Tag Archives: Rock

Extreme volcanic eruptions could explain mysterious rock formation on Mars

Extreme volcanic eruptions could explain mysterious rock formation on MarsCould a volcanic eruption be the key to unlocking the mysterious geological history of Mars? Back in the 1960s, NASA's Mariner spacecraft discovered an extremely large and unusually soft rock formation. The makeup of the mass, now known as the Medusa Fossae formation, stumped researchers for decades because they were never able to determine how it got there.  SEE ALSO: Tiny NASA satellite bound for Mars snaps photo of Earth from thousands of miles away But now, new research seems to answer that question — and maybe many others.  More than 3 billion years ago, extreme volcanic eruptions on Mars dropped the huge deposit near the Martian equator, according to the new study published in the
Journal of Geophysical Research: Planets. A 13-kilometer (8-mile) diameter crater being infilled by the Medusae Fossae Formation.Image: High Resolution Stereo Camera/European Space AgencyThe Medusa Fossae is about one fifth the size of the United States.  “This is a massive deposit, not only on a Martian scale, but also in terms of the solar system, because we do not know of any other deposit that is like this,” planetary scientist Lujendra Ojha, the lead author of the new study, said in a statement. Ojha and his colleagues used gravity data from spacecraft orbiting Mars to measure the formation density. Through this, they were able to determine that the rock was unusually porous, allowing them to rule out other potential compositions like ice.  On a basic level, the formation is a bunch of hills and mounds of sedimentary rock but because much of Mars’s history is shrouded in mystery, a finding like this is huge.  An isolated hill in the Medusae Fossae Formation. The effect of wind erosion on this hill is evident by its streamlined shape.Image: High Resolution Stereo Camera/European Space Agency.Eruptions of the magnitude suggested by the study would also have an enormous impact on the planet's climate as well. A considerable amount of “climate-altering” gases like hydrogen sulfide and sulfur dioxide accompany most volcanic eruptions and would have spit out enough water to cover the red planet in a global ocean, the study says.  These findings paint a better picture of what habitability on Mars would look like, as well as the usefulness of gravity surveys.  “Future gravity surveys could help distinguish between ice, sediments and igneous rocks in the upper crust of the planet,” co-author and planetary scientist Kevin Lewis explained.   WATCH: NASA is attempting to fly a helicopter on Mars for the first time



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Skeleton of Roman beheaded by giant flying rock slab found at Pompeii

Skeleton of Roman beheaded by giant flying rock slab found at PompeiiThe skeleton of a Roman man who was decapitated by a giant slab of rock has been discovered by archeologists in Pompeii. They believe the man, aged in his thirties, was attempting to flee the eruption of Mt Vesuvius when the 300kg rock slammed into him, beheading him and killing him instantly. He had struggled to escape the doomed city because he had an infection in his leg. Archeologists found the rock sticking out of the ground at an angle, with the remains of the man protruding and intact from the chest down. The rock, which they think may have been part of a stone doorway, was hurled into the air by the force of the eruption, which devastated Pompeii in AD79. Archeologists say the man was fleeing the eruption but was impeded by a leg bone infection Credit: Pompeii archeological site The skeleton was uncovered in an area of new excavations, close to a newly-discovered alleyway of houses with balconies. Massimo Osanna, the director general of the archaeological site, called the discovery "dramatic and exceptional". “A formidable stone block (perhaps a door jamb), violently thrown by the volcanic cloud, collided with his upper body, crushing the highest part of the thorax and yet-to-be-identified head, which probably lies under the stone block,” archeologists said in a statement. The experts found lesions on his tibia which indicate a serious bone infection. That “could have caused significant walking difficulties, enough to impede the man's escape at the first dramatic signs which preceded the eruption,” they said. Earlier this month, archeologists made another unusual discovery – the carbonised remains of a horse which died during the eruption of Vesuvius. The remains of a Roman horse were found earlier this month Credit: Pompeii archeological site The horse was found in the remains of a large Roman villa, which tomb raiders had been excavating illegally in search of artefacts and valuables. By pumping plaster into the space where the horse was found, experts produced an accurate cast of the animal. It was the first time that a cast was made of a horse at Pompeii – the technique has previously been used for the human victims of the cataclysmic eruption. Experts believe the horse was used in military parades and ceremonies. It was found in the remains of a stable attached to the villa.



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Hawaii volcano latest: Giant new fissure opens, flinging ballistic rock and lava bombs into sky

Hawaii volcano latest: Giant new fissure opens, flinging ballistic rock and lava bombs into skyA new giant fissure has opened in the Hawaii’s Kilauea volcano blasting ballistic rock and lava into the sky. Officials called for more evacuations as residents feared a potential major eruption at volcano’s summit, as Hawaii County Civil Defence issued an emergency alert after its discovery. Lava from the fissure, which measures about 1,000 feet (300 meters) long, led to an “unidentified structure” being destroyed – bringing the total number of homes and other buildings lost to the volcano to nearly 40.



