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Keyword: impact

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  • Covid-19 Cases Rise in the U.S., With Limited Impact

    05/01/2022 8:25:05 AM PDT · by ChicagoConservative27 · 16 replies
    Wall Street journal ^ | 05/01/2022 | Brianna AbbottFollow and Jon Kamp
    As new Omicron variants further infiltrate the U.S., a jumble of signals suggest the latest increase in Covid-19 infections hasn’t sparked a commensurate surge in severe illness even as risks remain.
  • Secret Government Info Confirms First Known Interstellar Object on Earth, Scientists Say

    04/14/2022 4:35:18 PM PDT · by bitt · 24 replies
    vice.com ^ | 4/7/2022 | Becky Ferreira
    A small meteor that hit Earth in 2014 was from another star system, and may have left interstellar debris on the seafloor. An object from another star system crashed into Earth in 2014, the United States Space Command (USSC) confirmed in a newly-released memo. The meteor ignited in a fireball in the skies near Papua New Guinea, the memo states, and scientists believe it possibly sprinkled interstellar debris into the South Pacific Ocean. The confirmation backs up the breakthrough discovery of the first interstellar meteor—and, retroactively, the first known interstellar object of any kind to reach our solar system—which was...
  • An interstellar object exploded over Earth in 2014, declassified government data reveal

    04/11/2022 12:22:52 PM PDT · by BenLurkin · 23 replies
    Live Science ^ | Brandon Specktor
    A fireball that blazed through the skies over Papua New Guinea in 2014 was actually a fast-moving object from another star system, according to a recent memo(opens in new tab) released by the U.S. Space Command (USSC). The object, a small meteorite measuring just 1.5 feet (0.45 meter) across, slammed into Earth's atmosphere on Jan. 8, 2014, after traveling through space at more than 130,000 mph (210,000 km/h) — a speed that far exceeds the average velocity of meteors that orbit within the solar system, according to a 2019 study of the object published in the preprint database arXiv. 2019...
  • Explanation for the Two-Faced Moon: Colossal Ancient Impact Linked to Differences Between the Moon’s Near and Far Sides

    04/10/2022 8:00:07 PM PDT · by BenLurkin · 22 replies
    scitechdaily.com ^ | APRIL 10, 2022 | BROWN UNIVERSITY
    A new study published in the journal Science Advances shows that the impact that formed the Moon’s giant South Pole–Aitken (SPA) basin would have created a massive plume of heat that propagated through the lunar interior. That plume would have carried certain materials — a suite of rare-Earth and heat-producing elements — to the Moon’s nearside. That concentration of elements would have contributed to the volcanism that created the nearside volcanic plains. The Moon’s nearside (left) is dominated by vast volcanic deposits, while the far side (right) has far fewer). Why the two sides are so different is an enduring...
  • Getting to bottom of crater mystery (Odessa, Texas)

    06/22/2003 6:50:41 AM PDT · by MeekOneGOP · 24 replies · 611+ views
    The Dallas Morning News ^ | June 22, 2003 | By ALEXANDRA WITZE / The Dallas Morning News
    Getting to bottom of crater mystery 06/22/2003By ALEXANDRA WITZE / The Dallas Morning News ODESSA – It took two hours for Vance Holliday to travel back thousands of years. For a time machine, he drilled into the dirt of the meteor crater just west of Odessa. The deeper he went, the closer Dr. Holliday got to his goal – discovering the crater's age. When the Odessa meteorite hit, some tens of thousands of years ago, it would have been a fearsome sight. An iron rock nearly 50 feet across fell screaming from the sky, hitting with energy roughly equivalent to...
  • 60M-Year-Old Meteor Crater Mapped In North Sea

    07/31/2002 8:08:28 AM PDT · by blam · 12 replies · 462+ views
    Ananova ^ | 7-31-2002
    60m-year-old meteor crater mapped in North Sea Scientists have mapped a small but well-preserved crater in the North Sea formed by a meteorite they believe smacked into Earth 60 to 65 million years ago. The impact crater measures about six miles wide and sits beneath 120 feet of seawater and more than 900 feet of sediment. Researchers believe the so-called Silverpit crater was formed after the catastrophic impact near Mexico's Yucatan Peninsula that scientists suspect contributed to the extinction of the dinosaurs. "We know so little about how impact structures are created when meteorites and comets hit," said University of...
  • A possible impact crater for the 1908 Tunguska Event

    06/22/2007 11:46:00 AM PDT · by Mike Darancette · 25 replies · 7,696+ views
    Terra Nova ^ | 7/01/2007 | Terra Nova
    The so-called ‘Tunguska Event’ refers to a major explosion that occurred on 30 June 1908 in the Tunguska region of Siberia, causing the destruction of over 2000 km2 of taiga, globally detected pressure and seismic waves, and bright luminescence in the night skies of Europe and Central Asia, combined with other unusual phenomena. The ‘Tunguska Event’ may be related to the impact with the Earth of a cosmic body that exploded about 5–10 km above ground, releasing in the atmosphere 10–15 Mton of energy. Fragments of the impacting body have never been found, and its nature (comet or asteroid) is...
  • Crater Could Solve 1908 Tunguska Meteor Mystery

