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Search resuls for: "Robin George Andrews"


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☆ Two Killer Asteroids Are Flying by Earth, and You May Be Able to See One
  + stars: | 2024-06-27 | by ( Robin George Andrews | ) www.nytimes.com   time to read: +1 min
This week, two asteroids — one big enough to destroy a city, and the other so large it could end civilization — are set to fly near our planet. Both have a zero percent chance of impacting Earth. And, depending on where you are in the world, you may even be able to see one of them. It is a whopping 7,600 feet long, but it will be too far to spot easily without a strong telescope. On Saturday, at 9:46 a.m. Eastern time, it will zip by Earth at 75 percent of the distance to the moon.
Persons: speck
☆ Mars Got Cooked by a Recent Solar Storm
  + stars: | 2024-06-13 | by ( Robin George Andrews | ) www.nytimes.com   time to read: 1 min
When they slammed into Earth’s magnetic bubble, the world was treated to iridescent displays of the northern and southern lights. But our planet wasn’t the only one in the solar firing line. A few days after Earth’s light show, another series of eruptions screamed out of the sun. This time, on May 20, Mars was blitzed by a beast of a storm. Observed from Mars, “this was the strongest solar energetic particle event we’ve seen to date,” said Shannon Curry, the principal investigator of NASA’s Mars Atmosphere and Volatile Evolution orbiter, or MAVEN, at the University of Colorado, Boulder.
Persons: Mars, ”, Shannon Curry Organizations: University of Colorado Locations: University of Colorado , Boulder
☆ Rivers of Lava on Venus Reveal a More Volcanically Active Planet
  + stars: | 2024-05-27 | by ( Robin George Andrews | ) www.nytimes.com   time to read: +1 min
But to see molten rock bleed out of a volcano on a different planet would be extraordinary. That is close to what scientists have spotted on Venus: two vast, sinuous lava flows oozing from two different corners of Earth’s planetary neighbor. Earth and Venus were forged at the same time. So why is Earth a paradise overflowing with water and life, while Venus is a scorched hellscape with acidic skies? One theory holds that, eons ago, several apocalyptic eruptions set off a runaway greenhouse effect on Venus, turning it from a temperate, waterlogged world into an arid desert of burned glass.
Persons: ”, Davide Sulcanese Locations: Pescara, Italy, Venus
☆ 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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