Communion Of Dreams


Bits & pieces.

A number of unrelated items which I thought I’d share …

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Astronomers Find Ancient Earth-Sized Planets in Our Galactic Backyard

Astronomers have announced what may be the most interesting exoplanet discovery yet made: five planets, all smaller than Earth, orbiting a very ancient star. And I do mean ancient: Its age is estimated to be more than 11 billion years old, far older than the Sun. These are old, old planets!

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Perhaps you see the problem. If planets like Earth formed 11 billion years ago, and happened to form at the right distance for more clement conditions on the surface, life could have arisen long enough ago and started building spaceships long before the Earth even formed! They’d have planted their flags on every Earth-sized habitable planet in the Milky Way by now.

Where are they?

Oh! Oh! I know! Pick me!!

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Thanks to all who helped spread the word about the 3rd anniversary promotion! It was a modest success, with a little shy of 200 books downloaded world-wide, including through the following Amazon portals:

  • Australia
  • Canada
  • France
  • Germany
  • India
  • Japan
  • Netherlands (for the first time!)
  • UK
  • US

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Via BoingBoing, turn your iPhone into a thermal imaging camera in just seconds:

Yeah, I mentioned using this kind of imaging tech in the current novel some time back.

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Speaking of tech predictions, this is the first step in the sort of thing I envisioned for the cyberware of Communion of Dreams:

Flexible spinal cord implants will let paralyzed people walk

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I mentioned earlier that evidently the Wikipedia elves are trying to decide whether to nuke my entry there. It seems that they’re still debating it. As I noted on the BBTI Facebook page a few days ago, in response to comment by a friend that it seems weird that BBTI is little more than a footnote in that entry:

It’s a fair point. I certainly am known much better around the world for being the driving force behind BBTI than I am for a fun little art stunt which was intended to happen and then fade from memory. I know that BBTI has had a much bigger and more lasting impact in the real world.

So, whether or not an entry about me should exist at all, if one does exist, shouldn’t it be more about my part in BBTI rather than as a “internet performance artist”? Hell, even my work as a book & document conservator has had a much larger real impact than ‘Paint the Moon’ did.

Just a thought, if anyone wants to do some editing …

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This doesn’t have anything to do with any of the books or anything I’ve predicted (that I can remember), but it is a pretty cool bit of astronomy:

Gigantic ring system around J1407b much larger, heavier than Saturn’s

Astronomers at the Leiden Observatory, The Netherlands, and the University of Rochester, USA, have discovered that the ring system that they see eclipse the very young Sun-like star J1407 is of enormous proportions, much larger and heavier than the ring system of Saturn. The ring system – the first of its kind to be found outside our solar system – was discovered in 2012 by a team led by Rochester’s Eric Mamajek.

 

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And here’s a useful video for anyone out there who may need to remove some rust from old equipment:

I knew that this could be done with electrolysis, but I didn’t realize that it was actually quite so simple. I am definitely going to set up to do this on a number of old tools and suchlike.

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A nice bit of space exploration history:

The Challenge of the Planets, Part Three: Gravity

 

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And I think I will leave it at that for now.

 

Jim Downey



And the sky, full of stars … *

I should have some interesting news to share in a couple of days. But for now, I thought I would share this amazing post from Phil Plait at Bad Astronomy:

Andromeda

Yesterday, I posted an amazing Hubble Space Telescope picture. I don’t think it’s too soon to post another shot from Hubble… and I think you’ll agree when you see it, especially after you get an understanding of what you’re seeing.

First, the eye candy: The magnificent Andromeda Galaxy, as seen by Hubble.

 

And as Plait notes, that’s the low-resolution image.

Go enjoy the article, and marvel at the images he has/links to. Seriously — it is worth your while, if you’re any kind of a space-geek at all.

 

Jim Downey

*With apologies to JMS.



Sights and insights.

A mix of little things, playing catch-up for the last couple of weeks …

Why catch-up? Well, this might explain why I took a break for a while there.

And we’re off …

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First thing, thanks to all who downloaded Communion of Dreams over the weekend, or helped to spread the word about it. There were a total of 693 downloads worldwide — and that includes various European portals, as well as Canada, India, and Japan! Pretty cool.

For those who have gotten the book, once you have a chance to read it please take a few moments to review it on Amazon or elsewhere – it really does help, and as I am finishing up writing St Cybi’s Well the feedback is most welcome.

Because, yeah:

1557496_654324411293554_1024650148_n

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A long, but quite good, read about the value of the ISS: 5,200 Days in Space

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And a fun bit of perspective from xkcd about getting there:

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Some great images from one of the sites I’ve mentioned here before: Pentre Ifan

Petre Ifan is a haunting burial stack that stands in a verdant Welsh field as one of the most complete and dramatic stone dolmens still found anywhere on the planet.

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Wow.

X-rays stream off the sun

Go see the full size image and explanation of the science. Worth it.

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An excellent read by an old and dear friend: There’s an App for That: Cancer in the Modern Age

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And another excellent read, all in all. But this paragraph is so painfully true:

“Writing is a strange and solitary activity. There are dispiriting times when you start working on the first few pages of a novel. Every day, you have the feeling you are on the wrong track. This creates a strong urge to go back and follow a different path. It is important not to give in to this urge, but to keep going. It is a little like driving a car at night, in winter, on ice, with zero visibility. You have no choice, you cannot go into reverse, you must keep going forward while telling yourself that all will be well when the road becomes more stable and the fog lifts.”

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Any others to add? The 10 Sci-Fi Films That Defined 2014

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Of course, reading is always better for you: Brain function ‘boosted for days after reading a novel’

See? I’m actually making you SMARTER! Keep that in mind when you write a review, will ya?

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And that’s enough for now. I need to get back to my “strange and solitary activity”.