    06/27/2007 6:16:57 PM PDT · by raygun · 52 replies · 2,353+ views
    Space.com ^ | 06:27 26 June 2007 ET | By Dave Mosher - Staff Writer
    In late June of 1908, a fireball exploded above the remote Russian forests of Tunguska, Siberia, flattening more than 800 square miles of trees. Researchers think a meteor was responsible for the devastation, but neither its fragments nor any impact craters have been discovered. Astronomers have been left to guess whether the object was an asteroid or a comet, and figuring out what it was would allow better modeling of potential future calamities. Italian researchers now think they've found a smoking gun: The 164-foot-deep Lake Cheko, located just 5 miles northwest of the epicenter of destruction. "When we looked at...
  • Apophis: What you should know about the asteroid skimming by Earth in 2029

    10/12/2021 10:20:54 AM PDT · by Roman_War_Criminal · 33 replies
    JPost ^ | 10/11/21 | Aaron Reich
    Apophis will still pass by the Earth in 2029 – specifically on April 13 – at a distance less than 20,000 miles (32,000 kilometers) from the Earth's surface. The massive asteroid known as 99942 Apophis was once considered among the most dangerous asteroid in space, with the potential to strike Earth very high. When it was discovered, the 370-meter asteroid's trajectory towards the planet made many fear that an impact could actually happen. Ultimately, however, this situation now seems unlikely thanks to additional data gathered by astronomers. As such, NASA has declared the planet free of risk from any asteroid...
  • Enormous asteroid double the size of the Empire State Building to enter Earth's orbit

    08/26/2021 5:31:01 AM PDT · by Roman_War_Criminal · 62 replies
    dailystar.co.uk ^ | Ethan Blackshaw
    An enormous asteroid roughly twice the size of the Empire State Building is currently hurtling towards Earth's orbit. NASA has been tracking this latest space rock, called 2010 RJ53, since September 2010. This comes days after it was announced that a slightly smaller asteroid will enter our atmosphere on Sunday. It spans roughly 2540ft (774m) and should fly past us on September 9. RJ53 circles between 58-139 million miles from the sun, and will whiz by Earth at a distance of more than two million miles. A serious asteroid impact remains one of the worst possible natural disasters as there...
  • Study suggests climate change was killing people 13,000 years ago Scientists say battle wounds mean people were fighting over resources

    06/01/2021 7:08:43 AM PDT · by rktman · 85 replies
    wnd.com ^ | 5/31/2021 | Bob Unruh
    "Territorial and environmental pressures triggered by climate changes are most probably responsible for these frequent conflicts between what appears to be culturally distinct Nile Valley semi-sedentary hunter-fisher-gatherers groups," the study said. The cemetery holds the remains of 61 people, and it was excavated in the 1960s. "Over 100 previously undocumented healed and unhealed lesions were identified on both new and/or previously identified victims, including several embedded lithic artefacts. Most trauma appears to be the result of projectile weapons and new analyses confirm for the first time the repetitive nature of the interpersonal acts of violence," the study found.
  • Tsunami Buoy in "EVENT MODE" off New Jersey - Sudden 180' Water Depth Change

    04/24/2016 7:37:46 PM PDT · by OL Hickory · 152 replies
    superstation95 ^ | april 24 2016 | newsroom
    According the the US Government's National Data Buoy Center (NDBC), some type of "event" in the ocean off the New Jersey coast triggered a Tsunami Buoy! The buoy recorded sudden changes in water depth of fifty-five METERS (180 feet) in a matter of seconds.
  • Ancient Crash, Epic Wave

    01/26/2015 1:03:44 PM PST · by Sawdring · 37 replies
    New York Times ^ | November 14, 2006 | SANDRA BLAKESLEE
    At the southern end of Madagascar lie four enormous wedge-shaped sediment deposits, called chevrons, that are composed of material from the ocean floor. Each covers twice the area of Manhattan with sediment as deep as the Chrysler Building is high. On close inspection, the chevron deposits contain deep ocean microfossils that are fused with a medley of metals typically formed by cosmic impacts. And all of them point in the same direction — toward the middle of the Indian Ocean where a newly discovered crater, 18 miles in diameter, lies 12,500 feet below the surface. The explanation is obvious to...
  • Ancient tsunami 'hit New York'

