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But the kicker is that this giant void shouldn't exist in the first place. For example, some people have correctly argued that such a void shouldn't exist in the standard model, which is true. Cosmologists have a value, called the Hubble constant, which they use to help describe how fast the universe's expansion is accelerating. The Hubble constant should be the same value wherever you look, whether it's close by or very far away. NASA/JPL-CaltechAstronomers can't agree on what's causing this discrepancy in the Hubble constant, and the contention has become known as the Hubble tension.
Persons: , we're, Claire Lamman, Indranil, Andrews, Hubble, Brian Keating, Keating, Banik Organizations: Service, Business, Harvard, Smithsonian Center, Astrophysics, Indranil Banik, University of St, Banik, Royal Astronomical Society, KBC, Hubble, NASA, JPL, Caltech, ESA, Palomar, Sky, UC San Diego, Sky Survey
Voyager 1’s flight data system collects information from the spacecraft’s science instruments and bundles it with engineering data that reflects its current health status. But since November, Voyager 1’s flight data system had been stuck in a loop. By investigating the readout, the team determined the cause of the issue: 3% of the flight data system’s memory is corrupted. Members of the Voyager flight team celebrate after receiving the first coherent data from Voyager 1 in five months at NASA's Jet Propulsion Laboratory on April 20. And younger engineers are coming onto the Voyager team and contributing their knowledge to keep the mission going.”
Persons: they’ve, , Linda Spilker, , Suzanne Dodd, “ We’ve, we’ve Organizations: CNN, NASA, Voyager, JPL, Network, Jet Propulsion Laboratory, Caltech
CNN —The total solar eclipse has come and gone, but sky-gazers have reason to keep looking up — a meteor shower will peak this week right before a full moon rises. The Lyrid meteor shower will be most active Sunday night through the early morning hours of Monday, according to the American Meteor Society. And April’s full moon, also known as the pink moon, reaches the crest of its full phase at 7:49 p.m. The pink moon actually got its moniker due to its annual appearance not long after the start of spring, much like its namesake, a hot pink wildflower called Phlox subulata that blooms in early springtime, according to The Old Farmer’s Almanac. Instead, an annular solar eclipse creates a “ring of fire” in the sky as the sun’s light surrounds the moon.
Persons: Ashley King, don’t, , ” King, Paul Hayne, Hayne, It’s, ” Hayne, Lorenzo Di Cola, Alpha Capricornids, Perseids, Draconids, Orionids, Leonids, Geminids, Ursids Organizations: CNN, American Meteor Society, Northern, NASA, University of Colorado, Orvieto Cathedral, , Alpha Locations: Southern, University of Colorado Boulder, Orvieto, Umbria, Italy, South America, Europe, Asia, Africa, North America
NASA's Chandra X-ray Observatory faces budget cuts that may end its mission. Photos show how the space telescope has beautifully captured the invisible universe for 25 years. download the app Email address Sign up By clicking “Sign Up”, you accept our Terms of Service and Privacy Policy . AdvertisementOne of NASA's top space telescopes may be facing an untimely end due to budget cuts. The Chandra X-ray Observatory has been orbiting Earth for 25 years, peering at the universe in X-ray light that's invisible to the human eye.
Persons: NASA's Chandra, Chandra, Webb, Organizations: Hubble, Service, Business
When our Great Americans go, we know how to mourn them. But there’s a Great American subset — where the adventure rocks the infrastructure and the life leaves a gash. In some other realm, the football career and its showbiz afterlife, pitching rental cars and enlivening spoofery, would have warranted the plain-old Great American treatment. Are we still in Great American territory? In a place some call “La La Land,” no less.
Persons: Simpson, What’d, spoofery, O.J, Folks, LeVar Burton, Nicole Brown Simpson, Ronald Goldman, beckoning, Organizations: Great Locations: O.J, Africa, La
She Dreams of Pink Planets and Alien Dinosaurs
  + stars: | 2024-04-10 | by ( Becky Ferreira | ) www.nytimes.com   time to read: +1 min
Have dinosaurs evolved on other worlds? Could we spot a planet of glowing organisms? What nearby star systems are positioned to observe Earth passing in front of the sun? These are just a few of the questions that Lisa Kaltenegger has joyfully tackled. How much is the diversity of opinion and emotion from people around the search for extraterrestrial life top-of-mind in your research?
