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Keyword: planetx

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  • Were Mercury and Mars separated at birth?

    01/19/2009 3:32:30 PM PST · by SunkenCiv · 25 replies · 542+ views
    New Scientist ^ | Monday, January 19, 2009 | unattributed
    Line up Mercury, Venus, Earth and Mars according to their distance from the sun and you'll see their size distribution is close to symmetrical, with the two largest planets between the two smallest. That would be no coincidence -- if the pattern emerged from a debris ring around the sun. Brad Hansen of the University of California, Los Angeles, built a numerical simulation to explore how a ring of rocky material in the early solar system could have evolved into the planets. He found that two larger planets typically form near the inner and outer edges of the ring, corresponding...
  • Are Jupiters Hard to Come By?

    08/12/2008 10:01:25 AM PDT · by SunkenCiv · 6 replies · 110+ views
    Sky and Telescope 'blogs ^ | July 11, 2008 | Camille M. Carlisle
    Using the new Combined Array for Research in Millimeter Astronomy (CARMA), Eisner and his colleagues observed more than 250 stars in Orion's central region and found that less than 8% had dust disks thought massive enough to create a Jupiter. The radiation from hot, massive stars in the cluster probably clears out a lot of surrounding material and keeps high-mass disks from forming, explains co-author John Carpenter (Caltech). In all, about 10% of the observed stars emit radiation associated with warm dust disks. The results agree almost perfectly with findings by Geoff Marcy (UC Berkeley) and his colleagues, who conclude...
  • Search Narrows For Planet Nine

    02/25/2016 8:57:45 AM PST · by LibWhacker · 32 replies
    Universe Today ^ | 2/25/16 | Bob King
    Based on a careful study of Saturn's orbit and using mathematical models, French scientists were able to whittle down the search region for Planet Nine to "possible" and "probable" zones. Source: CNRS, Cote d'Azur and Paris observatories. Created by the author Astronomy, Cassini, Planet News, Solar SystemSearch Narrows For Planet Nine 25 Feb , 2016 by Bob King An imagined view from Planet Nine looking back toward the Sun. Astronomers think the massive, distant planet is gaseous, similar to the other giant planets in our Solar System. Credit: Wikipedia Last month, planetary scientists Mike Brown and Konstantin Batygin of...
  • Don't Blame 'Planet Nine' for Earth's Mass Extinctions

    01/26/2016 8:03:21 AM PST · by BenLurkin · 24 replies
    space.com ^ | 01/25/2016 | mike wall
    Planet Nine - a newly proposed but not yet confirmed world perhaps 10 times more massive than Earth that's thought to orbit far beyond Pluto — probably could not have triggered such "death from the skies" events, researchers said. Planet Nine likely has an elliptical orbit, coming within 200 to 300 astronomical units (AU) of the sun at its closest approach and getting as far away as 600 to 1,200 AU, Brown said. (One AU is the distance from Earth to the sun - about 93 million miles, or 150 million kilometers). Neptune orbits about 30 AU from the sun,...
  • Researchers find evidence of a real ninth planet

    01/20/2016 7:52:49 PM PST · by Utilizer · 31 replies
    Phys.org ^ | January 20, 2016 | Kimm Fesenmaier
    Caltech researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth and orbits about 20 times farther from the sun on average than does Neptune (which orbits the sun at an average distance of 2.8 billion miles). In fact, it would take this new planet between 10,000 and 20,000 years to make just one full orbit around the sun. The researchers, Konstantin Batygin and Mike Brown, discovered the planet's existence through mathematical modeling...
  • Ninth Planet May Exist in Solar System Beyond Pluto, New Evidence Suggests

    01/20/2016 12:01:57 PM PST · by presidio9 · 50 replies
    The New York Times ^ | JAN. 20, 2016 | KENNETH CHANG
    There might be a ninth planet in the solar system after all - and it is not Pluto. Two astronomers reported on Wednesday that they had compelling signs of something bigger and farther away — something that would definitely satisfy the current definition of a planet, where Pluto falls short. "We are pretty sure there's one out there," said Michael E. Brown, a professor of planetary astronomy at the California Institute of Technology. What Dr. Brown and a fellow Caltech professor, Konstantin Batygin, have not done is actually find that planet, so it would be premature to revise mnemonics of...
  • There's a ninth planet in our solar system - we just can't see it yet, study says

    01/20/2016 1:43:51 PM PST · by BenLurkin · 39 replies
    l a times ^ | 01/20/2016 | amina khan
    Scientists have been wondering whether a "Planet X" exists in the dim regions far beyond the known planets, but it has remained largely speculative.... That started to change in March 2014, when a pair of astronomers announced that they’d discovered a brand-new dwarf planet, 2012 VP113, beyond the well-populated edge of the Kuiper belt, whose main mass stretches from Neptune’s orbit around 30 astronomical units (or 30 times the Earth-Sun distance) out to 50 astronomical units. It wasn’t the only such object: Sedna, a 600-mile-wide rock discovered in 2003, also boasted this far-out orbit, and it seemed to be making...
  • Scientists may have found Planet X, the mysterious presence that has eluded astronomers

