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Search resuls for: "National Radio Astronomy"


4 mentions found


☆ Trinity Site, where first atomic blast was set off, opens for one day in October
  + stars: | 2023-09-12 | by ( Kathleen Bangs | ) edition.cnn.com   time to read: +12 min
Trinity Site is the national historic landmark that’s home to mankind’s first nuclear blast on July 16, 1945, where plutonium gamma rays lit up the night sky. A caution sign warns of radioactive materials at Trinity Site in New Mexico back in 2008. The open house event, hosted by the US Army, is free but limited to the first 5,000 guests, on a first-come, first-served basis. Trinity Site’s atmosphere during an open house is reminiscent of a small-town carnival from a bygone era. And on April 6, 2024, Trinity Site again opens for a single day.
Persons: CNN —, “ Oppenheimer, ”, Matt McClain, Jonathan Larsen, J, Robert Oppenheimer, McDonald, Sam Wasson, you’ll, Jim Lo Scalzo, Oppenheimer, “, John Dempsey, brightens, Jim Eckles, Trinity, we’ve, Bettymaya, Patricia Henning, Henning, Karl G, Jon G, Fuller Organizations: CNN, Jornada, Trinity, Washington Post, US Army, White, Manhattan Project, Sipa, AP, Albuquerque, Army, Venture, Jumbo, Alamos National Laboratory, New Mexico Gov, National Security Research, Alamogordo Air Base, Radio Astronomy, Getty, “ SETI, Extraterrestrial Intelligence Locations: New Mexico, New York City, Nagasaki, Japan, Trinity, Hiroshima, Socorro, San Antonio . New Mexico, San Agustin, Mexico
☆ Astronomers ‘hear’ the celestial choir of gravitational waves for the first time
  + stars: | 2023-06-29 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +7 min
CNN —Astronomers have been able to “hear” the celestial hum of powerful gravitational waves, created by collisions between black holes, echoing across the universe for the first time. Gravitational waves, initially predicted by Albert Einstein in 1916, are ripples in space-time that were first detected in 2015. Einstein theorized that gravitational waves would stretch and compress space as they moved across the universe, affecting how radio waves travel. More than 190 scientists set out to discover the frequencies of gravitational waves as part of the North American Nanohertz Observatory for Gravitational Waves collaboration, also known as NANOGrav. Searching for a celestial choirThe newly detected gravitational waves are the most powerful ever measured.
Persons: Albert Einstein, Einstein, ”, Chiara Mingarelli, We’ve, Simonnet, Scott Ransom, “, ” Ransom, Luke Kelley, ” Kelley, it’s, ” Mingarelli, “ It’s, Stephen Taylor Organizations: CNN —, American Nanohertz, Green Bank, Yale University, National Radio Astronomy, University of California, Vanderbilt University Locations: Arecibo, Puerto Rico, West Virginia, New Mexico, Berkeley, Europe, India, China, Australia
☆ Repeating radio signal leads astronomers to an Earth-size exoplanet
  + stars: | 2023-04-04 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +5 min
CNN —Astronomers have detected a repeating radio signal from an exoplanet and the star that it orbits, both located 12 light-years away from Earth. The signal suggests that the Earth-size planet may have a magnetic field and perhaps even an atmosphere. The researchers believe the radio signal was created by interactions between the planet’s magnetic field and the star. How strong radio waves occurIn order for the radio waves to be detectable on Earth, they must be very strong, the researchers said. “This research shows not only that this particular rocky exoplanet likely has a magnetic field but provides a promising method to find more.”
☆ Fact Check-False claims about the sun and clouds at night shared online
  + stars: | 2023-01-18 | by ( Reuters Fact Check | ) www.reuters.com   time to read: +5 min
Contrary to online claims, the earth is 93 million miles from the sun, is not flat and there is plenty of night-time footage of the planet taken from space, experts told Reuters. It also says the earth is flat and questions why clouds can’t be seen in nighttime images of the earth taken from space. Orsola de Marco, an astrophysicist at Macquarie University in Sydney, told Reuters that visibility of clouds at night could also depend on camera angle and the light source. Rather than a spacecraft looking directly through a cloud, shooting from an angle makes clouds more visible because more light can be reflected off the clouds, she said. Photos shared by the European Space Station at night showing clouds can be seen (here), (here), and (here).
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