Preface: The WOW signal was detected at a frequency near the hydrogen line, around 1420 MHz. This specific frequency was favored by SETI researchers because it’s a “quiet” band of the electromagnetic spectrum, also known as the “water hole,” where transmissions are protected from terrestrial interference and are naturally emitted by the most common element in the universe, hydrogen.
Background: Harvard astrophysicist Avi Loeb suggests the interstellar object 3I/ATLAS is in the same general direction as the 1977 Wow! Signal, with the two aligning within about 9 degrees. This proximity has led to speculation, including Loeb’s call for radio astronomers to investigate if 3I/ATLAS is emitting any signals, though there is currently no direct scientific evidence linking the two events.
WOW signal – This signal comes from the globular cluster M55 in Sagittarius.
M55 – M55 is not a constellation, but a globular cluster located in the constellation Sagittarius. Also known as the Specter Cluster or NGC 6809, it is an ancient ball of over 100,000 stars, around 12.5 billion years old.
From a scientific point of view, are there any questions?
Spectroscopic analysis of interstellar comet 3I/ATLAS has revealed the presence of nickel atoms, but notably without iron, which is a puzzling and anomalous observation compared to typical comets from our solar system and even the previous interstellar visitor 2I/Borisov. This unusual nickel-to-iron ratio is significantly higher and suggests nickel is released via photochemical processes, possibly from nickel carbonyls, rather than from the high-temperature sublimation of dust grains that would typically release both metals together.
Details provided by Professor Loeb – Please see the link for details: