Tag: Interstellar Objects


  • Comet 3I/ATLAS: NASA’s Facts on the Interstellar Visitor to Our Solar System

    Comet 3I/ATLAS: NASA’s Facts on the Interstellar Visitor to Our Solar System

    What is Comet 3I/ATLAS? Comet 3I/ATLAS, designated as an interstellar object, is only the third known visitor to travel through our solar system from another star system. Its brief path past Earth in 2017 captured public imagination and scientific interest alike, because it provided a unique glimpse into materials and dynamics beyond our solar neighborhood.…

  • Comet 3I/ATLAS: How to See the Interstellar Visitor Tonight and Online

    Comet 3I/ATLAS: How to See the Interstellar Visitor Tonight and Online

    What is Comet 3I/ATLAS? Comet 3I/ATLAS is notable for being one of the few interstellar objects detected passing through our solar system. First spotted in late 2023, it was quickly recognized as a visitor from beyond our solar neighborhood. As it reaches its closest point to Earth, skywatchers have a rare chance to see a…

  • X-Ray Glow from Interstellar Comet 3I/ATLAS Detected Across 250,000 Miles

    X-Ray Glow from Interstellar Comet 3I/ATLAS Detected Across 250,000 Miles

    Unprecedented X-Ray Views of an Interstellar Visitor In a landmark observation, scientists have detected a distinct X-ray glow from interstellar comet 3I/ATLAS, extending about 250,000 miles into space. This marks the first time researchers have captured two separate X-ray perspectives of an object born outside our solar system. The discovery provides a rare window into…

  • Scientists detect X-ray glow from interstellar comet 3I/ATLAS extending 250,000 miles into space

    Scientists detect X-ray glow from interstellar comet 3I/ATLAS extending 250,000 miles into space

    A historic glimpse into an interstellar visitor In a landmark observation, astronomers have detected a distinct X-ray glow from the interstellar comet 3I/ATLAS, stretching an astonishing 250,000 miles into space. This unprecedented finding provides a rare window into the complex dance between a visitor from beyond our solar system and the Sun’s ever-present solar wind.…

  • Larry Denneau and the Interstellar Comet 3I/ATLAS Discovery

    Larry Denneau and the Interstellar Comet 3I/ATLAS Discovery

    Background: A Routine Night Turns Extraordinary Summoned by the familiar hum of servers and the glow of multiple monitors, Larry Denneau, a senior software engineer and astronomer at the University of Hawaii’s Institute for Astronomy, prepared for another quiet night of data analysis on July 1, 2025. The nightly workflow—so routine for Denneau and his…

  • Why the UN Is Watching Interstellar Comet 3I/ATLAS Closely

    Why the UN Is Watching Interstellar Comet 3I/ATLAS Closely

    Overview: The UN’s interest in 3I/ATLAS As the interstellar comet 3I/ATLAS makes its approach, global observers are paying close attention to how humanity would respond to a visitor from outside our solar system. While comets are not uncommon, 3I/ATLAS is special because it originates from another star system. Its trajectory, speed, and composition could offer…

  • Why interstellar comet 3I/ATLAS’ close Earth approach is an early Christmas gift for astronomers

    Why interstellar comet 3I/ATLAS’ close Earth approach is an early Christmas gift for astronomers

    Introduction: A rare visitor from beyond our solar system In the pantheon of celestial surprises, few events spark as much wonder as an interstellar object slipping through our cosmic neighborhood. Comet 3I/ATLAS, the third confirmed interstellar visitor to our solar system, offered scientists an unprecedented close approach to Earth. For astronomers—whether seasoned researchers or enthusiastic…

  • NASA releases detailed images of rare interstellar comet passing through solar system

    NASA releases detailed images of rare interstellar comet passing through solar system

    NASA unveils close-up images of rare interstellar visitor NASA released a set of detailed images on Wednesday that offer an unprecedented look at the interstellar comet 3I/Atlas as it makes a swift, one-time visit through the solar system. Discovered over the summer, Atlas is only the third confirmed object from outside our solar system to…

  • Interstellar Comet 3I/ATLAS Emits First-Ever Radio Signal—But Not From Aliens

    Interstellar Comet 3I/ATLAS Emits First-Ever Radio Signal—But Not From Aliens

    What Happened: A Landmark Detection from 3I/ATLAS In a surprising—but scientifically grounded—development, astronomers announced the first-ever radio signal associated with the interstellar comet 3I/ATLAS as it journeyed through the inner solar system. The signal, detected as the comet approached its halfway point on its one-way voyage, instantly sparked popular curiosity about the possibility of intelligent…

  • What the Radio Signal From Interstellar Comet 3I/ATLAS Really Means

    What the Radio Signal From Interstellar Comet 3I/ATLAS Really Means

    What Was Detected? Astronomers announced a notable radio signal associated with the interstellar comet 3I/ATLAS as it whizzed through our solar system on a rare, one-way journey. The signal sparked wide speculation about possible intelligent origins, but the consensus among researchers quickly shifted toward a natural explanation. The event highlights how even mundane cosmic activity…