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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...
Powerful Typhoon Haishen bears down on southern Japan

Powerful Typhoon Haishen bears down on southern Japan

World
Sept. 4 (UPI) -- Typhoon Haishen, the season's first super typhoon, bore down on Japan and South Korea on Saturday. Haishen became the first super typhoon of the season in the western Pacific Ocean late this past week, according to the Joint Typhoon Warning Center. Despite losing some wind intensity and no longer holding that status, Haishen remains a powerful and dangerous typhoon as it nears land. Advertisement The Korean Peninsula is bracing for its third significant typhoon strike within a week's time following Maysak and Typhoon Bavi, which made landfall in North Korea on Aug. 27. Residents still recovering from those two powerful storms will have little time to prepare for Haishen. As of Saturday night, typhoon warnings were in place across the Ryukyu Islands and southwestern Kyushu...
Magnetic flux powers black hole’s powerful jet

Magnetic flux powers black hole’s powerful jet

Science
Aug. 21 (UPI) -- Astronomers have discovered a powerful plasma jet that mysteriously lights up far from its origins. The discovery, detailed Friday in the journal Nature Communications, suggests that such flares are powered by what is called magnetic reconnection. Black holes can pull in and destroy matter, gas and light from tremendous distances. As this ill-fated matter condenses and swirls violently toward a black hole, the turbulence generates powerful plasma beams than can extend for thousands of light-years. Advertisement The bending of light in the center of a black hole creates what is called a black hole's shadow, causing the jets to seemingly appear out of nowhere. Recently, astronomers observed plasma jets emerging especially far from their black hole source. Observations captu...
Powerful supernova could explain extinctions at the end of the Devonian period

Powerful supernova could explain extinctions at the end of the Devonian period

Science
Aug. 18 (UPI) -- New research suggests harmful cosmic rays from a nearby supernova might have caused the extinction events that form the boundary between the Devonian-Carboniferous periods. Around 360 million years ago, a lengthy period of biodiversity declines culminated in a series of extinction events that saw 19 percent of all families and 50 percent of all genera disappear. Advertisement Scientists have previously unearthed a diversity of Late Devonian plant spores that show evidence of being burnt by ultraviolet light, signs of a prolonged ozone-depletion event. "Earth-based catastrophes such as large-scale volcanism and global warming can destroy the ozone layer, too, but evidence for those is inconclusive for the time interval in question," lead researcher Brian Fields said in a n...
Most powerful supernova in the universe discovered

Most powerful supernova in the universe discovered

Technology
An international team of astronomers has discovered a supernova which is at least twice as bright and energetic, and they believe much more massive, than any other ever spotted in the universe.Led by the University of Birmingham, the team believe the super-supernova, officially named SN2016aps, could be an example of something called a "pulsational pair-instability" supernova produced after two massive stars merged. This extremely rare event has previously been only theoretical, and no astronomical observations had been made which supported its existence until the researchers published their findings in the journal Nature Astronomy. ...