(CNN) – Between 2015 and 2019, researchers discovered 31 new carbon minerals, most of them vividly colorful. Edscottite is one of the least flashy new finds, but it’s also the one that’s set geologists abuzz.
Edscottite is one of the phrases iron goes through when it’s cooling down from a high temperature, as it’s smelted into steel. But the edscottite discovered in a tiny meteorite and officially named this year is the first to occur in nature.
The Wedderburn meteorite’s been sitting in Museums Victoria in Australia since it was found nearby in 1951, and researchers have sliced it open to search its contents just as long.
“We have discovered 500,000 to 600,000 minerals in the lab, but fewer than 6,000 that nature’s done itself,” Stuart Mills, Museums Victoria’s senior curator of geosciences, told Melbourne newspaper The Age.
It’s named for Ed R.D. Scott, a cosmochemist at the University of Hawaii at Manoa and pioneering meteorite researcher. He first identified the unique iron carbide in 1971 while studying the meteorite, but technology hadn’t advanced far enough for him to characterize its structure.
It might’ve formed in space
Researchers Chi Ma of Caltech and Alan Rubin at UCLA examined a slab of the meteorite and were surprised to find edscottite under an electron microscope.
Just how it formed is still unclear. Geoffrey Bonning, a planetary scientist at the Australian National University who was not involved with the study, speculated to The Age that it was blasted out of the core of another planet.
The hypothetical planet, he said, formed when asteroids clumped into one big planet. The planet heated up during its formation, and hot metal dripped into its core.
“This meteorite had an abundance of carbon in it. And as it slowly cooled down, the iron and carbon came together and formed this mineral,” Mills said.
Eventually, the planet might’ve been struck by another astronomical body and destroyed, flinging the debris across the solar system.
The debris, Bonning posited, became the Wedderburn meteorite. The edscottite might’ve been created when all that metal heated up in the former planet.
Student at Huntsville public school tests positive for COVID-19 – Muskoka Region News
The first school-related COVID-19 case in the Trillium Lakelands District School Board has been confirmed to be a student.
During the evening of Tuesday, Sept. 22, a Huntsville parent posted a letter they received from the board confirming a positive COVID-19 case at Spruce Glen Public School in Huntsville.
“We have been notified by the Simcoe Muskoka District Health Unit (SMDHU) that a student or staff member at Spruce Glen Public School has tested positive for COVID-19. Our school is working closely with Trillium Lakelands District School Board and SMDHU and is taking necessary steps to prevent the further spread of the virus both in the school and in the community.”
Follow-up communications confirmed that the person is a female student from Huntsville between the ages of 0 and 17. A parent forwarded this newspaper the letter they received from the school on Wednesday, Sept. 23. Their child is in the same class as the siblings of the student who tested positive for COVID-19.
“The students have all taken their role to keep everyone safe, including themselves safe, very seriously. It is a real blessing! This is such a kind, caring, and amazing group of students. I am deeply moved by their considerate actions,” wrote a teacher at the school.
The school remains open at this time.
NASA tweaks space station's position to avoid collision with massive debris – National Post
NASA quickly shifted the position of the International Space Station to avoid a potentially catastrophic encounter with debris that would have passed within less than a mile of the orbital laboratory — a close shave in space terms.
The three-member crew was moved into a Soyuz spacecraft until the station was considered out of danger from the object, which was expected to pass by at about 5:21 p.m. Central time on Tuesday, the National Aeronautics and Space Administration said in a statement.
The agency didn’t reveal the size of the debris, which would have passed within 1.39 km (0.86 mile), forcing the 150-second “avoidance maneuver” burn by Mission Control in Houston. Colliding with orbital debris, or space junk, of even a few centimeters in diameter would be potentially catastrophic to the space station given that objects in low-earth orbit can travel at speeds of roughly 17,500 miles per hour (28,000 kilometers an hour) and higher.
The space station’s move occurred about an hour before the closest approach using thrust from the Russian Progress resupply craft that is docked on the ISS Zvezda service module.
Adjustments of the station’s orbit are fairly routine, although having the crew take shelter in the Soyuz spacecraft isn’t.
New Brunswick reports one new case of COVID-19, has four active cases – Yahoo News Canada
FREDERICTON — New Brunswick is reporting one new case of COVID-19 today.
Health officials say the new case involves an individual between 60 and 69 years old in the Miramichi region.
They say the case is related to travel from outside of the Atlantic bubble and the person is self-isolating.
There have been 197 confirmed cases of the novel coronavirus in New Brunswick to date, and 191 people have recovered.
Two people have died, and four cases are still active.
Health officials have conducted a total of 71,585 tests.
This report by The Canadian Press was first published Sept. 23, 2020.
The Canadian Press
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