Category: Points of Information

Very brief descriptions, with appropriate links, of current or recent news items.

Obamacare squeezes the economy

4:16 pm

Finding out what’s in it: A new Congressional Budget Office study has found that Obamacare will shrink the economy over the next ten years.

Not that this conclusion should surprise anyone. Tea party politicians (as well as Republicans) have been pointing out this consequence of adding new unneeded or unwanted regulations to businesses since the day Obamacare was proposed by Democrats. And from the moment the law was forced through by those Democrats the economy has remained stalled, with businesses forced to focus on avoiding the law’s unaffordable costs rather than focusing on expanding and increasing profits.

One comment

A movie of Ceres

9:09 am

Cool movie time! The Dawn science team has released a movie compiled from images taken by the spacecraft, showing in false color the entire dwarf planet’s rotation as well as doing a fly-over of Occator Crater with its double bright spot.

I have posted the movie below the fold. The false colors illustrate the different materials so far detected on the surface, and help explain the nature and origin of the surface features.
» Read more

Leave a comment

Bright spots on Ceres likely salt deposits

1:56 pm

Based on an analysis of Dawn images scientists now believe that the bright spots on Ceres are salt deposits, not water ice.

Le Corre and colleagues, using images from Dawn’s framing camera, suggest that these salt-rich areas were left behind when water-ice sublimated in the past. Impacts from asteroids would have unearthed the mixture of ice and salt. “The location of some bright spots also coincide with places where water vapor was detected by other spacecraft,” said Reddy, a PSI Research Scientist. “This gives us confidence that the bright spots are likely salt deposits left over by sublimating salty water.”

While the bright spots themselves are not ice, they are what is left over after salty water evaporates.

Leave a comment

Second Google Lunar X-Prize launch contract confirmed

10:05 am

The competition heats up: The Google Lunar X-Prize has now confirmed two launch contracts for sending a privately financed and built rover to the Moon by 2017.

Moon Express is now the second company to have a launch contract for their lunar lander spacecraft verified by the X Prize Foundation. An Israeli team, SpaceIL, had its contract to launch a lander on a SpaceX Falcon 9 verified by the foundation in October. SpaceIL will be one of the primary payloads on a launch purchased in September by Spaceflight Industries that will carry about 20 other spacecraft. That initial launch contract verification allowed the foundation to formally extend the competition’s deadline to the end of 2017. Teams have until the end of 2016 to submit their own launch contracts in order to continue in the competition.

Sixteen teams remain in the competition, announced in September 2007, to land a privately-developed spacecraft on the moon, travel at least 500 meters across its surface, and return high-resolution videos and other data. Some teams are cooperating with others for launch arrangements.

2 comments

French Mars’ instrument repair looks good

10:00 am

The head of France’s space agency announced today that repairs to their instrument for NASA’s InSight Mars lander will be completed in time to ship the instrument to the U.S. in time for the scheduled March launch.

Briefing reporters here at the COP21 United Nations Climate Change Conference, Jean-Yves Le Gall said the leak, which compromised the required high-precision vacuum chamber carrying InSight sensors, was caused by a defective weld that is applied to close off the tank.

The leak’s cause has been identified and a new weld performed, Le Gall said. Tests to confirm the new weld’s integrity are underway and, assuming no problems, will be completed in time to ship the instrument to the United States in the first week of January. It will then be integrated into the InSight lander in preparation for the March launch.

Leave a comment

Akatsuki’s Venus orbit confirmed

9:43 am

Venus in ultraviolet by Akatsuiki

Japanese engineers have confirmed that Akatsuki has entered orbit around Venus and can now begin science observations.

The image on the right was taken by the spacecraft’s ultraviolet camera, and clearly shows the as-yet unidentified dark material in Venus’s upper atmosphere. These dark streaks have been seen since the first Venus fly-by in the 1960s, but no observations have been able to determine what the material is that shows up as dark in ultraviolet light.

This success is a triumph for the engineers that operate Akatsuki. Kudos to them!

Leave a comment

More data says no alien civilization at KIC 8462852

9:32 am

New observations of the star KIC 8462852 to see if an alien civilization had produced laser signals has produced a null result, reinforcing the conclusion that the erratic dimming of the star is not caused by alien megastructures.

