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Keyword: earth

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  • These Earth Day predictions from 1970 never came true

    04/22/2016 5:10:54 PM PDT · by mandaladon · 28 replies
    Fox News ^ | 22 Apr 2016
    Back in 1970, when the world celebrated the first Earth Day, environmentalists were worried that without dramatic measures, the future would be catastrophic for the Earth and civilization. But their grim predictions haven’t come true, The Daily Caller News Foundation pointed out today, assembling a list of seven incorrect predictions of doom regarding the planet and civilization. The following are highlights from their list. The end of civilization within three decades Nobel laureate George Wald prophesied in 1970 that civilization would end “unless immediate action is taken against problems facing mankind,” The Daily Caller reported. Civilization is still here. Hundreds...
  • Earth could become hotter than thought, study warns (clouds influence not correctly accounted for)

    04/09/2016 9:40:29 AM PDT · by NormsRevenge · 67 replies
    Yahoo News ^ | 4/8/16 | AFP
    Washington (AFP) - Global warming could make the planet far hotter than currently projected because today's scientific models do not correctly account for the influence of clouds, researchers said this week. The study in the journal Science was led by researchers at Yale University and Lawrence Livermore National Laboratory. When climate scientists look ahead to how much the planet's surface temperature may warm up in response to a doubling of carbon dioxide -- a byproduct of fossil fuel burning -- they typically predict a rise of between 2.1 and 4.7 degrees Celsius (3.75 to 8.5 degrees Fahrenheit). But these models...
  • 'Laser Cloak' Could Hide Earth from Evil Aliens

    04/01/2016 1:05:26 AM PDT · by LibWhacker · 34 replies
    Space.com ^ | 3/31/16 | Sarah Lewin
    'Laser Cloak' Could Hide Earth from Evil Aliens A new paper describes how laser beams could disrupt measurements of Earth's orbit around the sun, potentially deceiving inquisitive aliens. Here, a 22W laser used for adaptive optics shines from the Very Large Telescope in Chile. Credit: ESO/G. Hüdepohl A simple laser beam could disrupt aliens' observations of Earth, making it look like there's nobody home on the third rock from the sun, a new study suggests. David Kipping, an astronomer at Columbia University in New York, said he first considered this idea when he heard about the strangely dimming star that...
  • Rare Jewel: Earth-like Planets May Be Very Rare

    02/29/2016 7:33:16 AM PST · by Salvation · 56 replies
    Archdiocese of Washington ^ | 02-28-16 | Msgr. Charles Pope
    Rare Jewel: Earth-like Planets May Be Very Rare Msgr. Charles Pope • February 28, 2016 • I have written a good bit over the years about what is known as the “Rare Earth” Hypothesis. A recent blog on discovermagazine.com ponders how high the odds are against the existence of another Earth-like planet. More on that in a moment. But first let’s review some of the basics of the Rare Earth Hypothesis.While most people, including most scientists, believe that there may be billions of inhabitable planets out there a capable of sustaining complex life, the Rare Earth Hypothesis suggests that...
  • The sky isn't moving, we are

    02/28/2016 10:02:43 PM PST · by LibWhacker · 20 replies
  • Exoplanet Census Suggests Earth Is Special after All

    02/20/2016 12:04:01 AM PST · by LibWhacker · 6 replies
    Scientific American ^ | 2/19/16 | Shannon Hall
    Exoplanet Census Suggests Earth Is Special after All A new tally proposes that roughly 700 quintillion terrestrial exoplanets are likely to exist across the observable universe--most vastly different from Earth By Shannon Hall on February 19, 2016 Share on Facebook Share on Twitter Share on Reddit Email Print Share via Google+Stumble Upon NASA/ESA/ESO Advertisement More than 400 years ago Renaissance scientist Nicolaus Copernicus reduced us to near nothingness by showing that our planet is not the center of the solar system. With every subsequent scientific revolution, most other privileged positions in the universe humans might have held dear have been...
  • 100-Foot Asteroid to Buzz Earth Next Month

