MAVEN Mission Briefing Solar Wind Strips Martian Atmosphere
To answer the question, what happened to the Mars atmosphere, I ll quote Bob Dylan The answer my friend, is blowin' in the wind Mars has something in common with the Earth and the other planets and that of course is the influence of the Sun. As you see in both of these graphics, all of the planets Mars and Earth and the others included are impinged upon by this flow of charged particles from the Sun we call the solar wind. These charged particles stream out from the Sun at about a million miles an hour,.
And they impact all of the planets in our solar system. Now the Earth and Mars have something that is very different, however. As you see on the right panel of this graphic, the Earth has a strong global magnetic field, and that magnetic field largely shields its atmosphere from the direct impact of the solar wind. On the left, on the other hand, Mars has no such global magnetic field and its upper atmosphere lies completely exposed to the solar wind. As a result the solar wind can interact with that upper atmosphere and strip portions of.
It away into space. We are looking at the solar wind as it hits the mars atmosphere, and it also carries a magnetic field with it. The moving magnetic field will generate an electric field in the upper direction in this tutorial. This will cause planetary ice to move and escape from Mars. Most of the stripping by the solar wind at Mars was thought to have taken place very early in the history of the solar system when the Sun was much more active, when the solar wind was more intense.
So today the rate of loss at Mars is low. Today's planet is a cold, dry, desertlike environment. The atmosphere is thin. It's not capable of sustaining liquid water at the surface today, it would either freeze or evaporate very quickly. However, when we look at ancient Mars, we see a different type of surface. One that had valleys that look like they're carved by water, lakes that were standing for long periods of time. We see an environment that was much more able to support liquid water. The NASA Mars Exploration Program has been focused on finding water.
Water is the prime ingredient needed for life. It is a major factor in the climate and shaping geology. and it is a critical resource for future human exploration. Can the same kinds of things happen to Earth now or in the future, and the answer is mostly yes. Earth is losing atmospheric particles, but as Jasper said, Earth has a big global magnetic field that shields the atmosphere from the solar wind. So some method, some pathways that particles can take to escape the atmosphere of Earth are basically choked off compared to Mars.
TATS 2MIN NEWS November 24, 2013 COMETS ISON IN THE SOLAR WIND
CHANCE OF FLARES NOAA forecasters estimate a 25 chance of Mclass solar flares today. The most likely blastsites sunspots AR1904 and AR1905 are not, however, facing Earth. Any eruptions this weekend will probably miss our planet. Solar flare alerts text, voice COMETS IN THE SOLAR WIND NASA's STEREOA spacecraft is monitoring Comet ISON as it approaches the sun for a close encounter on Nov. 28th. The latest movie from the spacecraft's Heliospheric Imager captures not only Comet ISON but also Earth, Mercury, and Comet Encke. to set the scene in motion.
In the movie, which spans a two day period from Nov. 19 to Nov. 22, the sun is to the right, offscreen. The dark 'clouds' coming from that direction are density enhancements in the solar wind, and these are what are causing the ripples you see in the comet tails, explains Karl Battams of NASA's Comet ISON Observing Campaign. Although the two comets seem to be experiencing the same solar wind, their tails ripple differently. Encke has kind of long waves in the tail, whereas ISON's seems almost like highfrequency puffs, points out Battams.
Appearances notwithstanding, the two comets might be in two different streams of solar wind. The most likely explanation is that ISON is in a faster stream, he comntinues. Imagine holding a flag on a slightly breezy day. The flag will waft gently in the breeze. Now imagine holding it in really strong winds. The flag will be rippling violently, but those ripples will be smaller in amplitude. Battams also suggests a second, more speculative possibility. You can read about it here. Realtime Comet ISON Photo Gallery COMET ISON, T4 DAYS Comet ISON is now only 4 days from perihelion. On Nov, 28th, Thanksgiving.