On six nights between October 29 and November 28, 2015, scientists searched for pulses as short as a billionth of a second at the Boquete Optical SETI Observatory in Panama, using a 0.5 m Newtonian telescope. The observatory’s relatively small telescope uses a unique detection method having enhanced sensitivity to pulsed signals. If any hypothetical extraterrestrials had beamed intentional laser pulses in the visible spectrum toward Earth, the Boquete observatory could have detected them so long as they exceeded the observatory’s minimum detectable limit.

KIC 8462852 has puzzled astronomers because it shows irregular dimming unlike anything seen for another star. The anomalous light curve was measured using NASA’s Kepler telescope, as part of its search for exoplanets. However, even though a planet the size of Jupiter would cause dimming of approximately 1%, the dimming observed for KIC 8462852 was far greater – up to 22%. Just as strange, the dimming didn’t follow the regular pattern of a planet orbiting a star, but instead was unpredictable. The best explanation to date is that the dimming may have been caused by cometary fragments in a highly elliptical orbit around KIC 8462852, intercepting starlight at the same time the Kepler mission was observing it.

Leave a comment

Sunspots continue predicted decline

4:30 pm

On Sunday NOAA posted, as it does each month, its monthly update of the solar cycle, showing the Sun’s sunspot activity in November. And as I have done every month since 2010, I am posting it here, with annotations to give it context.

Though sunspot activity in November was just slightly higher than in October, the increase was so small that it is insignificant. Essentially, the overall decline in sunspot count continues, matching almost perfectly the ramp down predicted by the 2007 low prediction. Solar activity continues to be far weaker then anything seen in a century. Whether this suggests a coming Grand Minimum, however, is not known. Solar activity could continue to decline as we move into the next solar cycle, or it could recover. Our understanding of what causes the sunspot cycle remains somewhat fuzzy, which means our ability to predict what will happen next is as fuzzy..

November 2015 Solar Cycle graph

The graph above has been modified to show the predictions of the solar science community. The green curves show the community’s two original predictions from April 2007, with half the scientists predicting a very strong maximum and half predicting a weak one. The red curve is their revised May 2009 prediction.

One comment

Rabbis endorse Cruz as polls show him surging

2:16 pm

Even as new polls show Senator Ted Cruz (R-Texas) moving into the lead in Iowa, a broad coalition of rabbis today endorsed him for president.

As I noted way back in August and September, Cruz has been very carefully developing a long-term and broad strategy for winning the presidency. He also generally has the truth on his side, which in elections can only benefit him. Moreover as I have noted since the summer, when Republican voters finally have to vote they are going to gravitate towards the more serious candidates who have demonstrated their willingness to fight the status quo.

These factors now seem to be all coalescing around Cruz.

Considering he might be the smartest and most thoughtful candidate on the campaign trail, with the best understanding of the Constitution and the principles behind it, I cannot think of a better trend. Cruz might not become the Republican candidate, but he is certain to come out of this campaign in a strong position to dominate politics for years to come.

3 comments

A new technique for creating diamonds

8:54 am

In discovering a new solid state for carbon scientists have also discovered that it is a relatively inexpensive way to produce diamonds.

Professor Jay Narayan of North Carolina State University is the lead author of three papers describing the work that sees Q-carbon join the growing list of carbon solids, a list that includes graphite, graphene, fullerene, amorphous carbon and diamond. He has suggested that the only place Q-carbon might be found in the natural world is in the core of certain planets.

The researchers created Q-carbon by starting with a thin plate of sapphire (other substrates, such as glass or a plastic polymer, will also work). Using a high-power laser beam, they coated the sapphire with amorphous carbon, a carbon form with no defined crystalline structure. They then hit the carbon with the laser again, raising its temperature to about 4,000 Kelvin, and then rapidly cooled, or quenched, the melted carbon. This stage of quenching is where “Q” in Q-carbon comes from.

The researchers have found that, depending on the substrates, tiny diamonds will form within the Q-carbon, suggesting to me that they have actually discovered how diamonds are formed deep below the Earth. The hot high pressure environment there allows Q-carbon to naturally form, and in the process of its solidification diamonds are a byproduct.