    05/03/2009 8:09:16 PM PDT · by JoeProBono · 26 replies · 1,498+ views
    bbc ^ | Sunday, 3 May 2009
    A huge wave crashed into the New York City region 2,300 years ago, dumping sediment and shells across Long Island and New Jersey and casting wood debris far up the Hudson River. The scenario, proposed by scientists, is undergoing further examination to verify radiocarbon dates and to rule out other causes of the upheaval. Sedimentary deposits from more than 20 cores in New York and New Jersey indicate that some sort of violent force swept the Northeast coastal region in 300BC. It may have been a large storm, but evidence is increasingly pointing to a rare Atlantic Ocean tsunami. Steven...
  • Meteorite Strikes, Setting Off a Tsunami: Did It Happen Here?[NY]

    12/31/2008 2:26:04 PM PST · by BGHater · 19 replies · 844+ views
    NY Times ^ | 29 Dec 2008 | Kenneth Chang
    The tsunami washed over Fire Island and, to the west, waves perhaps as high as 20 feet spilled into Lower Manhattan. The furious onrush of water left sediment a foot and a half deep on the Jersey Shore, and debris cascaded far up the Hudson River. No, there’s no need to rush to higher ground, commandeer a rowboat in Central Park or empty the closet to grab the rubber boots. This disaster occurred about 2,300 years ago, though how bad it was, or even if it was a tsunami, remains in dispute. But several geologists have collected evidence indicating that...
  • Researchers: Asteroid Destroyed Sodom and Gomorrah

    03/31/2008 4:48:42 PM PDT · by SeekAndFind · 39 replies · 661+ views
    FOX NEWS ^ | March 31,2008 | Lewis Smith
    A clay tablet that has baffled scientists for 150 years has been identified as a witness's account of the asteroid suspected of being behind the destruction of Sodom and Gomorrah. Researchers who cracked the cuneiform symbols on the Planisphere tablet believe that recorded an asteroid thought to have been more than half a mile across. The tablet, found by Henry Layard in the remains of the library in the royal place at Nineveh in the mid-19th century, is thought to be a 700 B.C. copy of notes made by a Sumerian astronomer watching the night sky. He referred to the...
  • Near danger? Then why this international apocalyptic asteroid impact drill right now

    04/27/2021 6:55:38 PM PDT · by Roman_War_Criminal · 26 replies
    SS ^ | 4/24/21 | SS
    NASA will run an asteroid impact simulation event over the course of the week as the space agency ups its game in the pursuit of keeping Earth safe from threatening space rocks. While there are no known significant asteroids on a collision course with Earth, an asteroid impact is considered inevitable in our planet’s future. The potential impact could still be millions of years away, but NASA is working now to prepare for the inevitable. Over the course of the week commencing April 26, members of NASA’s Planetary Defense Coordination Office (PDCO) will participate in a “tabletop exercise” to see...
  • New study discovers ancient meteoritic impact over Antarctica 430,000 years ago

    03/31/2021 11:43:27 AM PDT · by Red Badger · 17 replies
    https://phys.org ^ | MARCH 31, 2021 | by University of Kent
    A research team of international space scientists, led by Dr. Matthias van Ginneken from the University of Kent's School of Physical Sciences, has found new evidence of a low-altitude meteoritic touchdown event reaching the Antarctic ice sheet 430,000 years ago. Extra-terrestrial particles (condensation spherules) recovered on the summit of Walnumfjellet (WN) within the Sør Rondane Mountains, Queen Maud Land, East Antarctica, indicate an unusual touchdown event where a jet of melted and vaporized meteoritic material resulting from the atmospheric entry of an asteroid at least 100 m in size reached the surface at high velocity. This type of explosion caused...
  • Moon discovery: Ancient 4-billion-year-old relic found on lunar surface [possible Earth rock]

    01/25/2019 10:44:41 AM PST · by ETL · 22 replies
    FoxNews.com/Science ^ | Jan 25, 2019 | Chris Ciaccia | Fox News
    A chunk of Earth that could be 4.1 billion years old and is described as the planet's "oldest rock," may have been found and dug up on the Moon by Apollo astronauts, according to a new study. The possible relic was discovered and dug up in 1971 and scientists believe that it was sent off Earth, thanks to a powerful impact, possibly an asteroid or a comet. After colliding with the Moon (which at the time was three times closer to the Earth than it is now), it mixed with other lunar surface materials. "It is an extraordinary find that helps paint...
  • Astronomy Picture of the Day - Found on the Moon: Candidate for Oldest Known Earth Rock

    02/03/2021 3:42:40 PM PST · by MtnClimber · 10 replies
    APOD.NASA.gov ^ | 3 Feb, 2021 | Video Credit: NASA, Astromaterials 3D, Erika Blumenfeld et al.
    Explanation: Was the oldest known rock on Earth found on the Moon? Quite possibly. The story opens with the Apollo 14 lunar mission. Lunar sample 14321, a large rock found in Cone crater by astronaut Alan Shepard, when analyzed back on Earth, was found to have a fragment that was a much better match to Earth rocks than other Moon rocks. Even more surprising, that rock section has recently been dated back 4 billion years, making it older, to within measurement uncertainty, than any rock ever found on Earth. A leading hypothesis now holds that an ancient comet or asteroid...