Persons: Lisa Kaltenegger, Carl Sagan, Kaltenegger’s, Cornell Organizations: Carl Sagan Institute, Cornell University, Cosmos, New York Times Locations: Austria
Read previewWhen Delta first announced its special solar eclipse flight from Austin to Detroit, it was so popular that they had to arrange a second flight from Dallas to Detroit. But it turns out that people on board didn't get to see the total eclipse, according to one passenger. AdvertisementThe view from the aircraft during the special solar eclipse flight. "Even though we didn't get it completely, it was a fun community experience," he told the outlet. The solar eclipse was expected to be a big boon for local economies along its path, with millions of visitors spending money to travel across the country to get the best viewing spot.
Persons: , James Larounis, Larounis Organizations: Service, Delta, Passengers, Business, Dallas, Washington Post Locations: Austin, Detroit, Dallas, Washington, Atlanta
London —Physicist Peter Higgs, whose theory of an undetected particle in the universe changed science and was vindicated by a Nobel prize-winning discovery half a century later, has died aged 94, the University of Edinburgh said on Tuesday. Higgs described himself as “incompetent” in the physics laboratory at school and at first preferred maths and chemistry. What came to be known as the Higgs boson would solve the riddle of where several fundamental particles get their mass from: by interacting with the invisible “Higgs field” that pervades space. That interaction, known as the “Brout-Englert-Higgs” mechanism, won Higgs and Belgium’s Francois Englert the Nobel prize in physics in 2013. CERN’s massive Large Hadron Collider finally proved to be the sledgehammer needed to crack the nut, and in 2012 two experiments there independently found the Higgs boson.
Persons: Peter Higgs, Higgs, “ Peter Higgs, , Sir Peter Mathieson, Paul Dirac, Belgium’s Francois Englert, Robert Brout, , Rolf Heuer, welling, theoreticians, Jody Williamson, ’ ”, Robert Evans, Tom Miles, Farouq Suleiman, Pravin Char, Mark Heinrich Organizations: London, University of Edinburgh, CERN, Reuters, , Edinburgh University, Fermilab, Collider, chuckling Locations: Geneva, Chicago, American, Edinburgh
On Feb. 26, 1998, hundreds of people gathered to watch a total solar eclipse. They oohed and aahed as the feathery streams of the top of the solar atmosphere burst into view. Except that crowd wasn’t actually in Aruba. They were thousands of miles away in San Francisco, clustered in front of a screen at a museum called the Exploratorium. For what might have been the first time in the history of the internet, a solar eclipse was streamed live.
Persons: wasn’t, Charlie Organizations: Technology, NASA, Challenger Locations: Aruba, San Francisco
New data from the largest 3-D map of our universe suggests we may be wrong about dark energy. One of the driving forces behind that evolution is also one of our age's biggest mysteries in physics: dark energy. Einstein abandoned the idea as his "greatest blunder" in the 1930s, as astrophysicist Ethan Siegal explains, but a constant dark energy would have vindicated him. "If true, it would be the first real clue we have gotten about the nature of dark energy in 25 years," Adam Riess, a Nobel laureate for his co-discovery of dark energy, told Quanta Magazine. "The idea that dark energy is varying is very natural," Paul Steinhardt, a Princeton University cosmologist, told the magazine.
Persons: , we're, Michael Levi, Levi, DESI, Marenfeld, Claire Lamman, Albert Einstein's, Einstein, Ethan Siegal, Albert Einstein, Ernst Haas, Adam Riess, Paul Steinhardt, Princeton University cosmologist, Riess, Vera C, Travis Lange, Jacqueline Ramseyer Orrell, NASA's Nancy Grace, Arnaud de Mattia, Mattia Organizations: Service, Lawrence Berkeley National Laboratory, American Physical Society, Princeton University, NASA, Rubin, Accelerator, Atomic Energy Commission Locations: Arizona, Princeton , New Jersey
Dark energy was assumed to be a constant force in the universe, both currently and throughout cosmic history. He shared the 2011 Nobel Prize in Physics with two other astronomers for the discovery of dark energy, but was not involved in this new study. “It may be the first real clue we have gotten about the nature of dark energy in 25 years,” he said. That conclusion, if confirmed, could liberate astronomers — and the rest of us — from a longstanding, grim prediction about the ultimate fate of the universe. Instead, it seems, dark energy is capable of changing course and pointing the cosmos toward a richer future.
