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Herschel Finds Oceans of Water in Disk of Nearby Star

By Guest PostOctober 22, 2011Scienceastronomers, cold water vapor, constellation hydra, european space agency, herschel space observatory, heterodyne instrument for the far-infrared, hifi, icy comets, jet propulsion laboratory, leiden observatory, michiel hogerheijde, NASA, paul goldsmith, planets like earth, the netherlands, tw hydrae, universe, waterlogged disk, young star

PASADENA, Calif. — Using data from the Herschel Space Observatory, astronomers have detected for the first time cold water vapor enveloping a dusty disk around a young star. The findings suggest that this disk, which is poised to develop into a solar system, contains great quantities of water, suggesting that water-covered planets like Earth may be common in the universe. Herschel is a European Space Agency mission with important NASA contributions.

Scientists previously found warm water vapor in planet-forming disks close to a central star. Evidence for vast quantities of water extending out into the cooler, far reaches of disks where comets take shape had not been seen until now. The more water available in disks for icy comets to form, the greater the chances that large amounts eventually will reach new planets through impacts. (more…)

Turkey Has Third Most Engaged Online Audience in Europe

By Guest PostOctober 18, 2011TechnologyComscore, Facebook, Germany, Google, internet, internet usage in europe and turkey, istanbul, Microsoft, mike read, online measurement in turkey, russian federation, the netherlands, turkish sites, united kingdom, webrazzi

*Mike Read to Speak at Webrazzi on 19 October About ‘Turkey in the Global Internet and the Future of Online Measurement’*

LONDON, UK, 18 October 2011 – comScore, Inc., a leader in measuring the digital world, today released an overview of internet usage in Europe and Turkey, showing that of Europe’s 372 million unique visitors, Turkey accounts for 23.1 million unique visitors during August 2011. The United Kingdom showed the highest engagement with users spending an average of nearly 35 hours online in the past month, up 1.5 hours from the previous month. The Netherlands ranked second (32.8 hours per month), closely followed by Turkey, where the average internet user spent 32.7 hours online consuming 3,706 pages per month, the highest consumption amongst all countries reported. (more…)

NASA Leads Study of Unprecedented Arctic Ozone Loss

By Guest PostOctober 2, 2011Science1989 montreal protocol, alfred wegener institute for polar and marine research, amount of ozone, Antarctic, antarctic ozone hole, Arctic, arctic ozone loss, arctic polar vortex, arctic stratospheric temperatures, aura and calipso spacecraft, boulder, canada, chemical ozone destruction, chlorine monoxide, denmark, depletion of earth ozone layer, finland, Germany, gloria manney, Japan, jet propulsion laboratory in pasadena, low temperatures, NASA, new mexico institute of mining and technology in socorro, noaa earth system research laboratory, ozone hole, potsdam, russia, spain, stratosphere, stratospheric ozone layer, the netherlands, ultraviolet rays, united states, winter

PASADENA, Calif. – A NASA-led study has documented an unprecedented depletion of Earth’s protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low temperatures in the stratosphere.

The study, published online Sunday, Oct. 2, in the journal Nature, finds the amount of ozone destroyed in the Arctic in 2011 was comparable to that seen in some years in the Antarctic, where an ozone “hole” has formed each spring since the mid-1980s. The stratospheric ozone layer, extending from about 10 to 20 miles (15 to 35 kilometers) above the surface, protects life on Earth from the sun’s harmful ultraviolet rays. (more…)

Newspaper Sites across Europe Demonstrate Growth in the Past Year

By Guest PostAugust 18, 2011Technologyagoda, bild, booking, british daily mail, Comscore, european markets, european web property, Facebook, french newspapers, german newspaper, google sites, hürriyet, internet usage in europe, komsomolskaya pravda, le figaro, le monde, microsoft sites, milliyet, newspaper property in europe, nited kingdom, online, priceline, ria novosti, russia, russian social network, The Guardian, the netherlands, the new york times, tripadvisor sites, turkey, turkish newspapers, unique visitors, vkontakte

*comScore Releases Overview of European Internet Usage for June 2011*

LONDON, UK, 18 August 2011 – comScore, Inc., a leader in measuring the digital world, today released an overview of Internet usage in Europe, showing 368.6 million unique visitors went online in June 2011 for an average of 26.1 hours per person. This release highlights Internet usage in 49 European markets aggregated under the European region and provides individual reporting on 18 markets. Among the reportable markets, the Netherlands, United Kingdom, and Turkey continued to show the highest average engagement, with users from these markets spending an average of more than 31 hours online in the past month. (more…)

