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Cosmic rays seen at Earth show a wide range of particle energies, from 107 electron-volts (eV) to more than 1020 eV, the latter being about the same as the kinetic energy of a 450 gram football (soccer ball) being kicked across the pitch at about 8 meters per second. A plot of cosmic ray energies […] The gleaming skyscrapers and bright lights of the United Arab Emirates draw the eyes of all who travel there, a sign of the Arabian Peninsula nation’s rapid, oil-fueled development over the last decades into a major hub for commerce and tourism. Go to Source Space exploration is filled with setbacks, but the spectacular explosion of Blue Origin’s New Glenn rocket on Thursday night marked a significant blow to not only the company, which was founded by billionaire Jeff Bezos, but also NASA, with the two collaborating for the upcoming US moon missions. Go to Source Blue Origin investigates rocket explosion as public is warned about possible wreckage washing ashoreJeff Bezos’ Blue Origin is assessing damage to its launch pad after a rocket exploded during a test firing, creating a giant orange fireball seen and felt for miles around. Go to Source Past research has indicated Mars’s largest northern basin, Utopia Planitia, was once the location of a large body of water, but details surrounding when this body of water may have existed have not been resolved. Researchers have now identified a ring of minerals in the region that have helped them string together a timeline of […] Three Chinese astronauts returned to Earth on Friday after spending nearly seven months in space, setting a record for the longest on-orbit stay by a Chinese crew. Go to Source Which comes first, the galaxy or the black hole? We don’t know, but scientists have long thought it could be the galaxy: Large stars within an existing galaxy consume their fuel and collapse to form black holes, which can gobble up surrounding material and merge over time to form more massive entities. Go to Source […] Think about a census. You could photograph every house in the country and produce a beautiful map, but without knocking on doors and asking questions, you’d know almost nothing about the people living in them. Go to Source Astronomers may have uncovered a hidden supermassive black hole inside the famous Antennae galaxies NGC 4038/4039, a pair of colliding galaxies best known for their spectacular bursts of star formation. The paper outlining the findings was posted to the arXiv preprint server on May 21. Go to Source New York City residents and visitors look up at the sky to experience a phenomenon twice a year known as Manhattanhenge. Go to Source A rocket belonging to Jeff Bezos’ Blue Origin exploded during a test at the launch pad Thursday night, shaking nearby homes and briefly painting the sky orange. Go to Source Astronomers have found some of the strongest evidence yet that stars can swallow their own planets. A new study, published in Monthly Notices of the Royal Astronomical Society, supports the long-held belief that young stars are capable of “eating” nearby worlds as planetary systems form. Go to Source While NASA imagery has shown evidence of ancient rivers and lakes on Mars that transitioned to dry dunes, uncertainty remains over the timing of the environmental changes that may have contributed to these shifts. Go to Source The universe is full of fascinating structures, and some of the most striking take shape inside the giant clouds where stars are born. There, streams of gas appear to converge from all directions toward a dense central hub, like spokes meeting at the center of a wheel. Go to Source On the night of 18 December 2019, a star in our satellite galaxy, the Large Magellanic Cloud, briefly got brighter. Not dramatically nor explosively, just a smooth symmetrical rise and fall in brightness lasting about an hour, as though something had passed in front of it and bent its light toward us. Then it returned […] |
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