TheSpacewriter

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These pages chronicle the work and ruminations of Carolyn Collins Petersen, also known as TheSpacewriter.

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I am CEO of Loch Ness Productions. I am also a producer for Astrocast.TV, an online magazine about astronomy and space science.

For the past few years, I've also been a voice actor, appearing in a variety of productions. You can see and hear samples of my work by clicking on the "Voice-Overs, Videos and 'Casts tab.

My blog, TheSpacewriter's Ramblings, is about astronomy, space science, and other sciences.


Ideas and opinions expressed here do not represent those of my employer or of any other organization to which I am affiliated. They're mine.

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Visit my main site at: TheSpacewriter.com.

**I encourage comments and discussion; please keep it polite and respectful. I do moderate them to weed out spam, but I also refuse to post any messages that contain harassing, demeaning, rude, or profane language. I run a respectable establishment here.

Contact me for writing and voice-over projects at: cc(dot)petersen(at)gmail(dot)com

I Twitter as Spacewriter

Blog entry posting times are U.S. Mountain Time (GMT-6:00) All postings Copyright 2003-2011 C.C. Petersen

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We’re in Yer Data, Dude



September 27, 2007 at 13:16 pm | Leave a Comment

Lookin’ fer Pulsars!

Pulsars are spinning neutron stars (Image by Bill Saxton, NRAO/AUI/NSF)

Pulsars are spinning neutron stars (Image by Bill Saxton, NRAO/AUI/NSF)

Pulsars are big, nasty, radio-noisy beasts in the cosmic zoo. They are what’s left over after a massive star (say one that is at least eight times more massive than the Sun) explodes as a supernova. Some of the star’s body (what hasn’t been blasted out to space) falls back in on itself in a seething mass of crushed neutrons. They’re superdense and they spin. As they whip around many times per second, they send out beams of radio waves that sweep across our field of view like the light from a lighthouse. We catch their beams as pulses of radio waves; hence the name “pulsar.”

A group of astronomers who study these strange stellar animals has put together a project for high school students and their teachers to participate in searching out pulsars in our galaxy. The students and educators will join astronomers on the cutting edge of science under a program to be operated by the National Radio Astronomy Observatory (NRAO) and West Virginia University (WVU), and funded by the National Science Foundation (NSF). The program, called the Pulsar Search Collaboratory, will engage West Virginia students and teachers in a massive search for new pulsars using data from the Robert C. Byrd Green Bank Telescope (GBT).The GBT has discovered more than 60 pulsars over the past five years, including the fastest-rotating pulsar ever found, a speedster spinning 716 times per second.

Student teams will receive parcels of data from the GBT and analyze the data to discover pulsars. To do this, they’ll learn to use analysis software and recognize radio interference from Earth-based technologies that can contaminate the data. Each portion of the data will be analyzed by multiple teams. Of the 1,500 hours of GBT observing data in the project, all taken during the summer of 2007, some 300 hours is reserved for analysis by the student teams. This reserved data set is expected to include tens of new pulsars and about 100 known pulsars. It’s highly possible that each student in the project could discover one of these cosmic beasts for themselves. Think of how THAT will look on a college application form!






We’re Made of Stuff



September 22, 2007 at 23:36 pm | 1 Comment

…Really COOL Stuff… from Stars

In the Star Trek: The Next Generation episode called “Home Soil,” the crew of the starship Enterprise run into a life form that, when they finally figure out a way to communicate with it, calls the humans “ugly bags of mostly water.” It’s a great line, but it’s also true: we ARE mostly water.

In fact, if you break down the elements in our bodies by how much there is of each one, you get this list:

  • 65% oxygen
  • 18% carbon
  • 10% hydrogen
  • 3% nitrogen
  • 1.5% calcium
  • 1.0% phosphorus
  • 0.35% potassium
  • 0.25% sulfur
  • 0.15% sodium
  • 0.05% magnesium
  • A mix of copper, selenium, fluorine, chlorine, molybdenum, iodine, cobalt, manganese, and iron that comes to about 0.70%
  • Another mix of lithium, strontium, aluminum, silicon, lead, vanadium, arsenic, bromine that are in very small trace amounts

So, we ARE mostly water, when you combine the oxygen and hydrogen to make H20. Our skin, organs, muscles, bones, and nerves basically give the water a place to hang out. Now, the interesting thing is that, aside from the hydrogen, the rest of the stuff all comes from stars. Some of those elements are cooked up inside stars like the Sun. Others come from stars that exploded as supernovae. Each of those kinds of stars spent a long time converting fuel to heat, and in their old age, they blew off clouds of material that included these elements.

The late astronomer Carl Sagan coined the phrase “We are star stuff” to explain how we came from the stars, albeit in a very long, long birth process. A bunch of stars had to live and die in order to make the “stuff” that is in our bodies, that makes up our planet, and even our Sun. It’s great stuff, this starstuff!






More First Steps to Space



September 20, 2007 at 10:11 am | Leave a Comment

By Offering Prizes to Meet a Challenge

So, will the next steps on the Moon be taken in order to win a $30 million X-prize? If Google has its way, it will. They’re offering that much money to whoever gets the first privately funded robotic rover on the Moon by the year 2012. It’s a great prize, although it probably won’t cover the actual costs of the rover. It almost really doesn’t matter if it does, though. It’s the spirit of the thing that really counts. That a foundation and a company would be willing to put their money with their mouth is speaks volumes about their commitment to moving humans ahead to explore the near-Earth environment. And, to do that, some radical moves need to be taken, both in funding and incentives as well as in the actual technology to do the job. In the history of technology, sometimes really good solutions have come about because of competition and pressure to do a job well. And, as we know from the history of space travel so far, the spinoffs benefit education, medicine, and many technologies we take for granted in our daily lives.

Earth from the Moon (NASA)

Earth from the Moon (NASA)

The X-Prize foundation doesn’t just fund competitions for space travel, although their first big one, the Ansari Prize to prove that personal, affordable space flight is achievable. It went to Spaceship One and Mojave Aerospace Ventures, led by Burt Rutan and Paul Allen. It was a private team and they achieved a major breakthrough in space travel. If you go to the X-Prize Foundation’s web site you’ll find X-Prizes for a variety of other challenges: genomics and automotive breakthroughs, to name a couple. You can even suggest an X-Prize challenge, something breaktaking, audacious, and visionary. That’s what it takes: an idea and a chance to push it through. Sort of like going to the Moon with a lunar buggy.
There it is—let’s go!






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This blog a wholly pwnd subsidiary of Carolyn Collins Petersen, a.k.a. TheSpacewriter.
Copyright 2013, Carolyn Collins Petersen
Inama Nushif!
Image of Horsehead Nebula: T.A.Rector (NOAO/AURA/NSF) and Hubble Heritage Team (STScI/AURA/NASA)

“It is by Coffee alone I set my day in motion. It is by the juice of bean that coffee acquires depth, the tongue acquires taste, the taste awakens the body. It is by Coffee alone I set my day in motion.”

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