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Astrophysicists observe one of the most powerful short gamma-ray bursts ever

Astrophysicists observe one of the most powerful short gamma-ray bursts ever

Science
Aug. 5 (UPI) -- The collision of two distant neutron stars released one of the most powerful short gamma-ray bursts ever recorded, scientists say. The collision marked the first time scientists have recorded millimeter-wavelength light from a fiery explosion to be caused by the merger of a neutron star with another star. It was observed on Nov. 6, 2021. The observation was made with the Atacama Large Millimeter/submillimeter Array, or ALMA, in Chile. ALMA is an international observatory operated by the National Science Foundation's National Radio Astronomy Observatory. "Afterglows for short bursts are very difficult to come by, so it was spectacular to catch this event shining so brightly," ALMA principal investigator Wen-fai Fong said in a statement. "After many years observing these bu...
Most of Earth’s carbon came from the interstellar medium

Most of Earth’s carbon came from the interstellar medium

Science
April 2 (UPI) -- We really are made of stardust. New research suggests the majority of Earth's carbon came from the interstellar medium, the diffuse supply of gas and dust found between a galaxy's stars. According to a new study, published Friday in the journal Science Advances, carbon from the interstellar medium became incorporated into the solar system's protoplanetary disk just a million years after the sun was born. Advertisement Previously, scientists hypothesized most of Earth's organic molecules were sourced from nebular gas. As gas from the stellar nebula cooled, researchers surmised, carbon and other molecules precipitated out of the cloud and became incorporated into rocky planets. The problem with this theory is that once carbon vaporizes, it's unable to condense back into a s...
1 in 4 hospitalized patients with most severe form of COVID-19 will die, study finds

1 in 4 hospitalized patients with most severe form of COVID-19 will die, study finds

Health
April 2 (UPI) -- About 23% of people hospitalized with COVID-19 experience the most severe form of the disease and roughly one in four of them will die due to its complications, according to a study published Friday by PLOS ONE. An additional 60% suffer from the "normal" symptoms, but still have serious heart and lung complications that carry a 10% risk for death, the data showed. Advertisement Collectively, COVID-19 patients in these two categories are more than seven times as likely to be hospitalized due to the illness and nearly three times as likely to die from it, compared to the 17% percent of patients with mild infections, the researchers said. "Patients do not suffer from COVID-19 in a uniform matter," researchers from the University of Minnesota Medical School in Minneapolis wro...
SLS: Successful test for world’s most powerful rocket

SLS: Successful test for world’s most powerful rocket

Science
NASANasa has carried out a successful test on part of the most powerful rocket in existence - the Space Launch System (SLS).Its engines were kept running for more than eight minutes - to simulate the time that it takes the rocket to get from the ground into space.It's the second such test for the biggest segment of the SLS, after an attempt in January shut down early.The SLS is to send humans to the lunar surface for the first time since 1972.The mission is part of Nasa's Artemis project, launched by the Trump administration in 2017.The test was carried out on the rocket's core stage. The SLS consists of the orange core, with its four powerful RS-25 engines, and two boosters attached to the sides. The RS-25s, built by California-based Aerojet Rocketdyne, are much the same engines that powe...
Piers Morgan’s Meghan outbursts become Ofcom’s most complained about TV moments

Piers Morgan’s Meghan outbursts become Ofcom’s most complained about TV moments

Entertainment
Piers Morgan's outbursts about the Duchess of Sussex on Good Morning Britain have become Ofcom's most complained about TV moments ever.The presenter's comments, made after Meghan and Harry's bombshell-filled interview with Oprah Winfrey, have now seen more than 57,000 people - including Meghan herself - get in touch with the broadcasting watchdog, which is investigating. On Wednesday, Morgan tweeted: "Only 57,000? I've had more people than that come up & congratulate me in the street for what I said. The vast majority of Britons are right behind me."In the explosive Oprah interview, which aired in the US on Sunday 7 March, Meghan said she had considered suicide during her time in the Royal Family as she felt like she "didn't want to be alive anymore". On GMB the following day, Morgan s...