NASA Research Confirms it’s a Small World, After All

By Guest PostAugust 17, 2011Scienceatmosphere, baseline interferometry, champs sur marne, changes in earth size, charles darwin, delft university of technology, doppler orbitography and radiopositioning integrated by satellite, earth expansion contraction theory, earth is a small world, earth lithosphere, earth orbit, earth radius, france, french satellite system, geophysical research letters, global climate change, global positioning system, grace, gravity recovery and climate experiment, ground navigation, high precision space geodesy, international terrestrial reference frame, land, large scale climate events like el nino and la nina, models of ocean bottom pressure, mother nature, NASA, ocean, solid earth, the netherlands, tracking spacecraft, walt disney, xiaoping wu

A NASA-led research team has confirmed what Walt Disney told us all along: Earth really is a small world, after all.

Since Charles Darwin’s time, scientists have speculated that the solid Earth might be expanding or contracting. That was the prevailing belief, until scientists developed the theory of plate tectonics, which explained the large-scale motions of Earth’s lithosphere, or outermost shell. Even with the acceptance of plate tectonics half a century ago, some Earth and space scientists have continued to speculate on Earth’s possible expansion or contraction on various scientific grounds.

Now a new NASA study, published recently in Geophysical Research Letters, has essentially laid those speculations to rest. Using a cadre of space measurement tools and a new data calculation technique, the team detected no statistically significant expansion of the solid Earth. (more…)

Astronomer Tom Gehrels, 1925-2011

By Guest PostJuly 14, 2011Scienceasteroids and comets, astronomer, astronomy, Britain, Chicago, dutch resistance, earth, England, gerard p kuiper, haarlemmermeer, harold masursky award, imaging photopolarimetry, jupiter, kitt peak, leiden university, nobel astrophysicist, saturn, saturn mysterious f ring, special operations executive, study of wavelength dependence of polarization of stars and planets, subrahmanyan chandrasekhar, the netherlands, tom gehrels, universal evolution, university of arizona, university of chicago

*In a career that spanned more than half a century, Gehrels fostered new research on asteroids and comets, including those that pose a threat to Earth.*

Tom Gehrels, an internationally noted planetary scientist and astronomer at the University of Arizona, as well as a hero of the Dutch Resistance during WWII, died Monday. He was 86.

Gehrels was among the first members of the fledgling Lunar and Planetary Laboratory when he joined the UA in 1961. During a long and distinguished career Gehrels pioneered new research on asteroids and comets, especially those that pose a collision threat to Earth. He also developed and taught introductory astronomy courses that were popular with non-science undergraduates. (more…)

The Netherlands Leads Europe in Online Visit Frequency

By Guest PostOctober 27, 20102 commentsTechnologyaol, Comscore, digital world, dutch internet users, european countries, Facebook, hyves, instant messaging, internet usage, media metrix, Microsoft, nedstat, Social networking, the netherlands, Twitter, wolf allisat, Yahoo

*Average Internet User in the Netherlands Spent Nearly 32 Hours Online in September 2010*

London, U.K., 27 October, 2010 – comScore, Inc., a leader in measuring the digital world, today released a study of internet usage in the Netherlands based on the comScore Media Metrix audience measurement service. The data revealed that the Netherlands ranked highest among European countries in terms of frequency of internet visitation with 78.2 visits per visitor in September 2010. Dutch internet users also exhibit strong engagement with an average of 31.9 hours per visitor spent online in September 2010. Users spent most of their time on Portals (7.2 hours), followed by Instant Messaging (6.9 hours), Social Networking (3.5 hours) and E-Mail (3.1 hours). (more…)

Holland Leaves Afghanistan. Who’s Next?

By PravdaAugust 3, 2010Politics3-d strategy, afghan war, afghanistan, Barack Obama, david cameron, dutch contingent, Holland, isaf, joseph blotz, kabul, mikhail saakashvili, military experience, nato, peter van uhm, talibs, the netherlands, uruzgan province

Holland became the first NATO member to complete its mission within the scope of the international anti-terrorist coalition in Afghanistan. Holland was controlling the Uruzgan province; now the control has been officially handed over to US and Australian forces.

(more…)

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