Year: 2016

A frozen underground ocean on Charon?

8:49 pm

Data from New Horizons of the surface of Pluto’s moon Charon now suggests that the satellite once had an underground ocean that is now frozen.

Charon’s outer layer is primarily water ice. When the moon was young this layer was warmed by the decay of radioactive elements, as well as Charon’s own internal heat of formation. Scientists say Charon could have been warm enough to cause the water ice to melt deep down, creating a subsurface ocean. But as Charon cooled over time, this ocean would have frozen and expanded (as happens when water freezes), pushing the surface outward and producing the massive chasms we see today.

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Apollo 11 First Stage liftoff in Ultra Slow Motion

6:01 pm

An evening pause: This footage was taken on July 16, 1969 at 500 frames per second, and shows only what happened at the base of the launch tower as the engines of the Saturn 5 rocket ignited and lifted the rocket into the air. Though the video is more than 8 minutes long, the actual events recorded lasted only about 30 seconds, beginning 5 seconds before T minus 0.

What struck me most as I watched this was the incredible amount of complex engineering that went into every single small detail of the rocket and the launch tower and launchpad. We tend to take for granted the difficulty of rocket engineering. This video will make you appreciate it again.

It is also mesmerizing. A lot happens in a very short period of time.

Hat tip Kyle Kooy.

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India okays its own LIGO detector

4:32 pm

The Indian government today approved construction of LIGO-India, using some duplicate components already available from the American LIGO gravitational wave detector.

“We have built an exact copy of that instrument that can be used in the LIGO-India Observatory,” says David Shoemaker, leader of the Advanced LIGO Project and director of the MIT LIGO Lab, “ensuring that the new detector can both quickly come up to speed and match the U.S. detector performance.” LIGO will provide Indian researchers with the components and training to build and run the new Advanced LIGO detector, which will then be operated by the Indian team.

What this new instrument will accomplish is to give astronomers more information when a gravitational wave rolls past the Earth. By having detectors half a world apart, they will be able to better triangulate the direction the wave came from, which in turn will help astronomers eventually pinpoint its source event.

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Hubble measures the rotation of an exoplanet

3:03 pm

Worlds without end: Using the Hubble Space Telescope astronomers have measured the daily rotation of a super Jupiter exoplanet 170 light years away.

They estimate, based upon brightness variations attributed to clouds in the upper atmosphere, that the rotation rate is about 10 hours long. We should all recognize however the significant uncertainty of this number. Clouds change, as do weather conditions. The data only gives us a hint at what is going on here.

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Bureaucrats fight over the regulation of commercial space

9:37 am

Battle of bureaucrats: The FAA’s office that regulates commercial space (AST) and the National Transportation Safety Boad (NTSB) are fighting over the procedures AST should use to control and manage the work of private space companies.

The issues deal with how the FAA inspects the work of space companies, prompted by the NTSB’s investigation into the Virgin Galactic SpaceShipTwo crash in 2014. The kerfuffle also illustrates the absurdity of the regulatory responsibilities that Congress forced on AST when it amended the commercial space act in 2004. Somehow it is expected that bureaucrats in Washington will know better how to make sure a private company’s new space designs are safe than the very engineers who are building them. The disagreement here is merely about how the bureaucrats keep watch. The NTSB wants AST’s bureaucrats to hover over them like a worried mother. AST wants to hover from a little farther away, like a proud father.

In either case, the hovering will accomplish little to make the cutting edge engineering more safe except create fake jobs in the government for hovering bureaucrats, while squelching risky innovation since such risks go against the instincts of every bureaucrat.

Though Congress has recently revised the law to ease its regulations, they didn’t really do much to remove them. Expect these kerfuffles to get bigger in the coming years as the Washington bureaucracy moves to impose its will on this industry while simultaneously manipulating the press and Congress to create more useless jobs for themselves.

If they succeed, we should also expect them to succeed in making innovative commercial development in space become increasingly impossible.

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Harper Collins bans a sci-fi book because it isn’t sufficiently liberal

4:29 pm

Fascists: A science fiction author had his book removed from the publication schedule, effectively banning it, because his editor didn’t like the conservative leanings of one chapter.

[A]pparently advancing the thought that a brand new life form might see us, humanity, as dangerous because we terminate our young, apparently… that’s a ThoughtCrime most heinous over at Harper Collins. Even for one tiny little chapter.

Here’s what happened next. I was not given notes as writers are typically given during the editorial process. I was told by my agent that my editor was upset and “deeply offended” that I had even dared advanced this idea. As though I had no right to have such a thought or even game the idea within a science fiction universe. I was immediately removed from the publication schedule which as far as I know is odd and unprecedented, especially for an author who has had both critical and commercial success. This, being removed from the production schedule, happened before my agent had even communicated the editor’s demand that I immediately change the offending chapter to something more “socially” (read “progressive”) acceptable. That seemed odd. How could they possibly have known that I would or would not change it? It seems reasonable to ask first. … They merely demanded that I rewrite that chapter not because it was poorly written, or, not supportive of the arc of the novel. No, they demanded it be struck from the record because they hate the idea I’d advanced. They demanded it be deleted without discussion. They felt it was for… the “greater good.” That is censorship, and a violation of everyone’s right to free speech. They demanded it be so or else… I wouldn’t be published. That’s how they threatened a writer with a signed contract.

He refused, and has made his book available by publishing it himself as an ebook. Go and buy it!

I should note that his experience matches exactly with my own experience as a nonfiction writer as well as with other authors I have known in the past two decades. Book editors have become exceedingly oppressive, and now routinely demand that your work conform to their political beliefs (always liberal) or they will make your life hell, or get the book squelched.

It is this reason I now focus my writing on BtB, as I grew really really tired in the past five years having book proposal after book proposal blacklisted because editors were offended I did not kowtow to their left wing orthodoxies.

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Ukraine’s aerospace industry in collapse

9:39 am

The Russian government’s takeover of its entire aerospace industry, plus its war in the Ukraine, has caused an 80% crash in Ukraine’s aerospace industry.

The two largest enterprises are the Yuzhnoye Design Bureau and the PA Yuzhmash manufacturing company, which work closely together on Ukrainian launch vehicles. Yuzhmash produces the first stages of the Zenit and Antares boosters and a fourth stage for Europe’s Vega launch vehicle. The company is also involved in the conversion of retired ballistic missiles into Dnepr satellite launchers as part of a joint program with Russia.

However, Russia is phasing out use of the Zenit and Dnepr launchers. Russia is shifting over to using Angara and Soyuz-2.1v, newer rockets the nation produces domestically. Russia is also switching to domestic manufacturers for space components to reduce their dependence on foreign suppliers.

This destruction by Russia of its neighbor’s aerospace industry doesn’t necessarily bode well for Russia’s own aerospace industry. Consolidated as it is into one giant entity, with no competition, it is very likely it will not produce much that is very innovative or creative at a reasonable cost. Russia was better off with the competition.

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