Researchers have produced new evidence that lunar swirls -- wispy bright regions scattered on the moon's surface -- were created by several comet collisions over the last 100 million years.
via Science Daily
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Monday, 1 June 2015
Crashing comets may explain mysterious lunar swirls
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Researchers have produced new evidence that lunar swirls -- wispy bright regions scattered on the moon's surface -- were created by several comet collisions over the last 100 million years.
via Science Daily
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Researchers have produced new evidence that lunar swirls -- wispy bright regions scattered on the moon's surface -- were created by several comet collisions over the last 100 million years.
via Science Daily
Zazzle Space Exploration market place
Nanoscale ‘worms’ provide new route to nano-necklace structure
original post »
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Researchers have developed a novel technique for crafting nanometer-scale necklaces based on tiny star-like structures threaded onto a
The post Nanoscale ‘worms’ provide new route to nano-necklace structure has been published on Technology Org.
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Thin coating on condensers could make power plants more efficient
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Most of the world's electricity-producing power plants -- whether powered by coal, natural gas, or nuclear fission -- make electricity by generating steam that turns a turbine. That steam then is condensed back to water, and the cycle begins again. But the condensers that collect the steam are quite inefficient, and improving them could make a big difference in overall power plant efficiency. A thin coating on condensers could make power plants more efficient, scientists now report.
via Science Daily
Most of the world's electricity-producing power plants -- whether powered by coal, natural gas, or nuclear fission -- make electricity by generating steam that turns a turbine. That steam then is condensed back to water, and the cycle begins again. But the condensers that collect the steam are quite inefficient, and improving them could make a big difference in overall power plant efficiency. A thin coating on condensers could make power plants more efficient, scientists now report.
via Science Daily
Circular orbits of small exoplanets: Which Earth-sized exoplanets are potentially habitable?
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Viewed from above, our solar system's planetary orbits around the sun resemble rings around a bulls-eye. Each planet, including Earth, keeps to a roughly circular path, always maintaining the same distance from the sun. For decades, astronomers have wondered whether the solar system's circular orbits might be a rarity in our universe. Now a new analysis suggests that such orbital regularity is instead the norm, at least for systems with planets as small as Earth.
via Science Daily
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Viewed from above, our solar system's planetary orbits around the sun resemble rings around a bulls-eye. Each planet, including Earth, keeps to a roughly circular path, always maintaining the same distance from the sun. For decades, astronomers have wondered whether the solar system's circular orbits might be a rarity in our universe. Now a new analysis suggests that such orbital regularity is instead the norm, at least for systems with planets as small as Earth.
via Science Daily
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Global warming means fewer—but more powerful—hurricanes
Science Focus
original post »Hurricanes, and tropical cyclones more generally, are dangerous forces of nature that damage even the most well-developed societies. In the US, the devastation caused by hurricanes can last for years. When it comes to the conditions required for hurricanes to develop, some scientists are concerned that an increase in ocean warmth caused by climate change could have unforeseen consequences. But there has been debate over precisely what those consequences will be. Fewer or more hurricanes? Greater hurricane strength?
A team of scientists has performed a new exploration of the global tropical cyclone response to ocean warming. This study specifically examines the frequency, intensity, and activity of cyclones with a lifetime-maximum wind speed exceeding 17 m/s (about 37 mph—well below the 75 mph threshold for a category 1 hurricane).
The scientists analyzed the influence of the Southern Oscillation Index (SOI), which indicates naturally fluctuating ocean temperatures in the equatorial pacific (El Niño), as well as the overall sea surface temperature (SST), which indicates global ocean warmth. Overall, the global mean SST has increased by 0.3°C over the past 30 years.
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» see original post http://feeds.arstechnica.com/~r/arstechnica/science/~3/EzUUDFtC5Ow/
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Defects Can “Hulk-Up” Materials
Science Focus
original post »In the story of the Marvel Universe superhero known as the Hulk, exposure to gamma radiation transforms scientist
The post Defects Can “Hulk-Up” Materials has been published on Technology Org.
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» see original post http://feedproxy.google.com/~r/TechnologyOrgPhysicsNews/~3/Rcbc_VErNFk/
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Mostly Mute Monday: Sunsets from Space (Synopsis)
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“Lost — yesterday, somewhere between sunrise and sunset, two golden hours, each set with sixty diamond minutes. No reward is offered, for they are gone forever.” –Horace Mann
The beauty of a sunset (or sunrise) is rare and unique, happening but once a day for those of us on Earth. But aboard a spacecraft like the ISS, these are sights that happen sixteen times a day.
Image credit: NASA / Karen Nyberg / ISS Expedition 36/37.
And while we’re used to dramatic, slow sunsets where it takes between two and three minutes simply for the Sun’s disk to drop below the horizon, it takes mere seconds for the Sun to go from a barely-visible red glow to a brilliant, blinding white. In the space of a few breaths, the entire thing is over, a sight that only around 500 people have ever experienced firsthand.