    12/12/2015 1:40:04 AM PST · by Squawk 8888 · 66 replies
    National Post ^ | December 11, 2015 | Sarah Kaplan
    It’s a big, dark presence at the farthest reaches of our solar system, a mysterious force powerful enough to skew the paths of planets in orbit and yet so subtle that it slips undetected past even the most powerful telescopes on Earth. For centuries, it has eluded some of the most brilliant minds in astronomy — some say it even destroyed one. It’s the subject of endless calculations and rampant speculation, crackpot theories and countless hours spent gazing, fruitlessly, at the night sky. It’s known as Planet X. And on Tuesday, a group of astronomers said they’d found not just...
  • Is there a Planet X, a ‘massive perturber,’ hidden beyond Pluto?

    09/05/2015 7:46:28 PM PDT · by BenLurkin · 32 replies
    Washington Post ^ | September 3 | Joel Achenbach
    The paper ... noted that a number of large, very remote objects share a similar orbital angle. That's suspicious if you're an astronomer expecting to see a random distribution of objects. The key orbital feature is known, rather obtusely, as the “argument of perihelion.” We're not shy of complicated orbital concepts (we try to toss around the phrase "obliquity of the ecliptic" whenever possible), but this one is not very easy to explain. "The argument of perihelion is the angle at which an object comes to perihelion with respect to the ecliptic plane," Sheppard said in an e-mail. Mike Brown,...
  • Obama admin stonewalling on big ammo buildup

    03/21/2013 10:15:52 PM PDT · by Perseverando · 66 replies
    WND ^ | March 21, 2013 | Garth Kant
    <p>Lawmaker: 'They refuse to let us know what is going on'</p> <p>Members of Congress are demanding the Obama administration explain why it is stockpiling a huge arsenal of ammunition and weapons.</p> <p>The Department of Homeland Security bought more than 1.6 billion rounds of ammunition over the last year, as well as thousands of armored vehicles.</p>
  • Doomsday Scenarios Play Out in New Show

    03/21/2013 4:49:08 PM PDT · by BenLurkin · 9 replies
    weather.com ^ | Published: Mar 13, 2013, 6:18 AM EDT | Jess Baker
    Every day we live and breathe among disasters waiting to happen. The Weather Channel's new series "Forecasting the End" dives into the hair-raising theories behind earth-ending science. Hear how disasters like super-volcanoes, mega-tsunamis and deadly solar flares aren't as far-fetched as you think.
  • Mysterious ‘boom’ heard across region

    03/20/2013 11:31:27 AM PDT · by BenLurkin · 38 replies
    dailyamericannews ^ | Mar. 18, 2013 9:34 am | By Gina Blankenship
    Loud noise heard in Southern Illinois Saturday afternoon has residents puzzled Social media was abuzz this weekend following what is begin described as a “loud boom” that was heard all over Southern Illinois Saturday. The source of the noise is unknown and, according to some, has been recurring for the past several weeks. Loud and mysterious booms are being heard and felt around the region. For more than a month, the noise has been compared to a sonic boom, tannerite, shotgun, dynamite or cannon. The theories surrounding the source of the “loud bangs” range from fracking to supersonic jets, meteors...
  • Large asteroid heading to Earth? Pray, says NASA

    03/19/2013 7:28:06 PM PDT · by NormsRevenge · 101 replies
    Yahoo! News ^ | 3/19/13 | Irene klotz - Reuters
    CAPE CANAVERAL, Florida (Reuters) - NASA chief Charles Bolden has advice on how to handle a large asteroid headed toward New York City: Pray. That's about all the United States - or anyone for that matter - could do at this point about unknown asteroids and meteors that may be on a collision course with Earth, Bolden told lawmakers at a U.S. House of Representatives Science Committee hearing on Tuesday. An asteroid estimated to be have been about 55 feet in diameter exploded on February 15 over Chelyabinsk, Russia, generating shock waves that shattered windows and damaged buildings. More than...
  • Congressmen Demand DHS Explain 1.6 Billion Bullets Purchase

    03/19/2013 1:43:50 PM PDT · by EXCH54FE · 65 replies
    Freedom Outpost ^ | Mar. 19, 2013 | Tim Brown
    Congressman Leonard Lance (R-NJ) has come out and demanded that Homeland Security Secretary Janet Napolitano explain why the Department of Homeland Security has been engaging in huge amounts of purchases of ammunition over the past year. Rep. Lance has called on Congress to get involved in ascertaining DHS’ stockpiling of ammunition which is enough to wage a 20 year plus war, which has most certainly caused a shortage in the public market. “I think Congress should ask the Department about both of those issues and I would like a full explanation as to why that has been done and I...
  • Hunting for the real 'Planet X'