Persons: , Biden, , Adam Riess, Organizations: Johns Hopkins University, Telescope Science Locations: Baltimore
A Lifetime Under the Moon’s Shadow
  + stars: | 2024-04-02 | by ( Dennis Overbye | ) www.nytimes.com   time to read: +1 min
A total solar eclipse, when the cosmos clicks into place with the worlds aligned like cue balls, may be one of the most profoundly visceral experiences you can have without ingesting anything illegal. Eight times, I’ve been through this cycle of light, darkness, death and rebirth, feeling the light melt and seeing the sun’s corona spread its pale feathery wings across the sky. As you read this article, I will be getting ready to go to Dallas, along with family and old friends, to see my ninth eclipse. One old friend won’t be there: Jay M. Pasachoff, who was a longtime astronomy professor at Williams College. I’ve stood in the shadow of the moon with him three times: on the island of Java in Indonesia, in Oregon and on a tiny island off Turkey.
Persons: I’ve, won’t, Jay M, Pasachoff, Jay Organizations: Williams College Locations: Dallas, Java, Indonesia, Oregon, Turkey
NASA's James Webb Space Telescope has unlocked a window into our universe unlike any before. Using its powerful infrared vision, JWST can peer into the hearts of stellar nurseries. JWST reveals how stars, planets, and potentially life itself, form in our universe. NEW LOOK Sign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Stellar nurseries, where new stars bloom to life, are thick clouds of gas and dust, a.k.a.
Persons: NASA's James Webb, , James Webb, Klaus Pontoppidan, they're Organizations: Service, Jet Propulsion Laboratory
CNN —Astronomers using the James Webb Space Telescope have detected commonplace chemical ingredients found in vinegar, ant stings and even margaritas around two young stars, according to NASA. The complex organic molecules they observed using the space observatory’s Mid-Infrared Instrument included acetic acid, a component of vinegar, and ethanol — otherwise known as alcohol. The team also found simple molecules of formic acid, which causes the burning sensation associated with ant stings, as well as sulfur dioxide, methane and formaldehyde. Stars form from swirling clouds of gas and dust, and the leftover material from star formation gives rise to planets. Detecting complex organic molecules in space is helping astronomers to determine the molecules’ origins as well as those of other larger cosmic molecules.
Persons: James Webb, Carl Sagan, , Webb, detections, , Will Rocha, Young, Ewine van Dishoeck, Harold Linnartz, Linnartz, “ Harold, ” van Dishoeck Organizations: CNN —, NASA, ESA, Hustak, Leiden University, Astrophysics, Leiden Laboratory Locations: astrochemistry, Netherlands, ices
A new signal recently received from the spacecraft suggests that the NASA mission team may be making progress in its quest to understand what Voyager 1 is experiencing. Voyager 1’s flight data system collects information from the spacecraft’s science instruments and bundles it with engineering data that reflects the current health status of Voyager 1. But since November, Voyager 1’s flight data system has been stuck in a loop. On March 3, the team noticed that activity from one part of the flight data system stood out from the rest of the garbled data. The decoded signal included a readout of the entire flight data system’s memory, according to an update NASA shared.
Persons: , Suzanne Dodd Organizations: CNN — Engineers, NASA, Voyager, Network, CNN
CNN —When NASA’s Europa Clipper aims to launch on its highly anticipated mission to an icy moon in October, the spacecraft will carry a unique design etched with names, poetry and artwork symbolizing humanity. This latest mission is headed to Jupiter’s moon Europa, one of several lunar ocean worlds considered to be the best places to search for life beyond Earth. NASA/JPL-CaltechA planetary legacyEarly NASA probes such as Pioneer 10 and Voyager have continued to inspire the artwork that travels aboard other planetary science missions. “The content and design of Europa Clipper’s vault plate are swimming with meaning,” said Lori Glaze, director of NASA’s Planetary Science Division, in a statement. “We’ve packed a lot of thought and inspiration into this plate design, as we have into this mission itself,” said Robert Pappalardo, project scientist at JPL, in a statement.
Persons: Ada Limón, Ron Greeley, Drake, Frank Drake, , Lori Glaze, Robert Pappalardo, “ It’s Organizations: CNN, Clipper, Parker, Probe, National Oceanic, Atmospheric Administration, Jet Propulsion Laboratory, , US, Arizona State University, University of California, NASA, JPL, Caltech, Planetary Science, Europa Clipper Locations: Pasadena , California, Europa, University of California Santa Cruz
CNN —Astronomers have spotted the oldest “dead” galaxy ever observed while studying the cosmos with the James Webb Space Telescope, and it’s one of the deepest views into the distant universe made with the observatory to date. The galaxy existed when the universe was only about 700 million years into its current age of about 13.8 billion years. But something made the galaxy suddenly halt star formation almost as quickly as star birth had begun more than 13 billion years ago, and the researchers have yet to uncover the cause. Studying the galaxy could reveal new insights about the early universe and the factors that affect star formation within galaxies, according to the authors. “Until now, to understand the early universe, we’ve used models based on the modern universe.
