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In the 1980s, NASA's Voyager spacecraft measured regular pulses of radio waves coming from Saturn every 10 hours and 39 minutes. That was close to the rough rotation rate scientists have obtained by tracking the motion of Saturn's clouds, suggesting the pulse period is tied to the planet's rotation rate. !!Sound and Video links!! picked by drnothing 1 year ago tags Saturn metronome pulses solar wind rotation |
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Using the Sun Earth Connection Coronal and Heliospheric Investigation (SECCHI) instruments on board NASA's Solar Terrestrial Relations Observatory (STEREO) spacecraft, a consortium of scientists has seen, for the first time, large waves of solar material sweeping past Earth. picked by AutumnLotus 1 year ago 0 comments edit related share plime.com |
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Somewhere deep below Saturn’s cloud tops, the planet rotates at a constant speed. Determining this interior period of rotation has proven extremely complicated. Now, with new Cassini results, a team of European scientists have taken an important step forward. picked by AutumnLotus 1 year ago 0 comments edit related share plime.com |
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The planet Mercury's magnetic field appears to be strong enough to fend off the harsh solar wind from most of its surface, according to data gathered in part by a University of Michigan instrument onboard NASA's MESSENGER spacecraft. picked by AutumnLotus 11 months ago 0 comments edit related share science |
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A day on Saturn just got a few minutes shorter, if new calculations are correct. Using data collected by NASA's Cassini, Pioneer and Voyager spacecraft, scientists have revised the ringed planet's rotation period to 10 hours, 32 minutes and 35 seconds — about 15 minutes shorter than an estimate made only last year. picked by AutumnLotus 1 year ago 0 comments edit related share plime.com |
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Plasma astrophysicists at the University of Warwick have found that key information about the Sun's 'storm season' is being broadcast across the solar system in a fractal snapshot imprinted in the solar wind. picked by AutumnLotus 2 years ago 0 comments edit related share plime.com |
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Australian astronomers may have found a solution to how far-away Jupiter and Saturn drive the sun's solar cycle. Astronomer Dr Ian Wilson and colleagues suggest Jupiter and Saturn affect the sun's movement and its rotation, and hence its sunspot activity. picked by AutumnLotus 6 months ago 5 comments edit related share science |
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Sails to catch the Solar Wind has been a science-fiction staple for many years. The photons streaming from the sun do have a bit of pressure. It is tiny, but it adds up and in the vacuum of space it is sufficient to propel a vehicle. What's more the energy is free and unlimited. picked by 2manyusernames 6 months ago 1 comments edit related share science |
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A new study reveals solar flares cause seismic waves to ripple across the sun's surface. The findings will help scientists study other stars. picked by AutumnLotus 8 months ago 0 comments edit related share science |
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Saturn: jewel of the solar system, taker of breaths, ringed beauty. Even veteran astronomers can't help but gasp when they see her through a small telescope. 1 comments edit related share scienceRed Alert: Saturn's rings are vanishing. Around the world, amateur astronomers have noticed the change; Saturn's wide open rings are rapidly narrowing into a thin line. picked by AutumnLotus 10 months ago |
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A plethora of latest results from the Hinode solar observatory contains a wealth of new discoveries. This includes the discovery of a source of the slow solar wind and the observation of a superhot micro flare. picked by AutumnLotus 9 months ago 0 comments edit related share science |
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Two decades of scrutinizing Saturn are finally paying off, as scientists have discovered a wave pattern, or oscillation, in Saturn's atmosphere only visible from Earth every 15 years. picked by AutumnLotus 8 months ago 1 comments edit related share science |
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The solar wind, which whips off the sun and blows past Earth and through the solar system, is unleashed by powerful magnetic waves in electrically charged gas around the sun. picked by AutumnLotus 1 year ago 1 comments edit related share plime.com |
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Slushy geysers on Saturn's moon Enceladus erupt from fractures clustered around a hot spot at the satellite's south pole, scientists have now confirmed. Using NASA's Cassini spacecraft, researchers recorded the location of jet events on Enceladus for two years. picked by AutumnLotus 1 year ago 0 comments edit related share plime.com |
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By analyzing images from NASA's Cassini Radar instrument, a Brigham Young University professor helped discover and analyze mountains on Saturn's largest moon, additional evidence that it has some of the most earthlike processes of any celestial body in the solar system. picked by AutumnLotus 1 year ago 0 comments edit related share plime.com |
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An enormous plume of dust and water spurts violently into space from the south pole of Enceladus, Saturn's sixth-largest moon. This raging eruption has intrigued scientists ever since the Cassini spacecraft provided dramatic images of the phenomenon. picked by AutumnLotus 11 months ago 0 comments edit related share science |
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High resolution observations of Saturn's radio emissions have just been made public by NASA. Listen to NASA's Saturn radio emissions, then listen to the classic 1956 science fiction movie Forbidden Planet. The similarities are startling. picked by AutumnLotus 1 year ago 1 comments edit related share plime.com |
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NASA's Cassini spacecraft observes Saturn's electrical storm with lightning 10,000 more powerful than the lightning on Earth. The area, where the storm occured, was dubbed "Storm Alley." picked by maxriter 8 months ago 0 comments edit related share plime.com |
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Saturn's northern aurora glows bluish-green . 2 comments edit related share scienceThe planet's polar cloud patterns are in shades of red. Scientists say that the areas of auroral activity close to the pole shouldn't be there. picked by Bornbad 2 months ago |
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The latest mystery is the giant hexagon circling Saturn's north pole. Nothing like the hexagon has ever been seen at any other planet, with each of its sides nearly 7,500 miles (12,500 kilometers) across-big enough to fit nearly four Earths inside. picked by AutumnLotus 1 year ago 5 comments edit related share plime.com |
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Magnetic waves ripple through the Sun's outer atmosphere with enough energy to heat the region to its astonishing temperature of millions of degrees, new views from the Hinode spacecraft suggest. If correct, the waves could solve a decades-long puzzle about the source of this heat. Includes video. picked by AutumnLotus 1 year ago 0 comments edit related share plime.com |