Day in the USA, it will fly through the sun's atmosphere little more than a million kilometers above the surface of the sun. At closest approach, the temperature of ISON's core could rise as high as 5000o Fahrenheitan existential challenge for an icy comet. No one knows if it will survive. As the final countdown ticks to zero, photographers are taking some marvelous parting shots. Here is Comet ISON plunging into the sunrise beside Mt. Fuji on Nov. 22nd Japanese photographer Kagaya took the picture using a Canon EOS 1D C digital camera. This.
AnheuserBusch brewing up some wind, solar power
DOZENS OF RESIDENTS ARE OPPOSED TO THIS PLAN AND SIGN THE PETITION TO STOP IT. HARNESSING THE POWER OF WIND. THEY CAN DO A LOT MORE THAN COOL US OFF. BRIAN HICKEY IS LIVE IN FAIRFIELD, WHERE ANHEUSERBUSCH IS PLANNING TO INSTALL ANOTHER POWERGENERATING WIND TURBINE YOU CANNOT BLAME THEM. I HAVE A 10 MILEPERHOUR WIND THIS AFTERNOON. THEY ARE CAPTURING THAT WENT BACK THERE. YOU MIGHT SEE THAT AS YOU HAVE DRIVEN BY HERE. BUDWEISER, AS THEY ARE DUBBED. NOW WE ARE INTRODUCING YOUTUBE TO BUD LITE, SITTING ON THE.
GROUND. THAT IS ABOUT TO CHANGE AS THEY INSTALL THEIR SECOND WHEN THE WIND TURBINE WHAT ARE YOU DOING HOW MUCH ELECTRICITY THIS, COMBINED WITH WIND 1, WILL COMBINE FOR 4.1 MEGAWATTS. PUT THAT IN TERMS OF BEER. AN AVERAGE OF 33,000 CASES OF BEER PER DAY. ALL FROM ALTERNATIVE ENERGY ALL FROM RENEWABLE ENERGY. IT WILL BE ENOUGH TO POWER 30. THIS IS BIGGER THAN BUDWEISER YES. THE SECOND TURBINE WILL STAND TO THE TIP OF '7 FEET TALL. WHAT YOU ARE SEEING NOW IS THE TOWER IS BEING CLEANED AND ROLLE.
No, Solar Panels Dont Suck Up All The Suns Sun Juice
Gtgt THERE ARE A LOT OF NEW FORMS OF ENERGY THAT ARE ACTUALLY GROWING ALL ACROSS THE COUNTRY. WIND, SOLAR, AND TO BE FAIR TO WOODLAND IN NORTH CAROLINA, THEY HAVE DONE THIS SEVERAL TIMES, THEY HAVE THREE SOLAR FARMS THAT THEY APPROVED IN THE WOODLAND TOWN COUNCIL SO FAR. A FOURTH ONE HAD COME UP, THAT IS WHERE WE RAN INTO SOME ISSUES. SOME CONSTITUENTS CAME IN AND ARGUED, AND TO BE FAIR TO THE LEGISLATORS, THEY DID NOT MAKE THESE ARGUMENTS, CONSTITUENTS DID. LET ME QUOTE THE ROANOKECOWAN NEWS HERALD.
Gtgt I ALMOST MADE IT AN ENTIRE HOUR WITHOUT THE COUGH, HOLD ON. gtgt ALMOST. gtgtHERE IS WHAT I AM SURE OF, THERE IS NO BROWN VEGETATION NEAR THE SOLAR PANEL, BECAUSE THE SOLAR PANEL IS SUCKING UP THE OTHER PHOTOSYNTHESIS FROM THE AREA. OH NO, YOU SUNLIGHT, YOU ARE NOT GOING OVER THERE. THE SOLAR PANEL IS GRABBING YOU. THE SOLAR PANELS FOR THE SUNLIGHT THAT HITS THE SOLAR PANEL. JANE MANN CONTINUED gtgt SCIENTISTS COULD TELL YOU, AND YOU ARE A FORMER SCIENCE TEACHER. I COULD TELL YOU. BUT APPARENTLY YOU WOULDN'T LISTEN,.
