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.
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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 […] NASA’s Nancy Grace Roman Space Telescope is poised to make a major leap in the hunt for worlds outside our solar system, known as exoplanets. Scientists expect the mission to reveal around 100,000 worlds—a staggering leap compared to the nearly 6,300 found so far thanks to NASA missions working in tandem with other observatories. And […] Astronomical observations show that the most massive galaxies in the early universe formed approximately three to four billion years after the Big Bang and stopped producing stars very early in cosmic history, around one billion years after their formation. This strange behavior has puzzled experts in the field. For comparison, our galaxy, the Milky Way, […] The proton sharks showed up on a Friday. In a routine data calibration meeting for NASA’s Parker Solar Probe in 2020, a small group of scientists were scrolling through visualizations of their data showing solar winds. Suddenly, a weird shape flashed on the screen: Instead of the usual rounded blob of solar-wind protons, this distribution […] Mathematicians are challenging the idea that dark energy is responsible for the accelerating expansion of the universe. In a new paper published in Proceedings of the Royal Society A, mathematicians from the University of California, Davis, provide mathematical proof that instabilities inherent in the Einstein-Euler equations imply that the current model of the expanding universe […] About a billion years ago, Earth started to come into its own. It was past the awkwardness of its younger years full of growing pains and turmoil: comet strikes and slimy water, including the Great Oxidation Event that flipped the world upside down. Roughly a billion years ago, the planet began to advance and mature, […] |
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