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SpaceX Starship’s explosion is not the failure it appears to be, experts say

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(CNN) — Rocket launches are like opening a box of chocolates, only riskier — you never know what you’re going to get.

And there is always a chance that things can explode.

As humans, we can’t help but be drawn to spectacles. When a rocket is set to leap off the launchpad, there’s a good chance of seeing a stunning liftoff or a spectacular failure.

The lead-up to this week’s launch of SpaceX’s Starship, the most powerful rocket ever built, was a dramatic roller coaster.

Years of explosive tests, increasing hype and a multitude of hurdles culminated in what SpaceX CEO Elon Musk called “an exciting test launch” on Thursday morning — but not everything went according to plan.

Defying gravity

Initially, the historic first test flight of Starship appeared to be going smoothly. The rocket blasted off from the launchpad in South Texas and roared 24.2 miles (39 kilometers) over the Gulf of Mexico.

When it was time for the rocket boosters to separate from the spacecraft, the entire stack lost some of its engines and began to tumble before the flight termination system triggered a midair explosion.

Musk and SpaceX regard the test as successful because it completed a number of objectives for a vehicle that could carry astronauts to the moon or Mars one day.

But the company will have to work through challenges to achieve significant milestones before Musk’s vision becomes a reality.

A long time ago

Analysis of ancient DNA is bringing a powerful empire out of the shadows of history.

There are few written records of the Xiongnu, a dynasty of nomadic people who conquered distant places on horseback and pushed China to build its Great Wall.

Now, a genetic investigation of two cemeteries in present-day Mongolia has revealed new insights about the rival of imperial China that rose to power in the second century BC. The empire’s population was likely multiethnic, multicultural and multilingual, given how genetically diverse its people were.

Chinese rulers regarded the Xiongnu as barbarians. But among the graves, researchers found elaborate tombs, including one of an elite woman buried with golden artifacts and the remains of six horses and a chariot.

Once upon a planet

Happy Earth Day to the “Blue Marble” we call home.

Our world supports about 8.7 million species, but some of them are dwindling. Award-winning conservation photographer Anthony Ochieng Onyango devotes his time to capturing images of decreasing populations, such as the roan antelope.

Onyango said he hopes his photos of rare animals will inspire action to protect wildlife and their habitats from destruction before some species reach the tipping point of extinction.

If you would also like to help protect hubs of diverse animal life, including the ocean, try to avoid single-use plastics, shop smarter for personal care products and choose sustainable fish at the market.

Want more ideas on how to help the planet and reduce your eco-anxiety? Sign up for CNN’s limited newsletter series Life, But Greener.

Fantastic creatures

Northern elephant seals look cozy as they take 10-hour naps on the beach during breeding season. But these marine mammals have to work hard just to catch two hours of sleep per day during monthslong foraging trips at sea.

Researchers arrived at a surprising finding after strapping caps to some of the seals and analyzing their brain waves.

The seals adapted to catch short naps during 30-minute deep dives to the bottom of the ocean, holding their breath all the while.

Once safely out of reach of predators, the seals experience sleep paralysis and spiral down in a corkscrew pattern like falling leaves — and wake up in time to keep from drowning.

Climate changed

The sudden disappearance of the Vikings from Greenland and why they abandoned a successful settlement there after 400 years has long intrigued historians.

Now, researchers have a new theory about why the Vikings abruptly departed in the mid-15th century: rising sea levels.

The sea levels rose up to 9.8 feet (3 meters), likely flooding some of the fertile lowland and creating increasingly difficult conditions for the Norse settlement.

Centuries later, global sea levels are on the rise due to the human-driven climate crisis — and Earth’s ice sheets lost enough ice over the past 30 years to create an ice cube 12 miles high.

Discoveries

Bookmark these findings for your next water cooler conversation:

— A brilliant starburst captured in a new image by the James Webb Space Telescope reveals what happened when two spiral galaxies crashed into each other.

— The natural world is a wild place, where carnivorous plants might lure prey using specific scents and worms get the munchies when exposed to cannabinoids.

— A lavish 2,000-year-old winery discovered among ruins might have doubled as an entertainment venue that turned winemaking into a theatrical show for wealthy Romans.

And before you go, here’s everything you need to know about observing the Lyrids meteor shower this weekend!

This story was first published on CNN.com, “SpaceX Starship’s explosion is not the failure it appears to be, experts say

 

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Here’s how Helene and other storms dumped a whopping 40 trillion gallons of rain on the South

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More than 40 trillion gallons of rain drenched the Southeast United States in the last week from Hurricane Helene and a run-of-the-mill rainstorm that sloshed in ahead of it — an unheard of amount of water that has stunned experts.