2 comments

Success at last for Akatsuki

8:45 am

Five years after the Japanese Venus probe Akatsuki’s main engines failed while trying to put it into orbit, the spacecraft today fired its attitude thrusters and was successfully inserted into orbit.

This is a singular achievement by the Japanese engineers running the mission. They improvised a plan using the thrusters, which were designed to adjust the spacecraft orientation, not its course, and were able to get Akatsuki in an solar orbit that brought it back to Venus.

Leave a comment

Russia has another launch failure

8:37 am

In the heat of competition: Russia today confirmed that its Saturday launch of a military satellite failed when the satellite did not separate from the Soyuz rocket’s upper stage.

For most of the weekend Russian news sources were claiming that the satellite had been inserted into its proper orbit. One source however had correctly noted the failure. Because of the contradiction I had held off posting on this. Now that the failure is confirmed, it reveals again what seem to be chronic quality control problems within the Russian aerospace industry. They fix problem one place and another pops up somewhere else.

Leave a comment

The murder rate on U.S. islands with strict gun laws

9:32 am

A comparison of the murder rate on U.S. islands that have very strict gun control laws with the average U.S. murder rate finds that gun control has no effect on reducing violence, and in fact might help increase it.

The article finds that the Virgin Islands and Puerto Rico have far more murders per person than the U.S., while Hawaii has less. The research does demonstrate, however, that the argument used by places like Chicago, New York, and Washington, DC (that the access to guns in nearby communities causes their gun laws to fail) is bogus. It doesn’t matter if guns are available nearby, as shown above. Instead, as the author correctly notes,

A major problem with trying to lower murder rates with gun laws aimed at restricting the entire population’s access to firearms is that only a tiny number of guns are needed to supply those involved in violent crime. From an economic perspective, it does not matter much if you attempt to fill a bucket from a small pond or an ocean; filling the bucket is easy in either case.

3 comments

Western Muslim reformers to name extremists in their mosques

9:11 am

Good news! A group of western Muslim reformers, horrified by the violence being perpetrated in the name of Islam, have announced plans to name and shame the extremists within their religious communities.

Khader and other members of the group on Friday released a declaration of principles calling on Muslims to reject violent jihad and endorse religious freedom for all and secular government, and saying they will call out those who reject it. “We reject the idea of an Islamic state,” Khader said.

In imitation of Christian reformer Martin Luther, the group’s members plan to take copies of the declaration and post them on the doors of their local mosques. “If they reject them then we know they’re on the side of the problem,” said Zuhdi Jasser, president of the Phoenix-based American Islamic Forum for Democracy, at a news conference at which the declaration was unveiled.

It is this kind of reaction that has been sorely lacking within the Islamic community since 9/11. If western Muslims had done this then, then the accusations against them for celebrating on that horrific day would not now be so easy to justify. Still, better late than never.

Interestingly, the two groups expressing opposition to their effort are Muslims within their community, which is not surprising, and liberals here in the U.S. and in Europe. Read the article, as I don’t want to quote it all. It is clearly illustrates the fascist roots of modern liberalism, which seems more willing to forge links with the terrorist elements of Islam rather than fight it.

8 comments

India wins contract to launch private weather satellites

8:39 am

The competition heats up: The first two satellites in the first private weather satellite constellation will be launched on India’s PSLV rocket.

With 12 satellites on orbit, PlanetiQ will collect approximately 34,000 “occultations” per day, evenly distributed around the globe with high-density sampling over both land and water. Each occultation is a vertical profile of atmospheric data with very high vertical resolution, comprised of measurements less than every 200 meters from the Earth’s surface up into the ionosphere. The data is similar to that collected by weather balloons, but more accurate, more frequent and on a global scale.

“The world today lacks sufficient data to feed into weather models, especially the detailed vertical data that is critical to storm prediction. That’s why we see inaccurate or ambiguous forecasts for storms like Hurricane Joaquin, which can put numerous lives at risk and cost businesses millions of dollars due to inadequate preparation or risk management measures,” McCormick said. “Capturing the detailed vertical structure of the atmosphere from pole to pole, especially over the currently under-sampled oceans, is the missing link to improving forecasts of high-impact weather.”

