Archive for the ‘alien life’ category

Oct 1, 2022

Deficiency of Alternative Models to the Big Bang

Posted by in category: alien life

Hossenfelder lists several theories that fall under her critique including Penrose’s cyclic cosmology, the ekpyrotic universe that postulates colliding membranes, and the no-boundary proposal by Jim Hartle and Stephen Hawking. Stephen Meyer also critiqued these theories in his book Return of the God Hypothesis. But Meyer came to starkly different conclusions.

Hossenfelder concludes that “we are facing the limits of science itself.” And the question of the universe’s origin “we’ll never be able to answer.” In contrast, Meyer argues that the evidence for a beginning and the required fine tuning of the universe to support life point to a mind behind our world. The fact that all alternative cosmological theories require highly specific initial conditions to explain our present life-friendly universe only reinforces the fine-tuning argument and by extension the God Hypothesis.

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Sep 30, 2022

Scientists May Have Just Discovered a Lake on Mars

Posted by in category: alien life

Since the 1990s, scientists have cataloged thousands of planets outside our solar system, called exoplanets. Some of these are massive and gaseous, while others are tiny and rocky like our home world. But a recent analysis suggests that some of these exoplanets might be more dense and have more water than previously thought, which has big implications for alien life.


Sep 24, 2022

A new era of space travel | DW Documentary

Posted by in categories: alien life, Elon Musk

A great overview of the current state of the space industry and where it is headed in the near future.

A revolution in the history of space travel took off on 20 July 2021. Amazon founder Jeff Bezos flew in his rocket 106 kilometers into outer space. It may have only lasted around 10 minutes, but the trip was the precursor to commercial passenger flights into space.

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Sep 24, 2022

3001 The Final Odyssey- Prologue

Posted by in categories: alien life, evolution

Call them the Firstborn. Though they were not remotely human, they were flesh and blood, and when they looked out across the deeps of space, they felt awe, and wonder— and loneliness. As soon as they possessed the power, they began to seek for fellowship among the stars.

In their explorations, they encountered life in many forms, and watched the workings of evolution on a thousand worlds. They saw how often the first faint sparks of intelligence flickered and died in the cosmic night.

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Sep 17, 2022

The Search for Life Off Earth Points to Mars

Posted by in categories: alien life, chemistry

The word “intriguing” is being used to describe Perseverance results coming from sedimentary rocks on Mars that are of the same type known for preserving fossils and evidence of life here on Earth.

When NASA landed the Perseverance rover on Mars complete with an instrument package capable of identifying organic molecules, the Agency chose the Jezero Crater, the site of an ancient water-formed delta dating back 3.5 billion Earth years. The goal was to look for signs of ancient Martians, not the Martians of H.G. Wells’ “War of the Worlds,” but rather microorganisms like the ones that killed off the Martians after they arrived.

Onboard Perseverance is an instrumentation package that goes by the acronym SHERLOC which stands for Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals. Using SHERLOC, Perseverance has been sampling sedimentary rocks laid down by the water that flowed on the Martian surface earlier in its history.

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Sep 17, 2022

Our Universe Resides In the Center of a Black Hole, New Theory reveals

Posted by in categories: alien life, quantum physics

What’s our position in the universe? Some astronomers believe that the relative emptiness in our location in space may be why we haven’t found other intelligent life yet. It may even go beyond that. One theory states that our universe is actually trapped inside a giant black hole, which itself is part of a much larger cosmos.

It all centers on a very different theory of what exactly a black hole is. The usual general understanding is nothing can escape a black hole’s intense gravity, not even light. Called the black hole information paradox, it’s thought that even the information about an object that gets sucked in vanishes into oblivion. But therein lies a problem.

This understanding violates a certain rule in quantum mechanics known as “unitarity,” which states that information can never be completely lost. Some trace of it will always remain. So how can scientists get over the hump?

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Sep 16, 2022

Strange Hexagonal Diamonds Found on Earth Came From Another World

Posted by in categories: alien life, particle physics

Four meteorites in northwest Africa were found to contain mysterious hexagonal diamonds that don’t naturally occur on Earth. Essentially, scientists exploring the contents of the space rocks discovered extraterrestrial materials, if you will, alien diamonds. According to Alan Salek, a member of the team that discovered the materials, “some people in the field doubted the existence of this material.” As with regular diamonds, hexagonal diamonds are made of carbon, but their atoms are arranged hexagonally rather than cubically.

The first hexagonal diamonds were recorded in meteorites in the United States and India in the 1960s and were dubbed lonsdaleite. The previously discovered crystals, however, were so small – only nanometres wide – that their hexagonality could not be confirmed. A powerful electron microscope was used by Salek and his colleagues to examine 18 meteorite samples in search of larger crystals. One of them was from Australia, and the other three were from northwestern Africa. It was found that four of the African meteorites contained hexagonal diamonds, some measuring up to a micrometer – about 1,000 times larger than anything previously discovered.

In this way, the team was able to confirm the hexagonal structure’s unusual characteristics. Salek says that now that they have larger crystals, they can get a better understanding of how they form and maybe replicate that process. Scientists are interested in Lonsdaleite since it might have even more industrial potential as a result of its theoretical hardness being stronger than a regular diamond. High-end saw blades, for instance, already contain regular diamonds.

Sep 14, 2022

Does Cosmic Fine-Tuning Demand Explanation? | Episode 1208 | Closer To Truth

Posted by in categories: alien life, physics

The universe works for us because of deep physical laws. But if the values of these laws change much, then all we see and know could not exist. If small changes to the laws of physics would make life impossible, does fine-tuning require an explanation? Featuring interviews with Bernard Carr, David Deutsch, Richard Swinburne, Rodney Holder, and Christopher Isham.

Season 12, Episode 8 — #CloserToTruth.

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Sep 13, 2022

Potentially habitable “super-Earth” discovered 100 light-years away

Posted by in categories: alien life, physics

An international team of scientists announced on Wednesday that they have discovered two new “super-Earth” planets just 100 light-years away. Both of them are significantly larger than our own planet — and one of them may even be suitable for life.

Super-Earths are a unique class of exoplanet in the solar system that are more massive than our planet but lighter than the ice giants, according to NASA. They are made by some combination of gas and rock and can get up to 10 times the size of Earth’s mass.

The findings, discovered with NASA’s Transiting Exoplanet Survey Satellite and the University of Liège’s Search for Habitable Planets Eclipsing Ultra-Cool Stars (SPECULOOS), will be published in the journal Astronomy and Astrophysics.

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Sep 13, 2022

Fermi Paradox: The Singularity and Dormant Civilizations

Posted by in categories: alien life, existential risks, singularity

An exploration of the technological singularity and whether it will happen and what implications it has on astrobiology and solving the Fermi Paradox.

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