    11/10/2012 2:03:36 PM PST · by BenLurkin · 3 replies
    Discovery News ^ | Friday, 9 November 2012 | Mark Thompson
    Through accurate measurements of Charon's orbit, the mass of Pluto could be deduced. Ultimately it showed that the 'ninth planet' couldn't possibly have affected the orbits of Uranus and Neptune as observations appeared to show. The renewed interest in Planet X was short lived as the Neptunian flyby by Voyager 2 in 1989 revealed its mass was less than thought. Reapplying this knowledge showed the outermost "ice giant" planets were behaving exactly as they should and the orbital perturbations were down to observational error. It seems the myth of Planet X had finally died. This could have been the end...
  • New Planet Found in Our Solar System?

    05/12/2012 3:44:38 AM PDT · by LibWhacker · 42 replies
    National Geographic ^ | 5/11/12 | Richard A. Lovett
    Odd orbits of remote objects hint at unseen world, new calculations suggest. An as yet undiscovered planet might be orbiting at the dark fringes of the solar system, according to new research.Too far out to be easily spotted by telescopes, the potential unseen planet appears to be making its presence felt by disturbing the orbits of so-called Kuiper belt objects, said Rodney Gomes, an astronomer at the National Observatory of Brazil in Rio de Janeiro. Kuiper belt objects are small icy bodies—including some dwarf planets—that lie beyond the orbit of Neptune. Once considered the ninth planet in our system, the...
  • Giant planet ejected from the solar system

    11/11/2011 5:16:23 AM PST · by decimon · 52 replies · 1+ views
    Southwest Research Institute ^ | November 10, 2011
    Boulder, Colo. — Nov. 10, 2011 — Just as an expert chess player sacrifices a piece to protect the queen, the solar system may have given up a giant planet and spared the Earth, according to an article recently published in The Astrophysical Journal Letters. "We have all sorts of clues about the early evolution of the solar system," says author Dr. David Nesvorny of the Southwest Research Institute. "They come from the analysis of the trans-Neptunian population of small bodies known as the Kuiper Belt, and from the lunar cratering record." These clues suggest that the orbits of giant...
  • Free-Floating Planets May Be More Common Than Stars

    05/18/2011 1:45:25 PM PDT · by Red Badger · 30 replies
    Science Daily ^ | 05-18-2011 | NASA's Jet Propulsion Laboratory, Pasadena,Calif.
    Astronomers, including a NASA-funded team member, have discovered a new class of Jupiter-sized planets floating alone in the dark of space, away from the light of a star. The team believes these lone worlds were probably ejected from developing planetary systems. The discovery is based on a joint Japan-New Zealand survey that scanned the center of the Milky Way galaxy during 2006 and 2007, revealing evidence for up to 10 free-floating planets roughly the mass of Jupiter. The isolated orbs, also known as orphan planets, are difficult to spot, and had gone undetected until now. The newfound planets are located...
  • Prepare for the Lord's Return! 5 Days in Heaven and Hell

    02/28/2011 10:25:53 AM PST · by Quix · 384 replies · 2+ views
    QUIX: SHORT EXCERPTS ARE OFFERED IN A SORT OF EXECUTIVE SUMMARY FIRST--THEN THE ENTIRE NARRATIVE AS AVAILABLE AT SPIRITLESSONS.COM I found this to be another anointed, Biblical narrative about a very convincing Heavenly visitation--actually, as usual, to hell, too. There's an item or 3 in this one to potentially trouble the RC's and Maryolators, . . . as well as some potentially troubling things for some Calvinists, however. Read at your own risk. Those exposed to The Truth are responsible before God for what they do about and with The Truth.On the other hand, ignorance affords no eternal protection....
  • Mystery Planet: Is a Rogue Giant Orbiting Our Sun?

    02/16/2011 4:51:26 PM PST · by BenLurkin · 62 replies
    Time ^ | Wednesday, Feb. 16, 2011 | Michael D. Lemonick
    "What we're really saying," he explains, "is that there's suggestive evidence there might be something out there." And if a new planet exists — something Matese is emphatically not claiming at this point — then the Wide-field Infrared Survey Explorer (WISE) satellite should already have an image of it stored somewhere in its enormous database. How suggestive the evidence actually is, though, depends on whom you ask. If you ask Ned Wright, a UCLA astrophysicist and WISE principal investigator, he'll tell you, "It's really kind of flimsy. It's there, but they don't have super data." So while the latest version...