Persons: James Webb, , , Tobias, Francesco D’Eugenio, “ We’re, Webb, Roberto Maiolino, Maiolino, ” D’Eugenio, Organizations: CNN —, Telescope, University of Cambridge’s Kavli, Cosmology, Kavli, Cavendish Laboratory, University of Cambridge
In the worst-case scenario, the collision would have ejected 7,500 bits of debris into low-Earth orbit. Satellite collisions are becoming more likely as the amount of space junk in low-Earth orbit grows. Even the tiniest debris can damage the space station and endanger astronauts, though no astronaut has lost their life due to space debris (yet). The race to clean up spaceThe consequences of space debris are very real, so much so, that the worst-case scenario has a name: Kessler syndrome. TransAstra's capture bags could help solve Earth's space debris problem.
Persons: , LeoLabs, Darren McKnight, NASA ODPO, Kessler, Astroscale Organizations: Service, Space, NASA, European Space Agency, Federal Communications Commission, Dish Locations: Russia, India
CNN —Astronomers have spotted the brightest known object in the universe, and it’s a quasar powered by the fastest-growing black hole on record, according to a new study. The black hole powering the quasar devours the equivalent of one sun per day and has a mass about 17 billion times that of our sun, the researchers found. A black hole is massive power sourceThe intense gravitational influence of black holes draws matter toward these celestial objects in such an energetic way that the process creates light. The blinding radiation is due to the black hole’s accretion disk, or the ring around the black hole where material gathers before being consumed. The team followed up with observations from the powerful Very Large Telescope in Chile’s Atacama Desert to confirm details about the black hole, including its hefty mass.
Persons: , Christian Wolf, ” Wolf, Samuel Lai, Wolf, Southern Observatory’s Schmidt, Christopher Onken Organizations: CNN —, Southern, National University’s College of Science, National University’s Research, of Astronomy, Astrophysics, Hubble, Southern Observatory’s, Sky Survey, Sky, Dark Energy Survey, Energy Survey, ESO Locations: Coonabarabran, New South Wales, Atacama
The NASA PACE, or Plankton, Aerosol, Cloud, and ocean Ecosystem, mission is set to lift off at 1:33 a.m. Although designed as a three-year mission, PACE has enough fuel to continue orbiting and studying Earth for up to 10 years. “In many ways, we know more about the surface of the moon than we do about our own oceans,” St. Germain said. “PACE will be the most advanced mission we’ve ever launched to study ocean biology. While phytoplankton play a major role in drawing carbon dioxide from Earth’s atmosphere, some species can be harmful, too.
Persons: Jeremy Werdell, , Karen St, Germain, ” Werdell, Pam Melroy, Kate Calvin, ” Calvin, Calvin, , Andy Sayer, Webb, Norman Kuring Organizations: CNN, NASA PACE, SpaceX, Cape Canaveral Space Force, YouTube, PACE, Science, NASA, SpaceX “ Locations: Cape, Florida, St, ” St
Read previewNEW ORLEANS — When SpaceX launched its first Starlink satellites, astronomers all over the world freaked out and the company quickly became a villain of the skies. Nonetheless, Starlink satellites — now more than 5,000 strong — are streaking across astronomers' views of the cosmos, ruining their data. SpaceX leads the way for changeA satellite trail streaks in front of galaxies in this image from the Hubble Space Telescope. The visors were a regular feature for many Starlink satellites until SpaceX added laser communications. AdvertisementChris Hofer, international team lead for Amazon's Project Kuiper internet satellites, told the astronomers in New Orleans that SpaceX's Starlink tinkering has been helpful.
Persons: , James Lowenthal, Lowenthal, SpaceX isn't, Jonathan McDowell, McDowell, that's, Patricia Cooper, Elon Musk, Slaven Vlasic, They're, Chris Hofer, Hofer, Kristina Barkume, Barkume Organizations: Service, SpaceX, New York Times, Business, Times, Hubble, Telescope, NASA, ESA, American Astronomical Society, International Astronomical Union, CPS, Planet Labs, Amazon Locations: New Orleans
Mars Perseverance rover loses its trusty scout
  + stars: | 2024-01-27 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +7 min
And it’s time to bid farewell to one of the most delightfully plucky robots ever to explore Mars. Other worldsThe Ingenuity helicopter, seen here on Mars in an image taken by the Perseverance rover on August 2, 2023, has flown for the last time. Ingenuity served as the Perseverance rover’s faithful companion and aerial scout for nearly three years since its maiden flight on April 19, 2021. A long time agoAiming to trace syphilis' origins, researchers used paleopathology techniques to study ancient human bones at the site Jabuticabeira II in Brazil's Santa Catarina state. They find wonder in planets beyond our solar system and discoveries from the ancient world.