 

Jim Downey



Duuun dun duuun dun …*

I can’t help but hear the Jaws theme when I read something like this:

But this is all great news for astronomers: KKs 3 is a relic, so isolated and old it probably hasn’t changed much in a long, long time. Studying it is like having a time machine to study the ancient Universe. And we think that, billions of years ago, collisions between small galaxies like KKs 3 are what built up much larger galaxies. We know that the Milky Way is currently eating a few other small galaxies, so we can study those events and compare them to what we see in KKs 3 to learn more about how this process may have occurred so far in the past.

There’s a thought for you — galaxies as living entities, with the big ones as predators hunting smaller ones …

400 downloads of Communion of Dreams so far this weekend! The Kindle edition remains free through today, if you know someone who might like to have it.

 

Jim Downey

*Credit here, though it has been pretty widely transcribed that way in the last 40 years.

 



It’s a matter of perspective.

Phil Plait has another in a long series of articles about a space rock that isn’t going to hit Earth. Seriously:

This is Part N of what is apparently an infinite series of “No, Asteroid XXX Is Not Going to Hit the Earth” posts.

I’m sure he’s right. I have no doubt that he’s right. The latest rock in question isn’t going to get any closer than about 5 million kilometers. Which, as Plait notes: “That’s a pretty wide margin, well over 10 times the distance to the Moon.”

But I think that the problem with this kind of thing is that most people just have no clue how great that distance actually is. Seriously. I remember reading that a series of studies were done where if you asked people what they thought of the relationship between the Earth and the Moon was in terms of distance, where the Earth was represented by a basketball and the Moon by a softball, they’d typically say that the distance between the two was about a foot. Some would say a yard. As in, 3 feet. Maybe they’d say a meter if they were feeling sciency.

Whereas the proportional distance would be more like 24′ in actuality. (Based on just memory, I originally said 18′. A friend who actually knows this stuff gave me the correct number – thanks, Brent!)

Space is big. Most people have no damned clue how big. So when you say that some fast-moving rock will pass by the Earth by as much as 10x the distance of the Earth to the Moon, they’ll get scared, thinking that it is going to be a hell of a lot closer than it actually is.

It’s all a matter of perspective, not science. Like most things.

Jim Downey

Edited to add: My friend Brent, who set me straight on the actual proportion above, added a comment on FB to note that if you have the distance of the Sun-Earth (one AU) set to one inch, then a full light-year would be right about a mile total distance. Which would put our nearest neighboring star at about 4.5 miles distance.

Yeah, space is BIG.



Two visions.

This wonderful vision of the human future has been making the rounds recently, and I had to share it:

Wanderers is a vision of humanity’s expansion into the Solar System, based on scientific ideas and concepts of what our future in space might look like, if it ever happens. The locations depicted in the film are digital recreations of actual places in the Solar System, built from real photos and map data where available.

A somewhat more … cautionary … vision of what the future could hold can be found in this:

The Chernobyl Nuclear Power Plant melted down in 1986, creating a 1,000-square-mile exclusion zone that has been almost completely devoid of human interference for decades. Now you can take a tour, courtesy of a camera-carrying drone.

 

Mutually exclusive? Apocalypse versus brave new worlds?

I think not. In fact, the Communion of Dreams/St Cybi’s Well ‘universe’ contains both. If I ever decide to write them, I have books set in the 2020s, about 15 years following the fire-flu pandemic, and in the 2030s in the Israeli colonies on the Moon. In the first the world will feel much like what’s seen in the Chernobyl exclusion zone. And in the second I’ve envisioned how the 1/6th Earth-normal gravity would allow for playing something very much like Quiddich on small personal flyers in large domed stadiums.

It’s important to remember that the future isn’t either/or. It’s even more important to remember that we will have a role in creating that future, for good or ill.

 

Jim Downey



Spinning wheels, got to go ’round.*

The reviews have been mixed, but one aspect of the new movie Interstellar is pretty cool: the rendering of the black hole depicted in the movie.  Even moreso since it is as scientifically accurate as possible, based on close collaboration with noted astrophysicist Kip Thorne:

Still, no one knew exactly what a black hole would look like until they actually built one. Light, temporarily trapped around the black hole, produced an unexpectedly complex fingerprint pattern near the black hole’s shadow. And the glowing accretion disk appeared above the black hole, below the black hole, and in front of it. “I never expected that,” Thorne says. “Eugénie just did the simulations and said, ‘Hey, this is what I got.’ It was just amazing.”

In the end, Nolan got elegant images that advance the story. Thorne got a movie that teaches a mass audience some real, accurate science. But he also got something he didn’t expect: a scientific discovery. “This is our observational data,” he says of the movie’s visualizations. “That’s the way nature behaves. Period.” Thorne says he can get at least two published articles out of it.

The video is remarkable. Seriously. Go watch it.

And in a nice bit of serendipity, there’s another fantastic bit of astrophysics in the news just now: actual images of planetary genesis from ALMA. Check it out:

A new image from ALMA, the Atacama Large Millimeter/submillimeter Array, reveals extraordinarily fine detail that has never been seen before in the planet-forming disc around a young star. ALMA’s new high-resolution capabilities were achieved by spacing the antennas up to 15 kilometers apart [1]. This new result represents an enormous step forward in the understanding of how protoplanetary discs develop and how planets form.

ALMA has obtained its most detailed image yet showing the structure of the disc around HL Tau [2], a million-year-old Sun-like star located approximately 450 light-years from Earth in the constellation of Taurus. The image exceeds all expectations and reveals a series of concentric and bright rings, separated by gaps.

 

That’s not computer-rendered theory. That’s an actual image, showing the formation of planets around this very young star.

Wow.

 

Jim Downey

*Naturally.




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