after he dies he’ll be a long time dead, so he makes the most of this blink of an eye in which we’re born, grow, live, grow old and die. It also shows why Humanists have such a thirst for life, and why things such as the AHA’s Humanist Manifesto are so necessary.

Whether a god or gods exist is immaterial — and there are logical refutations and arguments that can be used to illustrate why such existence is unlikely at best — as that is not the issue here. There is nothing in human existence to suggest that any of the millions of religious texts on this world weren’t either written by men seeking power or a genuine, primitive attempt to understand the wonders and horrors of the world: fire, lightning, weather systems, the joy of sex, the birth of a child, the death of a mother during childbirth, the untimely diseased death of a child, a volcano burying a city.

We’re born into a world where people with an imaginary friend’s supposed writing dictates not only the way they live their lives but they mandate the same behaviour on to everybody else. What if you’re wrong? Have you considered that possibility seriously for just 5 minutes? I mean really seriously, without falling prey to the inevitable Argument from Incredulity or Argument from Popularity within 30 seconds and snorting your derision. And then extend that and ask how it can possibly be right for your values (immaterial of whether they’re correct or not) to be forced upon others — upon entire nations.

We’re a race that have flown to the Moon, we’ve fired things we’ve made to the very edge of the known Solar System, we’ve worked out empirically the age and size of the universe as we’re able to see it today, and we’ve sequenced our own genetic code and are in the process of decoding half a billion years of post-Cambrian development

And to this day we’re going to war for the same reasons with the same Books that we did back in the Bronze Age. Now tell me again why religion is good but Humanism is bad?

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Equatorial delight

July 3rd, 2009 Jumile Comments off

After looking again through the boxes that my new tripod/mount came in, I stupidly realised that I actually had all the parts. That tricky foam packing with its little nooks and crannies!

So naturally I put the whole thing together and stood back to admire it sturdy heftiness, before remembering that I had a Baader solar filter I still hadn’t tried and astronomical sunset doesn’t occur until almost 21:30 local. Seemed like a good opportunity for a twofer, so I attached my 5″ OTA for the first time and took the it outside onto the front porch, where the sun was still well above my local horizon.

Never Look At The Sun

Attaching the solar filter was easy. It slid over the end where the dust cap goes, preventing unfiltered sunlight from entering the OTA, and fastens with 3 grub screws to ensure it doesn’t come loose. After I had done this I looked into the eyepiece socket (without an eyepiece) and pointed the scope at the sun until the view became brilliant, then attached the 25mm wide angle eyepiece and was rewarded with a lovely off-white image of the entire sun in the field of view. I tried the other eyepieces, though didn’t bother with the 2X Barlow, and used the fine-adjustment RA/Dec knobs on the mount to scan the edge and surface of the sun.

Unfortunately, the surface of the sun wasn’t particularly interesting because:

  • We’re in the sun’s 11 year solar minima cycle — and this cycle is particularly deep and quiescent — so there aren’t many sunspots to be seen.
  • Correspondingly, there isn’t a great deal of solar flare activity to be seen. Which is good news for the astronauts in low earth orbit.
  • The wavelengths of light seen via a solar filter provide a white image with little contrast. This can be addressed with an appropriate filter… that I don’t currently have.

What I did see was the sun up close and safely (that in itself is noteworthy) and I did see its boiling surface, particularly at the edge. Some of it would have been due to earth’s atmosphere, but there was enough there to make it enjoyable.

So the next immediate challenges are to learn how to use the equatorial mount correctly (despite inheriting an inexpensive one when I was a teenager, I never learned how to set it up properly), including the formidable setting circles, and to make the most of the plentiful summer sunlight by getting a filter that will enable more detail to be seen.

This is fun!

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