Persons: , Theodore Roosevelt, Teddy Tzanetos, Thomas Jefferson, it’s, Jose Filippini, Samson Acoca, Pierre, Olivier Cheptou, Ashley Strickland, Katie Hunt Organizations: CNN, Jet Propulsion Laboratory, European Space Agency, NASA, JPL, Caltech, University of Montpellier, Hubble, , CNN Space, Science Locations: Pasadena , California, United States, Brazil's Santa Catarina, Brazil, France, British
CNN —Closed to tourists until recently, Saudi Arabia is still an unknown quantity for many would-be travelers. Omran is also hopeful visitors will explore destinations across Saudi Arabia. Saudi Tourism Authority“You can’t talk about islands in Saudi Arabia without talking about a new tourist favorite, but a treasured local one, Al Nawras Island,” Saudi professional boxer Ziyad Almaayouf tells CNN. “What I love most about Al Nawras Island, isn’t the island itself, but the waters surrounding it,” he adds. The resort on the Red Sea coast is often promoted as “the Maldives of Saudi Arabia,” offering water sports and cultural experiences.
Persons: Lojain Omran, Omran, , Al Balad, Mai Eldib, Hajj, ” Eldib, Jeddah’s, “ It’s, ” Al, Ziyad Almaayouf, ” Ziyad, Ziyad, , Mishaal Ashemimry, Mishaal, Tamtam, Reem Altamimi, Al Zal, Ba’a, Hatem Alakeel, Authenticite, “ Diriyah, Umluj, ” Tasneem Organizations: CNN, Netflix’s, Saudi Tourism Authority, MISHAAL Aerospace, Abaca, Saudi Locations: Saudi Arabia, Saudi, Netflix’s UAE, Al Balad, Al, Jeddah, Mai, ” Al Nawras, Nawras, Al Nawras, California, , Unaizah, Riyadh, , Souk Al Zal Souk Al Zal, USA Riyadh, Al Zal, Riyadh’s Al Dirah, Los Angeles, Maldives
NEW YORK (AP) — A poetry collection, a coming-of-age novel and a history of deep sea exploration are unlikely to be found in the same section of your favorite bookstore. But they all have enough in common to be this year's winners of Science + Literature awards, $10,000 prizes administered by the National Book Foundation and the Alfred P. Sloan Foundation. While ““The Bathysphere Book” is the only winner you could officially classify as science, all three works draw upon science and the natural world. In “Digging Stars,” the protagonist is an astronomer from Zimbabwe who emulates her father's profession. Sze, a National Book Award winner for poetry in 2019, has written often about nature and the cosmos.
Persons: Alfred P, Arthur Sze's “, Rosa, Brad Fox’s, , , Sze, Brad Fox, Arthur Sze, Novuyo Rosa Tshuma, Ruth Dickey, Doron Weber, Kai Bird, Martin J, Sherwin's “ Oppenheimer, Margot Lee Shetterly's, Weber, Sloan, ” Weber, Shane Campbell, Staton, Brian Teare, Ricardo Nuila Organizations: National Book Foundation, Sloan Foundation, Book Foundation, Sloan, People’s, Medicine Locations: Zimbabwe, Manhattan, Japan
If all goes as planned, Nova-C, built by the private company Intuitive Machines, under NASA’s Commercial Lunar Payload Services program, will touch down on the moon about seven days later, bearing suites of scientific instruments. Peregrine, built by Astrobotic Technology under another Commercial Lunar Payload Services contract, successfully flew into space on Jan. 8, but its mission was cut short because of a fuel leak. It failed to be the first private mission to land on the moon, but Nova-C could succeed — and so could the one after that, and many more. For the first time, the moon will be occupied by private capital, including small startups whose aims transcend science and exploration, launching landers and capsules. The Commercial Lunar Payload Services program, as part of Artemis, encourages private companies to build landers and even rovers that NASA can pay to use, as opposed to the traditional approach of NASA-built equipment.
Persons: Jeff Koons, Peregrine, , landers, Artemis Organizations: Payload Services, Astrobotic Technology, NASA Locations: Nova
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