SO MAYBE WE SHOULDN'T WASTE OUR BREATH. BOBBY MANN, ANOTHER FAMILY MEMBER, CAME WITH HER, AND HE HAD ANOTHER THEORY gtgtTHOSE ARE TWO DIFFERENT THEORIES, TO BE FAIR, PUT BIZARRELY IN THE SAME SENTENCE. I DON'T KNOW WHY BUSINESSES WOULD NOT COME TO WOODLAND IF THERE WERE SOLAR PANELS, I DON'T UNDERSTAND THAT ALL. THEY ALSO CLAIMED, OTHER CONSTITUENTS DID, THAT THE SOLAR PANELS WERE DRIVING THE YOUNG CITIZENS OF WOODLAND AWAY. I DID NOT KNOW MILLENNIALS WERE ANTISOLAR PANELS. I HAD NO IDEA. I DID NOT KNOW THAT THE YOUNG OF WOODLAND.
WERE PERHAPS VAMPIRES AND DID NOT LIKE SOLAR PANELS BRINGING IN ALL THAT SUN. BUT THE FIRST PART OF HIS THEORY I'M FAIRLY POSITIVE ABOUT. HE SAID THE SOLAR FARMS WOULD SUCK UP ALL THE ENERGY FROM THE SUN. I AM SURE THE SUN IS GOING TO BE OKAY. COMPANY REPRESENTATIVES HAD TO COME IN, THIS IS STRATA SOLAR COMPANY ARGUING FOR THE SOLAR FARM, AND THEY HAD TO BOTHER SAYING THIS gtgt THEY ONLY DRAW THE SUNLIGHT THAT FALLS ON THEM. gtgt THEY HEARD FROM CONCERNED CONSTITUENTS WHO APPEARED TO NOT.
HAVE THEIR SCIENCE EXACTLY RIGHT, AND THEY HEARD FROM COMPANY REPRESENTATIVES, TO BE FAIR, BUT ALSO THE SCIENCE ON THIS IS NOT OVERLY COMPLICATED. I AM PRETTY SURE THE SUN HAS NOT BEEN DRAINED OF ALL ITS ENERGY BECAUSE OF SOLAR PANELS. HOW DID THE VOTE COME OUT THE VOTE ON THE SOLAR PANELS THIS TIME AROUND, 31 AGAINST. SORRY, NO MORE SOLAR PANELS IN WOODLAND COUNTY, OR WOODLAND TOWN. THOSE ARGUMENTS WERE PERSUASIVE. gtgt OKAY, WELL, THANK GOD WOODLAND TOWN DID NOT PUT UP ANY MORE SOLAR PANELS, OTHERWISE NONE OF US MIGHT BE ABLE TO USE.
The Worlds Largest Wind Farm Chinas Future MEGAPROJECTS Part 6
By now you're seeing the trend here the world's biggest city, the world's longest canal, biggest airport, longest high speed rail network and underwater tunnel. So the fact that China is building the world's largest Wind Power Farm too shouldn't surprise you. The Gansu Wind Farm Project will produce 20 Gigawatts of power by 2020, and will cost nearly $20 billion to build. Turbines are going up at the staggering rate of 35 per day across the three areas that make up the power base. In 2012, Gansu's capacity surpassed the total windgeneratedelectricity produced by all of the United Kingdom, and it's just.
The largest of six megawind farms currently under construction throughout China. But China isn't embracing wind just to reduce its carbon emissions, it's doing everything it can to simply keep the lights on. Some parts of the country with booming middle class populations suffer persistent electricity shortages because, just like us, people want refrigerators, dishwashers, washer and dryers, and computers in their homes, but there's only so much energy to go around. So China's State Council is pushing for an acrosstheboard renewable strategy to reduce its dependence on oil, coal and gas, the finite resources of the 20th century whose.
Extraction and consumption are subject to constant geopolitical tensions. Since 2013, China has led the world in renewable energy production, with a total capacity of 378 installed Gigawatts, coming from projects as wideranging as Gansu to hydroelectric power plants like the Three Gorges Dam, which spans the Yangtze River and is the world's largest power station of any kind. In just the last 10 years, China has increased its solar panel production 100fold to become the world's leading manufacturer of the technology. With China now pumping more CO2 into the atmosphere than the number two and three emitting countries.
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