Year: 2017

Exoplanet hotter than some stars

1:50 pm

Astronomers have identified an Jupiter-sized exoplanet with a surface that is apparently hotter than the surfaces of some stars.

With a day-side temperature of 4,600 Kelvin (more than 7,800 degrees Fahrenheit), planet KELT-9b is hotter than most stars, and only 1,200 Kelvin (about 2,000 degrees Fahrenheit) cooler than our own sun…. For instance, it’s a gas giant 2.8 times more massive than Jupiter but only half as dense, because the extreme radiation from its host star has caused its atmosphere to puff up like a balloon. And because it is tidally locked to its star—as the Moon is to Earth—the day side of the planet is perpetually bombarded by stellar radiation, and as a result is so hot that molecules such as water, carbon dioxide, and methane can’t form there. The properties of the night side are still mysterious—molecules may be able to form there, but probably only temporarily.

The most interesting aspect of this discovery is that it was done with small, inexpensive ground-based telescopes.

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More near Earth objects found by WISE

12:05 pm

NASA’s Wide-Field Infrared Explorer (WISE) has released its third year of survey data, including the discovery of 97 previously unknown objects.

Of those, 28 were near-Earth objects, 64 were main belt asteroids and five were comets. The spacecraft has now characterized a total of 693 near-Earth objects since the mission was re-started in December 2013.

For reasons that baffle me, NASA added “Near-Earth Object” to the telescope’s name when they restarted the mission, making its official name now NEOWISE.

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NASA considering using used first stages for Dragon cargo launches

11:15 am

Capitalism in space: With SpaceX’s successful launch on June 3 of a used Dragon cargo capsule to ISS, NASA is now considering using used Falcon 9 first stages for later cargo missions.

“That question has been posed,” Ven Feng, manager of the ISS Transportation Integration Office at NASA’s Johnson Space Center in Houston, said during a post-launch press conference Saturday. “We are looking at it,” he added. “We’re evaluating every aspect of it very carefully, and there is no schedule yet when we might go down that path.”

NASA officials made the same kind of cautious statements several years ago when SpaceX proposed flying a used Dragon capsule. In other words, they are going to do it, it just takes the bureaucracy time to mull the idea over and finally accept it.

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Turkish company announces plans to build commercial rocket

11:09 am

Capitalism in space: A Turkish company, Roketsan, has announced its plans to build a rocket capable of launching both commercial and Turkish government satellites.

A Rocketsan press release that came out right before the Turkish International Defence Industry Fair held May 9-12, 2017, revealed the company’s plan to develop an independently funded satellite launch vehicle (SLV). The SLV will be Turkey’s first domestically produced rocket and it will be capable of launching low-Earth-orbiting satellites to an altitude of 500–700 km.

The SLV development is still in the conceptual design phase, but is planned to have a liquid propulsion system and falls in line with the SLS project. The SLS project involves a three-fold plan, the first step of which is to develop an SLV for the Turkish government.

Even though the SLV development is a fully private venture by Rocketsan, it will be Turkey’s own vehicle to use for government missions. That being said, the SLS project has much bigger and ambitious goals that require two additional phases. The next steps of the project will be the establishment of both a Satellite Launch Centre and Remote Earth Stations.

There is a video animation at the link showing the launch of their imagined rocket. It is worth watching because its almost cartoon quality indicates how far they probably have to travel to make this project happen.

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Proton rolled to launchpad for June 8 launch

11:01 am

After a pause in launches lasting one day short of a full year, Russia has rolled its Proton rocket to the launchpad for a hoped-for June 8 launch of a commercial communications satellite.

The article provides a nice overview of Russia’s struggles during the past year, attempting to track down the reasons why their rockets were having problems (corruption at the rocket engine factory) and their repeated attempts to get this rocket off the ground.

They hope, if all goes well, to complete seven Proton launches through the end of 2017 in order to clean up their backlog while also demonstrating that they have solved their quality control problems.

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India successfully launches its first GSLV Mark 3 rocket

8:59 am

India today successfully launched its most powerful rocket, the GSLV Mark 3, for the first time.

