adplus-dvertising
Connect with us

Science

PROFILE — Kid’s award-winning project could help protect Earth from asteroids

Published

 on

13-year-old’s 2nd big win at Canada-Wide Science Fair


We’re profiling cool kids doing cool things.
Know someone you think should be profiled on our site?
Email us at cbckidsnews@cbc.ca and tell us what makes them so awesome.


Name

Arushi Nath

Hometown

Toronto, Ontario

Age

13

Claim to fame:

What would happen if a massive asteroid was on a crash course directly toward Earth?

Would it hit us? Or could we stop it in its tracks?

Thanks to a 13-year-old from Ontario, our chances of protecting ourselves from such an object just got a lot better.

On May 18, Arushi Nath became one of two top winners at the 2023 Canada-Wide Science Fair in Edmonton, Alberta.

She beat thousands of students from across the country to claim the prize.

And guess what? She did the same thing last year!

Organizers say this makes her the first student in more than 30 years to win a best project award two years in a row.

Falling in love with the stars

Arushi has been interested in outer space since she was just eight years old.

“Back then, I’d go out on my balcony and look through my telescope and try to pick out patterns in the night sky, which I later learned were constellations.”

Arushi Nath’s’s award-winning science could one day help protect Earth from incoming asteroids. (Image submitted by Arushi Nath)

She soon joined the Royal Astronomical Society of Canada to get more involved in space science.

“They have a huge telescope in Collingwood, Ontario, which allowed me to look at the sky like never before,” she said.

“This got me fascinated with the subject of astronomy and how I could contribute.”

Defending the planet from asteroids

Arushi began her award-winning project back in August 2022 after becoming interested in the idea of planetary defence.

Planetary defence is the act of protecting the Earth from objects outside our atmosphere.

She learned that hundreds of asteroids that come close to Earth are discovered each month.

But only a handful of astronomers with access to huge telescopes are set up to analyze them.

That’s a problem, Arushi said.

“If an asteroid were on a collision course to Earth, we’d need to know its attributes, like size and strength, to know how to deflect it,” she said.

Arushi was one of two kids who won this year’s top project award at the Canada-Wide Science Fair. They were chosen by more than 239 judges. (Image credit: Youth Science Canada)

Arushi decided to start a project that would allow everyday, amateur astronomers looking through tiny telescopes to analyze asteroids themselves.

This is called citizen science — when everyday people contribute to a project when there aren’t enough scientists to complete it on their own.

Designing the algorithm

Using a coding language called Python, Arushi designed an algorithm.

An algorithm is a set of instructions designed to solve a problem.

The algorithm allows amateur scientists to submit images of an asteroid. Then the program tells them about its size, brightness and other important features.

“I spent around 400 hours designing the algorithm, 200 hours taking images of asteroids and 200 hours plugging those images into my algorithm.”

Once the algorithm was complete, Arushi tested it on a real-world scenario.

A real-world test

In September 2022, the U.S. space agency, NASA, tested its ability to deflect an asteroid.

NASA staff flew their DART spacecraft into a non-threatening asteroid called Dimorphos to see if they could successfully deflect it. The experiment worked.

NASA was able to successfully change the course of an asteroid in September 2022 during its DART Mission. (Image credit: NASA)

Arushi took images of the asteroid before, during and after it was deflected.

She found that her algorithm was successfully able to measure the asteroid’s dimensions at each point.

Why this matters

The good news is, you don’t need to be worried about an asteroid hitting Earth anytime soon.

“Despite what Hollywood movies may lead us to believe, the risk of a collision between an asteroid and Earth is extremely small,” says the Canadian Space Agency on its website.

Still, scientists say it’s good to be prepared. Thankfully, kids can help with that.

The Canada-Wide Science Fair shows “the important role that youth play in developing innovative knowledge and solutions that will help future generations,” said Reni Barlow in a news release. He’s the executive director at Youth Science Canada.

Arushi accepts her top project award at the 2023 Canada-Wide Science Fair for her project that could one day help us deflect asteroids headed toward Earth. (Image credit: Youth Science Canada)

Taking home the big prize

There were nearly 400 finalists from all over the country at this year’s Canada-Wide Science Fair.

Arushi was one of two people who won the award for top project.

“It felt really amazing to see that my work was awarded at such a high level after 800 hours spent on this project,” she said.

This was on top of last year’s win, which was also for a project about identifying unknown asteroids.

Arushi said the win has inspired her even more to keep going further as a scientist.

She said her next step is to represent Canada at the European Union’s Contest for Young Scientists in Belgium in September.

She’ll be competing with other kids from around the globe.

“I’m going to try my best there and see if I can take it home for Canada.”

Have more questions? Want to tell us how we’re doing? Use the “send us feedback” link below. ⬇️⬇️⬇️


TOP IMAGE CREDIT: Youth Science Canada/Instagram

 

728x90x4

Source link

Continue Reading

News

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

Published

 on

 

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. ”

___

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

___

Follow Seth Borenstein on Twitter at @borenbears

___

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.

Source link

Continue Reading

Science

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

Published

 on

 

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.

Source link

Continue Reading

News

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

Published

 on

 

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.

Source link

Continue Reading

Trending