Year: 2015

A planet-forming disk with mysterious ripples

11:40 am

cropped image of dust disk and ripples

The mysteries of science: Astronomers have detected ripples and blobs moving outward through the dust disk surrounding a nearby star, and have no idea what is causing them.

The images reveal a train of wave-like arches, resembling ripples in water. After spotting the features in the SPHERE data the team turned to earlier Hubble images of the disk, taken in 2010 and 2011. The wave-like nature of some of these features were not recognized in the initial Hubble observations. But once astronomers reprocessed the Hubble images they not only identified the features but realized that they had changed over time. The researchers report that these ripples are moving — and they are moving very fast. “We ended up with enough information to track the movement of these strange features over a 3- to 4-year period,” explained team member Christian Thalmann of the Swiss Federal Institute of Technology in Zurich, Switzerland. “By doing this, we found that the arches are racing away from the star at speeds of up to 10 kilometers per second (22,000 miles per hour)!” Co-investigator Carol Grady of Eureka Scientific in Oakland, California, added, “Because nothing like this has been observed or predicted in theory we can only hypothesize when it comes to what we are seeing and how it came about.”

The one theory that is still not refuted is that the star’s flaring activity, which is significant, causes the ripples somehow.

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Yale makes available online 170,000 photographs from WWII period

9:34 am

History: Yale University had posted online 170,000 Library of Congress photographs taken in the United States from 1935 to 1945.

The photos come from all over the U.S., and can be accessed with this easy-to-use inactive map. They also used the original captions, thus avoiding any editing for politically correct reasons and allowing the viewer to get an honest feel for the time period.

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China launches first commercial Earth-observation satellite

9:21 am

The competition heats up: China today successfully launched its first Earth-observation satellite for providing commercial images to the public.

A Long March 2C rocket launched the Jilin 1 satellite constellation, which consists of a primary high definition optical satellite, as well as two Lingqiao video satellites and a fourth, LQSat, to test space technology. Xuan Ming, from the Chang Guang Satellite Technology Co., Ltd, earlier told Xinhua the satellites will focus on providing images to commercial clients, while helping with harvest assessment, geological disaster prevention and resource surveys. Jilin-1 is reported to be capable of very high definition images, boasting a resolution of 0.72m with a pan-chromatic camera and a 4m resolution multi-spectral camera.

The article also provides a short but nice summary of China’s space plans for 2016, including its first manned mission since 2013.

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Another Google Lunar X-Prize contestant announces launch contract

8:59 am

The competition heats up: Another Google Lunar X-Prize team, SpaceIL, has announced the signing of a launch contract, this time as a secondary payload on a Falcon 9 launch in the latter half of 2017.

Their press release says they are the first to produce an actual contract to the contest, which only means the Moon Express contract hasn’t yet been delivered.

This two launch contracts suggest that the competition for the X-Prize will get interesting in 2017. As a secondary payload, SpaceIL will not be able to schedule its launch. And while Moon Express, as a primary payload on smallsat rocket, can schedule its launch, it is depending on a new untried rocket, Electron, being developed by a new untried rocket company, Rocket Labs.

And since SpaceIL is an Israeli company, be prepared for some Muslim and leftwing heads to explode should it win the X-Prize. How dare they oppress those Palestinians by getting their rover to the Moon first!

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Government workers earn 78% more than private workers

5:29 pm

We’re here to help us! A new study has found that Federal employees earn 78% more than private sector workers.

The Cato Institute’s Chris Edwards compared data from the Bureau of Economic Analysis to show that, in his view, civilian federal workers are overcompensated. Factoring both salary and benefits, Edwards pointed to BEA data showing the average federal employee earns about $119,000 annually, compared to the private sector worker who earns $67,000 per year. When comparing just salaries, feds collect 50 percent bigger paychecks, Edwards said.

The wage gap between the federal and private sectors has grown since the 1990s, Cato’s director of tax policy studies found. The divide has doubled since 1990, when it was just 39 percent. The growth, he said, came from not just raising pay levels and offering more generous benefits, but also a more “top-heavy” bureaucracy that routinely moves employees into higher salary brackets and redefines jobs as higher earning positions. “The federal government has become an elite island of secure and high-paid employment, separated from the ocean of average Americans competing in the economy,” Edwards wrote in his findings.

I wonder, do you think we are getting our money’s worth?