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Hawaii's Kilauea Volcano channeling molten rock through fits and starts

Hawaii's Kilauea Volcano channeling molten rock through fits and startsThe latest bursts of molten rock, ash and toxic gas from Kilauea Volcano on the Big Island of Hawaii are part of an ever changing and still largely mysterious cycle of eruptions that have been at work for hundreds of thousands of years. Kilauea, one of the world’s most active volcanoes and perhaps the most intensely studied, began extruding red-hot lava into populated areas through newly opened fissures in the ground last week, destroying dozens of homes and other buildings, and prompting mass evacuations.



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Julia Louis-Dreyfus ‘Feeling Happy and Ready to Rock’ After Breast Cancer Surgery

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Julia Louis-Dreyfus has undergone surgery as she continues to fight her battle with breast cancer.

On Wednesday, the 57-year-old Veep actress revealed the news of her operation on Twitter — telling fans that she was recovering well.

“Hoorah! Great doctors, great results, feeling happy and ready to rock after surgery,” Louis-Dreyfus wrote. “Hey cancer, ‘F— you!’ ”

Ever the comedian, Louis-Dreyfus included a glamorous photo of herself with the tweet, which she joking referred to as, “My first post op photo.”

Louis-Dreyfus was diagnosed with breast cancer in September, days after she won her sixth consecutive outstanding lead actress Emmy for her role as Selina Meyer on Veep (which set the record for most wins for a performance in the same role for the same series).

“1 in 8 women get breast cancer. Today, I’m the one,” she tweeted at the time. “The good news is that I have the most glorious group of supportive and caring friends, and fantastic insurance through my union. The bad news is that not all women are so lucky, so let’s fight all cancers and make universal health care a reality.”

The Seinfeld alum has remained positive on social media throughout her battle. In January, she completed her last round of chemotherapy — something the sons she shares with husband Brad Hall (Charlie, 20, and Henry, 25) celebrated on Instagram with a video of themselves lip-syncing the words to Michael Jackson’s “Beat It.”

“My beauty boys @henryhallmusic @charlie_hall made this for me today, my last day of chemotherapy,” Louis-Dreyfus captioned the video. “Pretty swell, right? Ain’t they sweet?”

Later that month, Louis-Dreyfus was rewarded for her work in Veep with the trophy for outstanding performance by a female actor in a comedy series at the 2018 Screen Actors Guild Awards.

Though she watched the 2018 show from home, Louis-Dreyfus addressed her win in a tweet.

“I wish I could have been @SAGawards tonight but have to admit it’s pretty fun to watch in my pj’s,” she joked on Twitter. “So honored to win. So proud to be a union member. So happy for my @VeepHBO bozos for winning ensemble award. Miss being at the table with you all. How was the chicken?”

Before the show, Louis-Dreyfus’ Veep costar Tony Hale gave an update on her health status, saying she’s doing “fantastic” since completing chemotherapy.

“She’s really doing great,” he said on The PEOPLE, Entertainment Weekly & TNT Official SAG Awards Red Carpet Live Show, adding that they’ll likely resume filming on the final season of the HBO hit this summer.

Matt Walsh tole EW that Louis-Dreyfus has even started easing back into work. “We’ve seen [Julia], she’s done some table reads, she’s doing well, she’s finished her last chemo, she’s in recuperation,” he said. “Her prospectives have remained excellent throughout. She’s very well loved; she’s a tremendous person.”


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Breast Cancer – Health.com

16-Year-Old Allegedly Kills Newborn After Sticking Rock in Her Throat: Report

16-Year-Old Allegedly Kills Newborn After Sticking Rock in Her Throat: ReportThe incident allegedly happened an hour after she gave birth.



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Michigan Man Dead After Teens Throw SIx Pound Rock Through His Windshield

Michigan Man Dead After Teens Throw SIx Pound Rock Through His WindshieldFive Michigan teenagers could face life imprisonment for throwing a brick from an overpass, crashing through the windshield and killing a young father.



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11 Pretzel Hacks That'll Rock Your Whole World

11 Pretzel Hacks That'll Rock Your Whole World



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Rock Legend Tom Petty Dead at 66 After Massive Cardiac Arrest

Rock Legend Tom Petty Dead at 66 After Massive Cardiac ArrestTom Petty died Monday of a cardiac arrest in Los Angeles, PEOPLE confirms



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Rock Legend Tom Petty Dead at 66 After Massive Cardiac Arrest

Rock Legend Tom Petty Dead at 66 After Massive Cardiac ArrestTom Petty died Monday of a cardiac arrest in Los Angeles, PEOPLE confirms



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