Images credit: NASA Earth Observatory / STS-107 / Space Shuttle Columbia; stitching by E. Siegel. (Astronaut photographs STS107-E-05072,STS107-E-05075, and STS107-E-05080.)
Come get the story of sunsets (and sunrises) in space on Mostly Mute Monday!
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Monogram - Emission Nebula NGC 2467 in Puppis Classic Round Sticker
Here's a great sheet of stickers featuring a beautiful image from deep space
tagged with: envelope sealers, galaxies and stars, sculptured gas clouds, enebicp, constellation puppis, ngc 2467, the stern, hot young stars, star incubator, monogram initials
Galaxies, Stars and Nebulae series A colourful star-forming region is featured in this stunning image of NGC 2467 located in the southern constellation of Puppis (The Stern). Looking like a roiling cauldron of some exotic cosmic brew, huge clouds of gas and dust are sprinkled with bright blue, hot young stars. Strangely shaped dust clouds, resembling spilled liquids, are silhouetted against a colourful background of glowing gas. Like the familiar Orion Nebula, NGC 2467 is a huge cloud of gas, mostly hydrogen, that serves as an incubator for new stars. Some of these youthful stars have emerged from the dense clouds where they were born and now shine brightly, hot and blue in this picture, but many others remain hidden.
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image code: enebicp
Image credit: NASA/ESA Hubble Space Telescope.
»visit the HightonRidley store for more designs and products like this
Click to customize.
via Zazzle Astronomy market place
tagged with: envelope sealers, galaxies and stars, sculptured gas clouds, enebicp, constellation puppis, ngc 2467, the stern, hot young stars, star incubator, monogram initials
Galaxies, Stars and Nebulae series A colourful star-forming region is featured in this stunning image of NGC 2467 located in the southern constellation of Puppis (The Stern). Looking like a roiling cauldron of some exotic cosmic brew, huge clouds of gas and dust are sprinkled with bright blue, hot young stars. Strangely shaped dust clouds, resembling spilled liquids, are silhouetted against a colourful background of glowing gas. Like the familiar Orion Nebula, NGC 2467 is a huge cloud of gas, mostly hydrogen, that serves as an incubator for new stars. Some of these youthful stars have emerged from the dense clouds where they were born and now shine brightly, hot and blue in this picture, but many others remain hidden.
more items with this image
more items in the Galaxies, Stars and Nebulae series
image code: enebicp
Image credit: NASA/ESA Hubble Space Telescope.
»visit the HightonRidley store for more designs and products like this
Click to customize.
via Zazzle Astronomy market place
Seeing tubular plasma structures in inner layers of magnetosphere surrounding Earth
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Astronomers have creatively used a radio telescope to see in 3-D, allowing them to detect the existence of tubular plasma structures in the inner layers of the magnetosphere surrounding the Earth.
via Science Daily
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Astronomers have creatively used a radio telescope to see in 3-D, allowing them to detect the existence of tubular plasma structures in the inner layers of the magnetosphere surrounding the Earth.
via Science Daily
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Star Making Region iPad Mini Cases
Here's a great iPad case from Zazzle featuring a Hubble-related design. Maybe you'd like to see your name on it? Click to personalize and see what it's like!
tagged with: space, stars, astronomy, hubble
This is a beautiful public domain picture from Hubble.
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The Zazzle Promise: We promise 100% satisfaction. If you don't absolutely love it, we'll take it back!
tagged with: space, stars, astronomy, hubble
This is a beautiful public domain picture from Hubble.
»visit the Masque_du_Geeque store for more designs and products like this
The Zazzle Promise: We promise 100% satisfaction. If you don't absolutely love it, we'll take it back!
A head start for planet formation? Evidence of large dust grains in star-forming regions
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A group of Victoria-based scientists have made a discovery suggesting that the building blocks of planets may form earlier than previously thought. UVic astronomer, Mike Chen, presented the group's research at a Canadian Astronomical Society's conference on May 25th.
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A group of Victoria-based scientists have made a discovery suggesting that the building blocks of planets may form earlier than previously thought. UVic astronomer, Mike Chen, presented the group's research at a Canadian Astronomical Society's conference on May 25th.
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Distant moons may provide evidence of life beyond Earth, researchers say
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Is there life beyond Earth? The answer to that age-old question may be on a moon we can't yet see.
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Is there life beyond Earth? The answer to that age-old question may be on a moon we can't yet see.
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The winds of Mars
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Space Science Image of the Week: Strong winds whip dust and sand from the martian surface into a frenzy, shaping and smoothing the planet’s surface features
via ESA Space Science
http://www.esa.int/spaceinimages/Images/2015/06/The_effect_of_the_winds_of_Mars
Space Science Image of the Week: Strong winds whip dust and sand from the martian surface into a frenzy, shaping and smoothing the planet’s surface features
via ESA Space Science
http://www.esa.int/spaceinimages/Images/2015/06/The_effect_of_the_winds_of_Mars
Faster, smaller, more informative
original post »
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A new technique invented at MIT can measure the relative positions of tiny particles as they flow through
The post Faster, smaller, more informative has been published on Technology Org.
