Topic: Iowa City IA
Pasadena, CA – New research from NASA’s Cassini spacecraft’s up-close Grand Finale orbits shows a surprisingly powerful and dynamic interaction of plasma waves moving from Saturn to its rings and its moon Enceladus.
The observations show for the first time that the waves travel on magnetic field lines connecting Saturn directly to Enceladus. The field lines are like an electrical circuit between the two bodies, with energy flowing back and forth.
Researchers converted the recording of plasma waves into a “whooshing” audio file that we can hear — in the same way a radio translates electromagnetic waves into music.
Written by DC Agle
Pasadena, CA – NASA’s Juno spacecraft has sent back the first-ever images of Jupiter’s north pole, taken during the spacecraft’s first flyby of the planet with its instruments switched on. The images show storm systems and weather activity unlike anything previously seen on any of our solar system’s gas-giant planets.
Juno successfully executed the first of 36 orbital flybys on August 27th when the spacecraft came about 2,500 miles (4,200 kilometers) above Jupiter’s swirling clouds.
Written by DC Agle
“We’ve just crossed the boundary into Jupiter’s home turf,” said Juno Principal Investigator Scott Bolton of Southwest Research Institute, San Antonio. “We’re closing in fast on the planet itself and already gaining valuable data.”
Written by Alan Buis
Pasadena, CA – Levels of “background ozone” — ozone pollution present in a region but not originating from local, human-produced sources — are high enough in Northern California and Nevada that they leave little room for local ozone production under proposed stricter U.S. ground-level ozone standards, finds a new NASA-led study.
The researchers, led by Min Huang of George Mason University, Fairfax, Virginia, used a novel technique that combined data acquired from two instruments on NASA’s Aura spacecraft in the summer of 2008.
Written by Elizabeth Landau
Pasadena, CA – The Voyager 1 spacecraft has experienced three shock waves.
The most recent shock wave, first observed in February 2014, still appears to be going on.
One wave, previously reported, helped researchers determine that Voyager 1 had entered interstellar space.
The “tsunami wave” that NASA’s Voyager 1 spacecraft began experiencing earlier this year is still propagating outward, according to new results. It is the longest-lasting shock wave that researchers have seen in interstellar space.
Written by Whitney Clavin
Pasadena, CA – NASA’s Voyager 1 spacecraft has experienced a new “tsunami wave” from the sun as it sails through interstellar space. Such waves are what led scientists to the conclusion, in the fall of 2013, that Voyager had indeed left our sun’s bubble, entering a new frontier.
“Normally, interstellar space is like a quiet lake,” said Ed Stone of the California Institute of Technology in Pasadena, California, the mission’s project scientist since 1972. “But when our sun has a burst, it sends a shock wave outward that reaches Voyager about a year later. The wave causes the plasma surrounding the spacecraft to sing.”
Washington, D.C. – NASA’s Voyager 1 spacecraft officially is the first human-made object to venture into interstellar space. The 36-year-old probe is about 12 billion miles (19 billion kilometers) from our sun.
New and unexpected data indicate Voyager 1 has been traveling for about one year through plasma, or ionized gas, present in the space between stars. Voyager is in a transitional region immediately outside the solar bubble, where some effects from our sun are still evident.
A report on the analysis of this new data, an effort led by Don Gurnett and the plasma wave science team at the University of Iowa, Iowa City, is published in Thursday’s edition of the journal Science.
Written by Richard Cordray
Iowa City, IA – Today, we’re issuing one of our most important rules to date, the Ability-to-Repay rule. It’s designed to assure the reliability of mortgages – making sure that lenders offer mortgages that consumers can actually afford to pay back. This is a simple, obvious principle that needs to be cemented in the housing market.
In the run-up to the financial crisis, we had a housing market that was reckless about lending money. Lenders thought they could make money on a loan even if the consumer could not pay back that loan, either by banking on rising housing prices or by off-loading the mortgage into the secondary market. This encouraged broad indifference to the ability of many consumers to repay loans, which dramatically increased mortgage delinquencies and rates of foreclosures. «Read the rest of this article»
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