    02/06/2016 2:42:17 AM PST · by LibWhacker · 32 replies
    Discovery ^ | 2/5/16 | Mike Wall
    An asteroid as long as a basketball court will give Earth a close shave next month — though scientists aren’t sure just how close. The near-Earth asteroid 2013 TX68, which is thought to be about 100 feet (30 meters) in diameter, will zoom past our planet on March 5. The space rock could come as close as 11,000 miles (17,700 kilometers) — less than 5 percent of the distance from Earth to the moon — or stay up to 9 million miles (14.5 million km) away during the flyby, NASA officials said. “The variation in possible closest-approach distances is due...
  • Wild new theory says Earth may actually be two different planets

    02/04/2016 10:21:30 AM PST · by Smittie · 64 replies
    BGR News ^ | 02/03/2016 | Chris Smith
    A new theory says Earth is made of two planets, rather than just one. Apparently, our planet is the result of a collision that helped map the course of both Earth as we know it and the moon. According to new research from the University of California, Earth and a hypothesized early planet called Theia collided, and the two planets fused together 4.5 billion years ago. That impact also formed our moon, Science Alert explains. The initial working theory was that the Earth and Theia only side-swiped each other, sending the moon into orbit and then flying away into space....
  • Expedition to drill to center of Earth ends without success

    02/03/2016 4:35:38 AM PST · by WhiskeyX · 49 replies
    Fox News ^ | February 01, 2016 | Fox News
    An international effort to drill into the floor of the Indian Ocean in an effort to reach below the Earth’s crust for the first has come up short. The expedition on the ship, the Joides Resolution, had set out to drill down to 4,265 feet in a stretch of ocean floor off Africa known as the Atlantis Bank gabbroic massif. Gabbro is an intrusive igneous rock that forms when magma is trapped beneath Earth's surface and cools slowly. But the researchers, who had been on the expedition since Nov. 30, were only able to drill down to 2,588 feet, according...
  • Cosmic Cycles, not Carbon Dioxide, Control Climate

    01/24/2016 8:32:58 AM PST · by Beave Meister · 26 replies
    The Heartland Institute ^ | 1/21/2016 | Viv Forbes
    Those who think the political war on carbon will cool the globe or keep climate stable need to study climate history. Temperatures on Earth dance to a cyclic rhythm every hour, every day, every month, every season, every year, and to every beat of the sun-spot and glacial cycles. The daily solar cycle causes continual changes in temperature for every spot on Earth. It produces the frosts at dawn, the mid-day heat and the cooling at sunset. It is regulated by rotation of the Earth. Superimposed on the daily solar cycle is the monthly lunar cycle, driven by the orbit...
  • How fast is the earth moving?

    01/09/2016 6:12:50 PM PST · by MtnClimber · 65 replies
    Scientific American ^ | 26 Oct, 1998 | Rhett Herman
    Consider the movement of the earth's surface with respect to the planet's center. The earth rotates once every 23 hours, 56 minutes and 4.09053 seconds, called the sidereal period, and its circumference is roughly 40,075 kilometers. Thus, the surface of the earth at the equator moves at a speed of 460 meters per second-or roughly 1,000 miles per hour. As schoolchildren, we learn that the earth is moving about our sun in a very nearly circular orbit. It covers this route at a speed of nearly 30 kilometers per second, or 67,000 miles per hour. In addition, our solar system--Earth...
  • 21 amazing photos that show what life is like in the coldest inhabited town on Earth

    12/12/2015 7:40:51 PM PST · by Libloather · 92 replies
    MSN ^ | 12/12/15
    **SNIP** How do locals deal with the extreme cold? "Russki chai, literally Russian tea, which is their word for vodka," Chapple told the Weather Channel.
  • Obama urges world action on climate change: No nation ‘immune’ to global warming

    12/01/2015 2:48:16 AM PST · by Cincinatus' Wife · 40 replies
    Washington Post ^ | December 1, 2015 | Steven Mufson and Joby Warrick
    PARIS - President Obama joined leaders from 150 nations on Monday in pledging action against climate change, kicking off a historic two-week gathering that Obama called a "turning point" in the battle against one of humanity’s gravest threats. ...."The growing threat of climate change could define the contours of this century more dramatically than any other," Obama said in a speech at the Le Bourget conference center in Paris’s industrial outskirts. "What should give us hope that this is a turning point, that this is the moment we finally determined we would save our planet." Obama, who has staked his...
  • Clean Power Plan Allows Government to Control Our Lives