The first orbital launch of India’s Geosynchronous Satellite Launch Vehicle Mark III (GSLV Mk.III) marked a milestone in India’s space program, with the more powerful rocket allowing the Indian Space Research Organisation (ISRO) to begin launching heavier payloads aboard its own vehicles – both for spaceflight applications such as communications and in support of the country’s nascent manned space program.

Monday’s launch came two and a half years after the GSLV Mark III’s maiden flight, a successful suborbital test for which only the rocket’s lower stages were live. The test flight, conducted on 18 December 2014, carried a prototype crew capsule and also served to validate the rocket’s design and demonstrate the stage performance and operation of the rocket’s solid-fuel first stage and liquid-fuelled second stage.

This is India’s third launch this year, which amazingly ties them at this moment with Russia. This will change, as Russia hopes to resume Proton launches this week, but the fact both speaks well of India’s growing success in space and Russia’s continuing problems.

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Another proposal for dealing with the Outer Space Treaty

10:02 pm

Link here. The author has made an interesting analysis of my earlier essay on this subject, and come up with what I think is a very intriguing and most encouraging idea:

Government establishes a legal framework for enforcing law. So, rather than allow nations to make claims of territory, let us instead allow private enterprises to go to the Moon or elsewhere, stake a claim, and then, to establish a legal framework for resolving any disputes that arise, choose the government under whose legal jurisdiction their claim will reside. No governments would appropriate territory. They would merely be lending their courts to render judgments on legal disputes arising outside their territories. That would seem to satisfy Article 2. This scheme would not require a new Treaty but could probably be implemented via United Nations resolutions. [emphasis in original]

I actually like this, as it puts the power in the hands of the citizens or companies, allowing them to pick the nation to which they wish to align.

What I find most encouraging however is that the subject of the Outer Space Treaty is now becoming a major issue worth discussing, by many others. I have my ideas, others have theirs. Either way, the issues and weaknesses of the treaty are now being debated, and people are proposing solutions. In the fifty years since the treaty was signed it has previously been impossible to generate this much discussion on this issue. (Believe me, I have tried.) That others are now responding and proposing alternative approaches means that maybe the time has finally arrived where this problem will be dealt with.

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Hoax “penis as concept” paper finally retracted

11:19 pm

It only took ten days, but the journal Cogent Social Sciences has finally retracted the hoax paper it published entitled “The conceptual penis as a social construct.”

In retracting the paper, the journal merely stated, “This article has been retracted by the publisher. For more information please see the statement on this article.”

That statement was filled with a lot of excuses and platitudes about “working closely with the academic editorial teams of all our journals to review our processes,” but little apparent recognition that the hoax demonstrated without question that quality of the gender studies field is simply crap. In fact, it appears the goal of their reviews isn’t to question the quality of the academic research, but to establish policies that will prevent another hoax. As far as they are concerned, it is okay to publish this exact same junk, as long as its authors sincerely believe it to be true.

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Coalition of leftwing states and cities to uphold Paris climate treaty

11:12 am

The squealing of pigs: A coalition of leftwing states and cities has formed to uphold the Paris climate treaty from which President Trump has withdrawn.

Thirty cities, three states, more than 80 university presidents, and more than 100 companies are part of a growing group intending to uphold the Paris Agreement, the climate-change accord that President Donald Trump on Thursday announced the US would be exiting.

The group is being organized by the billionaire philanthropist Michael Bloomberg.

The coalition plans to submit a plan to the United Nations that commits to greenhouse-gas limits set in the Paris Agreement, according to The New York Times. It is negotiating with the UN to form its own National Determined Contribution — a set of emissions standards for each participating nation under the Paris Agreement — that is accepted alongside the other countries in the accord.

There is one big problem with this effort. It is plainly forbidden by the U.S. Constitution, which states in Article 1, section 10 that “No state shall enter into any Treaty, Alliance, or Confederation. … No state shall, without the consent of Congress, … enter into any agreement or compact with another state, or with a foreign power.”

But then, I am not surprised. The left, led today by the Democratic Party, has shown itself in recent years to either be completely ignorant of some basic Constitutional laws, or eagerly willing to defy or ignore them.

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