That’s enough to fill the Dallas Cowboys’ stadium 51,000 times, or Lake Tahoe just once. If it was concentrated just on the state of North Carolina that much water would be 3.5 feet deep (more than 1 meter). It’s enough to fill more than 60 million Olympic-size swimming pools.

“That’s an astronomical amount of precipitation,” said Ed Clark, head of the National Oceanic and Atmospheric Administration’s National Water Center in Tuscaloosa, Alabama. “I have not seen something in my 25 years of working at the weather service that is this geographically large of an extent and the sheer volume of water that fell from the sky.”

The flood damage from the rain is apocalyptic, meteorologists said. More than 100 people are dead, according to officials.

Private meteorologist Ryan Maue, a former NOAA chief scientist, calculated the amount of rain, using precipitation measurements made in 2.5-mile-by-2.5 mile grids as measured by satellites and ground observations. He came up with 40 trillion gallons through Sunday for the eastern United States, with 20 trillion gallons of that hitting just Georgia, Tennessee, the Carolinas and Florida from Hurricane Helene.

Clark did the calculations independently and said the 40 trillion gallon figure (151 trillion liters) is about right and, if anything, conservative. Maue said maybe 1 to 2 trillion more gallons of rain had fallen, much if it in Virginia, since his calculations.

Clark, who spends much of his work on issues of shrinking western water supplies, said to put the amount of rain in perspective, it’s more than twice the combined amount of water stored by two key Colorado River basin reservoirs: Lake Powell and Lake Mead.

Several meteorologists said this was a combination of two, maybe three storm systems. Before Helene struck, rain had fallen heavily for days because a low pressure system had “cut off” from the jet stream — which moves weather systems along west to east — and stalled over the Southeast. That funneled plenty of warm water from the Gulf of Mexico. And a storm that fell just short of named status parked along North Carolina’s Atlantic coast, dumping as much as 20 inches of rain, said North Carolina state climatologist Kathie Dello.

Then add Helene, one of the largest storms in the last couple decades and one that held plenty of rain because it was young and moved fast before it hit the Appalachians, said University of Albany hurricane expert Kristen Corbosiero.

“It was not just a perfect storm, but it was a combination of multiple storms that that led to the enormous amount of rain,” Maue said. “That collected at high elevation, we’re talking 3,000 to 6000 feet. And when you drop trillions of gallons on a mountain, that has to go down.”

The fact that these storms hit the mountains made everything worse, and not just because of runoff. The interaction between the mountains and the storm systems wrings more moisture out of the air, Clark, Maue and Corbosiero said.

North Carolina weather officials said their top measurement total was 31.33 inches in the tiny town of Busick. Mount Mitchell also got more than 2 feet of rainfall.

Before 2017’s Hurricane Harvey, “I said to our colleagues, you know, I never thought in my career that we would measure rainfall in feet,” Clark said. “And after Harvey, Florence, the more isolated events in eastern Kentucky, portions of South Dakota. We’re seeing events year in and year out where we are measuring rainfall in feet.”

Storms are getting wetter as the climate change s, said Corbosiero and Dello. A basic law of physics says the air holds nearly 4% more moisture for every degree Fahrenheit warmer (7% for every degree Celsius) and the world has warmed more than 2 degrees (1.2 degrees Celsius) since pre-industrial times.

Corbosiero said meteorologists are vigorously debating how much of Helene is due to worsening climate change and how much is random.

For Dello, the “fingerprints of climate change” were clear.

“We’ve seen tropical storm impacts in western North Carolina. But these storms are wetter and these storms are warmer. And there would have been a time when a tropical storm would have been heading toward North Carolina and would have caused some rain and some damage, but not apocalyptic destruction. ”

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Follow AP’s climate coverage at https://apnews.com/hub/climate

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Follow Seth Borenstein on Twitter at @borenbears

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Associated Press climate and environmental coverage receives support from several private foundations. See more about AP’s climate initiative here. The AP is solely responsible for all content.

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‘Big Sam’: Paleontologists unearth giant skull of Pachyrhinosaurus in Alberta

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It’s a dinosaur that roamed Alberta’s badlands more than 70 million years ago, sporting a big, bumpy, bony head the size of a baby elephant.

On Wednesday, paleontologists near Grande Prairie pulled its 272-kilogram skull from the ground.

They call it “Big Sam.”

