Tag: science

Akatsuki’s engine too damaged to put the probe into Venus orbit in 2015

9:23 am

The engine of Japan’s troubled Venus probe, Akatsuki, has been found too damaged to put the probe into Venus orbit.

JAXA conducted a test ignition of the probe’s main engine on Wednesday to prepare for another attempt to send it into orbit in 2015. But the thrust produced was only one-eighth the amount anticipated, the space agency said. The damage the engine suffered last December when JAXA ignited it in the initial attempt to send the probe into orbit around Venus appears to be more serious than thought, JAXA said.

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Private Japanese weather company to launch satellite to track Arctic Ice

9:14 am

A private Japanese weather company plans to launch a satellite to track Arctic ice for use by shipping.

The satellite will transmit images and information about sea ice in the Arctic Ocean. Weathernews will combine the information with available data on sea currents, weather and wave height to provide consumers with a finished product enabling safe navigation along the northern route.

Though I know most people are skeptical of this idea, I think that all weather information should be gathered and sold by private companies, as Weathernews is doing above. For example, the Weather Channel makes its money providing weather information to the public. If they didn’t get the satellite data free from NOAA weather satellites, they would have every reason to launch their own satellites.

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Nobel prize winner resigns from the American Physical Society over its support of global warming

12:34 am

A Nobel prize winner has bluntly resigned from the American Physical Society (APS) because of its unquestioning support of global warming.

Dr. Giaever wrote to Kirby of APS: “Thank you for your letter inquiring about my membership. I did not renew it because I cannot live with the (APS) statement below (on global warming): APS: ‘The evidence is incontrovertible: Global warming is occurring. If no mitigating actions are taken, significant disruptions in the Earth’s physical and ecological systems, social systems, security and human health are likely to occur. We must reduce emissions of greenhouse gases beginning now.’

Giaever announced his resignation from APS was due to the group’s belief in man-made global warming fears. Giaever explained in his email to APS: “In the APS it is ok to discuss whether the mass of the proton changes over time and how a multi-universe behaves, but the evidence of global warming is incontrovertible? The claim (how can you measure the average temperature of the whole earth for a whole year?) is that the temperature has changed from ~288.0 to ~288.8 degree Kelvin in about 150 years, which (if true) means to me is that the temperature has been amazingly stable, and both human health and happiness have definitely improved in this ‘warming’ period.” [emphasis in original]

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More bad budget reporting

12:16 am

Once again a journalist as well as a science journal are spinning budget numbers to hide the fact that the present Congress is not imposing draconian cuts to science. If anything, they are not cutting enough, considering the dire state of the federal deficit.

First there is the headline, from Science: Senate Panel Cuts NSF Budget by $162 Million. Then there is the article’s text, by Jeffrey Mervis, which not only reaffirms the cuts described in the headline but adds that “the equivalent House of Representatives panel approved a bill that would hold NSF’s budget steady next year at $6.86 billion.” Mervis then underlines how terrible he thinks these budget numbers are by quoting Senator Barbara Mikulski (D-Maryland): “We’ve gone beyond frugality and are into austerity.”

This reporting is shameful. Not only is Mikulski full of crap, Mervis’s description of the budget numbers is misleading if not downright wrong. Here are the final budget numbers for the NSF since 2007, in billions of dollars (sources: Science, the American Geological Institute, and The Scientist):
» Read more

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Senate reinserts money for the James Webb Space Telescope

10:38 pm

The Senate has reinstated money for completing the James Webb Space Telescope.

The allocation in today’s markup does not automatically mean that the Webb telescope has been rescued. The markup will now go to the full appropriations committee for approval before going to the Senate floor for a vote. The approved bill will then have to be reconciled with the House version, which, NASA hopes, will result in a final appropriation that keeps the telescope alive.

The House version also zeroed out funding for Webb, so reconciling the two budgets will not be easy.

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Astronomers take one last close look at 1999 RQ36 before sending mission there

9:05 am

Astronomers plan one last close look at 1,900-foot-wide asteroid before sending a space probe there to collect samples.

Discovered in 1999, the OSIRIS-REx target asteroid, designated 1999 RQ36, nears Earth once every six years. During the 2011 closest approach in early September, it will be 10.9 million miles (17.5 million kilometers) away. In 1999, closest approach was 1.4 million miles (2.3 million kilometers).

Strangely, the article above never mentions the fact that 1999 RQ36 has 1 in a 1000 chance of hitting the Earth in 2182, which to my mind is the primary reason for studying it.

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The seven ton climate satellite, UARS, is set to fall to earth sometime in the next month

10:47 pm

A defunct seven-ton NASA climate satellite is about to fall to Earth.

The Upper Atmosphere Research Satellite, or UARS, is expected to come down in late September or early October, the space agency said today in an advisory. “Although the spacecraft will break into pieces during re-entry, not all of it will burn up in the atmosphere,” NASA said.

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A Dutch university fires social psychologist over faked data

10:35 pm

A Dutch university has fired a noted social psychologist who has admitted his science research was based on faked data.

[Diederik] Stapel has worked at the university, located in southern Netherlands, since 2006. He is known as a prolific researcher and a successful fundraiser. His studies appeared to offer new insights into the workings of the human mind; for instance, a Science paper published in April showed that people are more likely to stereotype or discriminate in messy environments.

