SCIENCE

A Comet's Cosmic Connection: Could 3I/ATLAS Hold the Key to the Wow! Signal?

Ohio, USAThu Oct 09 2025

A Mysterious Connection

A comet from another star system, named 3I/ATLAS, has caught the attention of scientists. It might be linked to the famous Wow! signal, a mysterious radio wave detected in 1977.

The Wow! Signal

  • Detected: August 15, 1977
  • Location: Ohio telescope
  • Description: A strong, narrow radio wave at a specific frequency
  • Origin: Thought to be from outer space

The Comet 3I/ATLAS

  • First Seen: July 2023
  • Location: Telescope in Chile
  • Characteristics:
  • Moving very fast
  • Comes from outside our solar system
  • Not a threat to Earth
  • Closest Approach to the Sun: October 2025

Avi Loeb's Theory

Avi Loeb, a well-known astronomer from Harvard, thinks this comet could be the source of the Wow! signal.

  • Natural Comet: Shouldn't emit radio waves at a certain frequency.
  • Extraordinary Sign: If it does, it might be a sign of something more extraordinary.

Similar Directions

Loeb suggests the Wow! signal might have come from 3I/ATLAS because of their similar directions in the sky.

  • Chance of Random Occurrence: Low
  • Hope: More observations will be made to test his idea.

The Search for Life Beyond Earth

If radio waves are detected from the comet, it could be a big moment in the search for life beyond Earth.

Ongoing Studies

Scientists are still studying the Wow! signal and the comet 3I/ATLAS. More data is needed to understand their connection.

  • Potential Impact: If the comet emits radio waves, it could change what we know about interstellar objects and the search for extraterrestrial intelligence.

questions

    How do scientists typically verify the extraterrestrial origin of a radio signal?
    What other natural phenomena could explain the Wow! signal besides an interstellar object?
    Could the Wow! signal and 3I/ATLAS be part of a government experiment to test public reaction to extraterrestrial contact?

actions