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Why haven't UFOs contacted us yet? The new theory sheds light on life in the universe

2024-09-11 18:54:50Lifestyle SHKRUAR NGA REDAKSIA VOX
Why haven't UFOs contacted us yet? The new theory sheds light on life in
Why haven't UFOs contacted us yet? The new theory sheds light on life in the universe

Speculation that some form of alien life exists beyond our planet goes as far back as Ancient Greece and Rome, yet we have yet to make contact with them.

There have been various theories, including the idea that human-level intelligence is completely 'unique' in the universe, but one scientist has discovered a more likely scenario.

According to him alien civilizations were destroyed by gamma ray bursts (GRBs).

These explosions release an enormous amount of energy and have occurred in distant galaxies. It is about the cases when the core of a giant star runs out of fuel and it collapses under its own weight, thus releasing a massive "super nova" of radiation.

"It is about a beam with a high concentration," said astronomy professor Dr. Frederick Walter. "And, if it's headed for a galaxy, it could basically destroy life on about 10 percent of the planets in the galaxy."

"It's just one of many possible explanations," he noted. NASA calls gamma ray bursts "the most powerful class of bursts in the universe."

A typical explosion emits a bright beam of directed energy: a quintillion (a 1 followed by 19 zeros) times the luminosity of our sun, more than enough, in other words, to burn an extraterrestrial civilization out of position his in the galaxy.

Fortunately, based on decades of research by NASA's Orbital Compton Gamma-Ray Observatory, gamma-ray bursts are relatively rare in our Milky Way galaxy.

When the Compton Observatory satellite was launched in 1991, NASA researchers expected to see more 'GRBs' emanating from the center of our galaxy.

But it turned out that these explosive 'super nova' events were much more common in younger, distant galaxies still hot in the process of forming new stars.

"It is estimated that there is a gamma-ray burst every 100 million years or so in every galaxy," according to Dr. Walter, who has taught a course on the search for extraterrestrial life at Stony Brook University in New York.

"In over a billion years, on average, you can expect a significant number of civilizations to be eradicated," he said.

Other estimates have suggested that gamma-ray bursts could occur as often as once every 10 million years for each galaxy – but either would mean that many alien species could be wiped out before they have a chance to do much space exploration.

The Stony Brook astronomer noted that planet Earth is roughly 4.5 billion years old, and it took nearly that long to evolve the only technologically advanced species humanity currently has evidence of: humanity, itself.

This means, like a game of Russian roulette, the Milky Way is estimated to have experienced anywhere from 45 to 450 local GRB events in Earth's history.


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