#materials
See Zazzle gifts tagged with 'science'
Pillars Of Creation Poster
Here's a great poster featuring a beautiful image from deep space
tagged with: m16, eagle nebula, pillars of creation, nebula, astronomy, nasa, hubble, space, telescope, creation, stars, galaxy, big bang, 2014, clouds, hubble space telescope, deep space, phenomena, outter space
This dramatic image was made by the Hubble Space Telescope in 2014. It is a section of the Eagle Nebula named The Pillars Of Creation by the Hubble imaging team.
»visit the UngodlySpeaking store for more designs and products like this
Click to customize with size, paper type etc.
via Zazzle Astronomy market place
tagged with: m16, eagle nebula, pillars of creation, nebula, astronomy, nasa, hubble, space, telescope, creation, stars, galaxy, big bang, 2014, clouds, hubble space telescope, deep space, phenomena, outter space
This dramatic image was made by the Hubble Space Telescope in 2014. It is a section of the Eagle Nebula named The Pillars Of Creation by the Hubble imaging team.
»visit the UngodlySpeaking store for more designs and products like this
Click to customize with size, paper type etc.
via Zazzle Astronomy market place
Monogram, Witch Head Nebula deep space image Classic Round Sticker
Here's a great sheet of stickers featuring a beautiful image from deep space
tagged with: monogram initials, star galaxies, outer space picture, deep space astronomy, witch head nebula, cursing witch, nasa space photograph, faces in space, witches curse, hrbstslr wtchneb, screaming witch
Galaxies, Stars and Nebulae series A witch appears to be screaming out into space in this image from NASA's Wide-Field Infrared Survey Explorer, or WISE. The infrared portrait shows the Witch Head nebula, named after its resemblance to the profile of a wicked witch. Astronomers say the billowy clouds of the nebula, where baby stars are brewing, are being lit up by massive stars. Dust in the cloud is being hit with starlight, causing it to glow with infrared light, which was picked up by WISE's detectors.
The Witch Head nebula is estimated to be hundreds of light-years away in the Orion constellation, just off the famous hunter's knee.
WISE was recently "awakened" to hunt for asteroids in a program called NEOWISE. The reactivation came after the spacecraft was put into hibernation in 2011, when it completed two full scans of the sky, as planned.
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more items in the Galaxies, Stars and Nebulae series
image code: wtchneb
Image credit: NASA/JPL-Caltech
»visit the HightonRidley store for more designs and products like this
Click to customize.
via Zazzle Astronomy market place
tagged with: monogram initials, star galaxies, outer space picture, deep space astronomy, witch head nebula, cursing witch, nasa space photograph, faces in space, witches curse, hrbstslr wtchneb, screaming witch
Galaxies, Stars and Nebulae series A witch appears to be screaming out into space in this image from NASA's Wide-Field Infrared Survey Explorer, or WISE. The infrared portrait shows the Witch Head nebula, named after its resemblance to the profile of a wicked witch. Astronomers say the billowy clouds of the nebula, where baby stars are brewing, are being lit up by massive stars. Dust in the cloud is being hit with starlight, causing it to glow with infrared light, which was picked up by WISE's detectors.
The Witch Head nebula is estimated to be hundreds of light-years away in the Orion constellation, just off the famous hunter's knee.
WISE was recently "awakened" to hunt for asteroids in a program called NEOWISE. The reactivation came after the spacecraft was put into hibernation in 2011, when it completed two full scans of the sky, as planned.
more items with this image
more items in the Galaxies, Stars and Nebulae series
image code: wtchneb
Image credit: NASA/JPL-Caltech
»visit the HightonRidley store for more designs and products like this
Click to customize.
via Zazzle Astronomy market place
Orion Nebula iPad Folio Case
Here's a great iPad case from Zazzle featuring a Hubble-related design. Maybe you'd like to see your name on it? Click to personalize and see what it's like!
tagged with: orion, nebula, space, image, nasa, hubble, astronomy, pink
A lovely detail of an image of the Orion Nebula thanks to NASA/Hubble.
»visit the annaleeblysse store for more designs and products like this
The Zazzle Promise: We promise 100% satisfaction. If you don't absolutely love it, we'll take it back!
tagged with: orion, nebula, space, image, nasa, hubble, astronomy, pink
A lovely detail of an image of the Orion Nebula thanks to NASA/Hubble.
»visit the annaleeblysse store for more designs and products like this
The Zazzle Promise: We promise 100% satisfaction. If you don't absolutely love it, we'll take it back!
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