The adult Pachyrhinosaurus is the second plant-eating dinosaur to be unearthed from a dense bonebed belonging to a herd that died together on the edge of a valley that now sits 450 kilometres northwest of Edmonton.

It didn’t die alone.

“We have hundreds of juvenile bones in the bonebed, so we know that there are many babies and some adults among all of the big adults,” Emily Bamforth, a paleontologist with the nearby Philip J. Currie Dinosaur Museum, said in an interview on the way to the dig site.

She described the horned Pachyrhinosaurus as “the smaller, older cousin of the triceratops.”

“This species of dinosaur is endemic to the Grand Prairie area, so it’s found here and nowhere else in the world. They are … kind of about the size of an Indian elephant and a rhino,” she added.

The head alone, she said, is about the size of a baby elephant.

The discovery was a long time coming.

The bonebed was first discovered by a high school teacher out for a walk about 50 years ago. It took the teacher a decade to get anyone from southern Alberta to come to take a look.

“At the time, sort of in the ’70s and ’80s, paleontology in northern Alberta was virtually unknown,” said Bamforth.

When paleontogists eventually got to the site, Bamforth said, they learned “it’s actually one of the densest dinosaur bonebeds in North America.”

“It contains about 100 to 300 bones per square metre,” she said.

Paleontologists have been at the site sporadically ever since, combing through bones belonging to turtles, dinosaurs and lizards. Sixteen years ago, they discovered a large skull of an approximately 30-year-old Pachyrhinosaurus, which is now at the museum.

About a year ago, they found the second adult: Big Sam.

Bamforth said both dinosaurs are believed to have been the elders in the herd.

“Their distinguishing feature is that, instead of having a horn on their nose like a triceratops, they had this big, bony bump called a boss. And they have big, bony bumps over their eyes as well,” she said.

“It makes them look a little strange. It’s the one dinosaur that if you find it, it’s the only possible thing it can be.”

The genders of the two adults are unknown.

Bamforth said the extraction was difficult because Big Sam was intertwined in a cluster of about 300 other bones.

The skull was found upside down, “as if the animal was lying on its back,” but was well preserved, she said.

She said the excavation process involved putting plaster on the skull and wooden planks around if for stability. From there, it was lifted out — very carefully — with a crane, and was to be shipped on a trolley to the museum for study.

“I have extracted skulls in the past. This is probably the biggest one I’ve ever done though,” said Bamforth.

“It’s pretty exciting.”

This report by The Canadian Press was first published Sept. 25, 2024.

The Canadian Press. All rights reserved.

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The ancient jar smashed by a 4-year-old is back on display at an Israeli museum after repair

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TEL AVIV, Israel (AP) — A rare Bronze-Era jar accidentally smashed by a 4-year-old visiting a museum was back on display Wednesday after restoration experts were able to carefully piece the artifact back together.

Last month, a family from northern Israel was visiting the museum when their youngest son tipped over the jar, which smashed into pieces.

Alex Geller, the boy’s father, said his son — the youngest of three — is exceptionally curious, and that the moment he heard the crash, “please let that not be my child” was the first thought that raced through his head.

The jar has been on display at the Hecht Museum in Haifa for 35 years. It was one of the only containers of its size and from that period still complete when it was discovered.

The Bronze Age jar is one of many artifacts exhibited out in the open, part of the Hecht Museum’s vision of letting visitors explore history without glass barriers, said Inbal Rivlin, the director of the museum, which is associated with Haifa University in northern Israel.

It was likely used to hold wine or oil, and dates back to between 2200 and 1500 B.C.

Rivlin and the museum decided to turn the moment, which captured international attention, into a teaching moment, inviting the Geller family back for a special visit and hands-on activity to illustrate the restoration process.

Rivlin added that the incident provided a welcome distraction from the ongoing war in Gaza. “Well, he’s just a kid. So I think that somehow it touches the heart of the people in Israel and around the world,“ said Rivlin.

Roee Shafir, a restoration expert at the museum, said the repairs would be fairly simple, as the pieces were from a single, complete jar. Archaeologists often face the more daunting task of sifting through piles of shards from multiple objects and trying to piece them together.

Experts used 3D technology, hi-resolution videos, and special glue to painstakingly reconstruct the large jar.

Less than two weeks after it broke, the jar went back on display at the museum. The gluing process left small hairline cracks, and a few pieces are missing, but the jar’s impressive size remains.

The only noticeable difference in the exhibit was a new sign reading “please don’t touch.”

The Canadian Press. All rights reserved.

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