This project is a win-win for aerospace. Not only will this weather constellation help shift ownership of weather satellites from government to private ownership, the company’s decision to use India’s PSLV rocket increases the competition in the launch industry.

Leave a comment

Beaver dams centuries old

8:28 am

Using a map from the first major study of beavers from 150 years ago, scientists have found that beaver dams can last centuries.

The researcher who produced the original map, Lewis Henry Morgan, had himself theorized that beaver dams were long-lived. This study proves it. Then again, it makes sense, since geography is going to limit the right locations for a dam. The right place is always going to be the right place, and thus the new study proves that generations of beavers go back to the best locations repeatedly.

3 comments

LRO finds lunar impact site for Apollo rocket stage

10:03 pm

Lunar Reconnaissance Orbiter has located the impact site for the Apollo 16 rocket booster that, like four other boosters, had been deliberately crashed on the surface so the Apollo seismometers could use the vibrations to study the Moon’s interior.

The other impact sites had been found already, but Apollo 16 was harder to pin down because contact with the booster had ended prematurely so its location was less well known.

Leave a comment

Boxer cites California gun laws to stop California terrorist attacks

5:28 pm

The reality-challenged Democratic Party: Today Senator Barbara Boxer (D-California), in demanding new gun control regulations in response to yesterday’s terrorist attack in California, noted that “sensible gun laws work. We’ve proven it in California.”

You can’t make this stuff up. The so-called sensible but very restrictive gun control laws in California did nothing to stop the murderers yesterday, but they did do a good job of making sure the innocent people there were unarmed, helpless, and easy targets. (The attack also took place in a government facility that is a gun-free zone.)

So of course, Boxer and the Democrats want to disarm everyone else, so that these killers won’t have as hard a time at killing us.

37 comments

Oblique view of Ceres’s bright spots

3:58 pm

Occator Crater on Ceres

Cool image time! The image above is a newly released image of Occator Crater on Ceres, the location of the dwarf planet’s double bright spots, taken by Dawn in October.

I have cropped the image to focus on the crater and the bright spots. Unlike most previous images, this one is taken from an angle to bring out the topography, which also confirms what other data had shown, that the bright spots are not on top of any peaks. If anything, they appear to be located at low spots in the crater, as that previous data had suggested.

Though the spots are not really very bright, they are very bright relative to the dark surface of Ceres. This is why it is difficult to get a good image of them. Either you have to over-expose the spots to see the surface details around them, or under-expose the surface around them to see some detail in the spots. This image tries to find a middle ground.

Eventually they will move Dawn in very close to try to get higher resolution images of the spots alone. At that time we might finally be able to get a better understanding of what causes them.

Leave a comment

Syria’s only astronaut now a refugee

9:57 am

The uncertainty of life: Muhammed Faris, the only Syrian to ever fly in space, is now a refugee living in Turkey with his family.

Then in 2011, just as he was preparing to enjoy a life in retirement, it all went wrong – as it did for his country. In 2012, he defected from the Syrian Air Force and joined the armed opposition. He was deemed a traitor, had all his honours revoked and his belongings confiscated. He eventually had to flee his country, leaving almost everything behind.

Read it all. He says that his reasons for leaving the air force were because it was bombing its own citizens but I wonder if it might be more complicated than that.

Leave a comment

Russia’s ten-year space budget slashed again

9:03 am

The uncertainty of budgets: Russia has once again cut the ten-year budget for its space program, forcing its space agency Roscosmos to reconsider its ten-year plan running through 2025.

Russia’s federal space agency Roscosmos will receive just 1.5 trillion rubles ($22.5 billion) in government funding over the next ten years, less than half of estimated figures cited by space officials earlier this year, a Roscosmos statement said on Monday evening. The space agency was planning on receiving around 3.4 trillion rubles as part of the Federal Space Program 2016-2025 (FSP), a decade-long planning document that lays out Russia’s goals in space and allocates funding for them.

But Russia’s economic crisis and a broad readjustment of government spending across all sectors has forced Roscosmos to redraft its 10-year proposal several times over the past year.

This is not necessarily bad news for Russia’s space program. The cuts will force them to function like a private company, lean and mean, rather than a bloated wasteful government operation. They therefore might actually be more competitive as a result.

Leave a comment
1 … 558 559 560 561 562 … 930