    11/30/2015 4:57:43 PM PST · by Kaslin · 5 replies
    Townhall.com ^ | November 30, 2015 | Bud Brigham
    I've been blessed to contribute and participate in our country's oil and gas renaissance, which has helped to lower energy prices. It is rewarding to know this benefits the poor and middle class the most, facilitating job creation while creating more discretionary income. At my roots I'm a geoscientist, having studied geology and geophysics at the University of Texas. Part of my job is modeling what's under the surface in an attempt to predict where the oil and gas deposits are. In my profession I'm continually frustrated by the lack of knowledge and flagrant misinformation being perpetuated about the...
  • COP21: 2 Degrees from Total Absurdity

    11/30/2015 3:55:57 PM PST · by Kaslin · 23 replies
    Townhall.com ^ | November 30, 2015 | J.D. King
    resident Obama recently agreed that climate change is indeed akin to cancer:"I'm just saying, people. You don't want to get to stage four," he said. "We all have a huge investment in making sure our children, our grandchildren are able to enjoy prosperity, and that's dependent on a planet that accommodates us."President Obama was speaking in anticipation of COP21 the next big global climate change conference, starting November 30 in Paris, where world leaders will soon attempt to set global carbon dioxide emissions reduction targets. If the planet warms just 2 degrees C, delegates warn, the globe will be doomed...
  • Over A Thousand Years Ago, The Sun Exploded — And Changed Life On Earth Forever

    11/16/2015 7:03:45 AM PST · by blam · 34 replies
    BI - Slate ^ | 11-16-2015 | Phil Plait
    Phil PlaitNovember 16, 2015 A new study says that violent space weather that could cost $2 trillion in damage is more common than previously thought In the years 774 and 993, the Earth was attacked from space. Not by aliens, but by a natural event—and it was very, very powerful. Whatever it was, it subtly altered the chemistry of our planet’s atmosphere, creating trace amounts of radioactive elements like chlorine-36, beryllium-10, and carbon-14. And those provide the clue to what the event was: Those isotopes are created when high-energy protons slam into our air. That means the source must have...
  • If the Moon were replaced with some of our planets (at night) 4k

    10/30/2015 5:58:22 AM PDT · by WhiskeyX · 5 replies
    YouTube ^ | May 2, 2013 | yeti dynamics
    This is a visualization of what it might be like if the Moon was replaced with some of the other planets at the same distance as our moon. Planets Rendered in 4K resolution! On Change Quality click on "original" to view in 4k. You need a 4k Monitor to watch. otherwise just watch in 1080p or lower
  • If the Moon were replaced with some of our planets

    10/29/2015 10:21:16 AM PDT · by WhiskeyX · 34 replies
    YouTube ^ | Jan 10, 2013 | yeti dynamics
    This is a visualization of what it might be like if the Moon was replaced with some of the other planets at the same distance as our moon
  • Why Earth is so much bigger than Mars: Rocky planets formed from 'pebbles'

    10/27/2015 11:47:58 AM PDT · by JimSEA · 9 replies
    Science Daily ^ | 10/27/2015 | Southwest Research Institute
    Using a new process in planetary formation modeling, where planets grow from tiny bodies called "pebbles," Southwest Research Institute scientists can explain why Mars is so much smaller than Earth. This same process also explains the rapid formation of the gas giants Jupiter and Saturn, as reported earlier this year. "This numerical simulation actually reproduces the structure of the inner solar system, with Earth, Venus, and a smaller Mars," said Hal Levison, an Institute scientist at the SwRI Planetary Science Directorate. He is the first author of a new paper published in the Proceedings of the National Academy of Sciences...
  • Life on Earth likely started 4.1 billion years ago (shortened title)

    10/19/2015 3:04:57 PM PDT · by JimSEA · 83 replies
    Science Daily ^ | 10/19/2015 | UCLA Staff
    UCLA geochemists have found evidence that life likely existed on Earth at least 4.1 billion years ago -- 300 million years earlier than previous research suggested. The discovery indicates that life may have begun shortly after the planet formed 4.54 billion years ago. The graphite is older than the zircon containing it, the researchers said. They know the zircon is 4.1 billion years old, based on its ratio of uranium to lead; they don't know how much older the graphite is.The carbon contained in the zircon has a characteristic signature -- a specific ratio of carbon-12 to carbon-13 -- that...