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☆ Comet Fragment Explodes in Dark Skies Over Spain and Portugal
  + stars: | 2024-05-19 | by ( Robin George Andrews | ) www.nytimes.com   time to read: +1 min
On Saturday, revelers across Spain and Portugal ventured into the temperate springtime evening, hoping for a memorable night. At 11:46 p.m. in Portugal, a fireball streaked across the sky, leaving a smoldering trail of incandescent graffiti in its wake. Footage shared on social media shows jaws dropping as the dark night briefly turns into day, blazing in shades of snowy white, otherworldly green and arctic blue. Experts say it had a strange trajectory, not matching the sort normally taken by nearby space rocks. None of the object is likely to have made it to the ground, the European Space Agency said.
Organizations: European Space Agency Locations: Spain, Portugal
☆ Under a Hellish Ocean Habitat, Bizarre Animals Are Lurking
  + stars: | 2023-08-08 | by ( Robin George Andrews | ) www.nytimes.com   time to read: +1 min
But not all experts were so surprised by the discovery. “I think it makes perfect sense,” said Julie Huber, a marine geochemist and microbiologist at the Woods Hole Oceanographic Institution in Massachusetts who wasn’t involved with the work. “The shallow subseafloor, where temperatures are likely cool enough for animals to survive, is what I think of as a ‘subseafloor conveyor belt’ for microbes, nutrients and, now, animals.”Much about these unusual habitats is a mystery. Deep below, the magmatic heat roasts percolating seawater, which jets back out into the water column as superheated, mineral-rich soups. Despite their extreme natures, these vents are metropolises of strange critters.
Persons: ”, Julie Huber, wasn’t Organizations: Oceanographic Locations: Massachusetts
☆ Killer Asteroid-Spotting Software Could Help Save the World
  + stars: | 2023-08-05 | by ( Robin George Andrews | ) www.nytimes.com   time to read: +1 min
But when it comes to saving the world from asteroid strikes, lines of code may prove to be our savior. Telescopes surveying the skies for errant space rocks are overseen by astronomers, but their systematic movements are driven by ones and zeros. With so much inky sky to peruse, scientists rely on algorithms to spot suspicious and speedy objects, including asteroids that may threaten Earth. Conventional algorithms need four images, taken during a single night, of a moving object to confirm whether it’s a genuine space rock. And the program, named HelioLinc3D, has already found a near-Earth asteroid that older surveys had missed.
Organizations: University of Washington, NASA
☆ Webb Telescope Finds a Star Cloaked in 3 Rings of Ruined Worlds
  + stars: | 2023-05-08 | by ( Robin George Andrews | ) www.nytimes.com   time to read: +1 min
Fomalhaut, a star just 25 light-years away, is so dazzlingly bright that it blots out the faint light of other stars around it. Stargazers have been enraptured by its secrets for thousands of years. Now, with the help of the James Webb Space Telescope, astronomers have documented evidence that Fomalhaut is a dynamic star wreathed in cosmic chaos. The powerful observatory’s infrared vision is letting astronomers better understand Fomalhaut’s features, including a mysterious ring unlike anything found in our solar system. “It’s the first time we’ve seen such structures in an evolved system.”The findings could contribute to the solution to an existential puzzle: How weird, or ordinary, is our solar system?
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