In the TV interview, [university rector Philip] Eijlander says he was first contacted on 27 August by “junior researchers” in Stapel’s lab who alleged that his conduct was fraudulent. Stapel immediately admitted that there was “something strange” in his papers, Eijlander says, and “yesterday, he told me that there are faked data.” The university has asked Willem Levelt, a psycholinguist and former president of the Royal Netherlands Academy of Arts and Sciences, to lead a panel investigating the extent of the alleged fraud. Eijlander says that all “tainted papers” will be retracted. [emphasis mine]

I purposely emphasis the publication of this faked research in the peer review journal Science to illustrate how this story once again demonstrates that just because a science paper is peer reviewed, that is absolutely no guarantee that it is either correct, or even legitimate. The field of science (with a small “s”) always requires everyone to exercise a strong sense of skepticism. Appeals to authority (“It was published in Science!”) should carry no weight.

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The Moral High Ground

2:53 pm

The moral high ground.

The Left has fought the spread of genetically modified (GM) foods with every weapon in its arsenal. Leftists did this in the name of combating a long list of “potential risks” that never materialized. They have been permitted to overlook the fact that their assaults on GM food were not cost free. For instance, they have greatly delayed and in some places stopped cold the use of rice modified to increase vitamin A content. For the Left this is cause for celebration. In fact, widespread use of this “golden rice” would have prevented a half-million cases of child blindness a year. So the next time someone talks to you about the evils of genetically modified foods, remind him of the millions of poor children this crusade has condemned to a lifetime of blindness. How do folks prepared to allow millions to needlessly go blind still command the respect of any truly moral person?

And that’s only the start. Read the whole thing.

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The sun’s weak maximum continues

12:27 pm

The monthly graph from NOAA’s Space Weather Prediction Center of the Sun’s solar cycle sunspot activity is out and I have posted it below. Though activity increased for the second month in a row, the totals are still below the activity levels of March and April 2011.

I am beginning to think that I sound like a broken record. This monthly graph once again suggests that the next solar maximum will be weak, possibly weaker than the most up-to-date predictions for the next solar maximum. And even if that prediction is correct, the data continues to point towards a quieter Sun, with the likelihood of a long period of no sunspots beginning in the next decade.

Based on past history, the consequences of a long Maunder-type minimum, where there are no sunspots for decades, should be very profound. Every time the Sun has gone this quiet in the past, the Earth’s climate has cooled. Furthermore, new results just released add weight to this conclusion. A less active Sun allows more intergalactic cosmic rays to hit the atmosphere, and the CLOUD experiment at CERN strongly suggests that the higher rate of cosmic rays could in turn increase the atmosphere’s cloudiness, thereby reflecting more light and energy and making the Earth colder.

The sunspot graph for August 2011

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The dangerous environment of space

11:01 am

A just released report from the National Academies, Preparing for the High Frontier: the role and training of NASA astronauts in the post-space shuttle era, describes the challenges that NASA faces in staffing its astronaut corps in the coming years. More important, however, is some new information buried in the report about the hazards of long term exposure to weightlessness.

For example, it seems a significant number of astronauts have come back from spending months at ISS with serious vision problems, caused by a newly discovered condition dubbed papilledema, the swelling of the optic disk.
» Read more

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Baby Star Found on Earth’s Doorstep

6:16 pm

A baby star has been found only 27 light years away.

AP Columbae lies in the constellation Columba the Dove, south of the brilliant constellation Orion. “AP Columbae is still contracting under gravity towards the main sequence,” says astronomer Adric Riedel of Georgia State University in Atlanta, whose team measured the star’s parallax—an indication of its distance—and discovered that the star is abnormally luminous. Although the star is dim and red, it’s four times as bright as it should be, because it’s twice the diameter of a main-sequence star of the same color.

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Kepler team pushes for mission extension

12:55 pm

The Kepler team pushes for a mission extension in order to find Earth-sized planets.

The Kepler spacecraft has hit an unexpected obstacle as it patiently watches the heavens for exoplanets: too many rowdy young stars. The orbiting probe detects small dips in the brightness of a star that occur when a planet crosses its face. But an analysis of some 2,500 of the tens of thousands of Sun-like stars detected in Kepler’s field of view has found that the stars themselves flicker more than predicted, with the largest number varying twice as much as the Sun. That makes it harder to detect Earth-sized bodies. As a result, the analysis suggests that Kepler will need more than double its planned mission life of three-and-a-half years to achieve its main goal of determining how common Earth-like planets are in the Milky Way.

While it is important to find those Earth-sized planets, to me the important discovery here is that Kepler is confirming what previous research has suggested: Stars like our Sun are generally far more active and variable than the Sun itself. Which means that either the Sun is unusual, or has been unusually inactive during recorded human history.

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Amazon Chief’s Spaceship Misfires

12:06 am

Bad news for commercial space: A test of Amazon chief’s Blue Origin spaceship ended in failure on Friday.

After The Wall Street Journal reported on the failure, Blue Origin Friday posted a brief note on its website stating the spacecraft, while going faster than the speed of sound, suffered a “flight instability” at an altitude of 45,000 feet and the company’s automated “range safety system” shut off all thrust and led to its destruction. The problem appeared to stem from thrusters that didn’t respond properly to the initial commands, according to one industry official.

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