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An avalanche on Mars, as it happens

4:49 pm

Avalanche on Mars

Cool image time! In their routine monitoring for avalanches at the layered deposits at the Martian north pole, the Mars Reconnaissance Orbiter science team captured the avalanche on the right, as it happened.

This picture managed to capture a small avalanche in progress, right in the color strip. … The small white cloud in front of the brick red cliff is likely carbon dioxide frost dislodged from the layers above, caught in the act of cascading down the cliff. It is larger than it looks, more than 20 meters across, and (based on previous examples) it will likely kick up clouds of dust when it hits the ground.

They note that avalanches in this area of Mars are common in the spring when things are warming, and have been documented previously, but possibly not so dramatically.

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Guess where?

3:12 pm

Pluto lake

I found the image on the right while trolling about on the various raw image sites for NASA’s planetary missions. No press release yet, and maybe there never will be one. I do know the scientists involved in this particular mission are right now drooling over the details available in the full resolution image, which I have cropped and reduced to fit on the right. Take a look and you will drool as well.

Want to know where this is? I bet you have already guessed, but if you need help, click on the “read more” link below, where I have also added some comments.
» Read more

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IPPC replaces head with economist

2:34 pm

The politics of climate science: The IPCC has selected an economist, Hoesung Lee, to replace the disgraced railroad engineer, Rajendra Pachauri, who had previously been its leader.

That neither Pachauri nor Lee is an actual climate scientist, nor have they ever even done any climate science, tells us all we need to know about the IPCC. It is a political body, designed to push the political agenda of the advocates of human-caused global warming regardless of the scientific evidence. And that political agenda has nothing to do with science or climate, but using science and climate as a tool to impose Marxist fascist rule on everyone.

And if you doubt me, read this article in the science journal Nature describing the possible directions the IPCC will take under Lee’s leadership.

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Ramp down in sunspots continues

12:59 pm

Correction! For reasons I do not understand, the graph below, originally posted on the NOAA website, was incorrect and was changed several days after I posted my piece below. See this post for the correct graph and analysis.

The uncertainty of science: On Monday NOAA posted its monthly update of the solar cycle, showing the Sun’s sunspot activity in September. Once again I post it here, below the fold, with annotations to give it context.

For the third month in a row the sunspot count dropped a tiny amount, lingering at about the same number as the previous two months. Moreover, the rate of decline seems to have transitioned down from the 2009 prediction (red curve) to the 2007 weak prediction (lower green curve). This doesn’t real mean much, as the sunspot number can still vary up and down considerable before we reach solar minimum in two or three years.

» Read more

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What Facebook “likes” reveal about the candidates

9:32 am

A review of the number of Facebook “likes” obtained by the Republican presidential candidates illustrates again that the grassroots strongly desires something different in 2016.

Candidates perceived as part of the “establishment,” such as Jeb Bush, Chris Christie, John Kasich, Lindsey Graham, and George Pataki had surprisingly few followers considering their name recognition and experience. My initial research revealed Jeb Bush had the most followers amongst the establishment candidates -right at 280,10 at that time. Comparatively, Dr. Carson, was leading the pack among the “outsiders.” He had 3,821,488.

However, all of those considered outsiders, including Trump, Carson, Cruz and Fiorina, as well as those considered a bridge between the outsiders and the establishment, like Marco Rubio, Rand Paul, Huckabee, Bobby Jindal and Rick Santorum, were faring better on Facebook and Twitter than their establishment counterparts. Santorum had the lowest number of Facebook Likes, at 265, 810 followers – not far off from Jeb Bush. If presidential candidates were decided exclusively based upon grassroots support, without major donors to prop up establishment candidates, they’d be in trouble.

The article also notes how some of these outsiders, such as Ben Carson, actually increased the number of their “likes” immediately after they has said something that the press had called a miscue or a mistake and which they thought would end their campaign. Instead, they gained strength on Facebook.

As I’ve said for months, as soon as the real voting begins Jeb Bush will vanish. The Republican voter does not want another Bush, no matter how much money and organization he has. They also do not want a Kasich, a Graham, a Christie, or a Pataki, all of whom have demonstrated their willingness to abandon conservative ideas at the drop of a hat. Instead, the voters want someone not part of the Washington machine who will be willing to change things there. These data makes this fact quite clear.

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