Are Humans Alone in the Universe?

The European Southern Observatory (ESO) announced the discovery of a star 127 light years from Earth confirming a Sun, similar to our own Sun, with five or even seven planets, located in the constellation Hydra. The light from designated HD10180 left that system 127 million years ago.

One of these planets is similar to Saturn and contains a planet 1.5x the size of our Earth. This find ensures the search for extra-solar life is reinvigorated.


Astronomer Dr Frank Drake directed a radio telescope at a specific region of the sky which included Tau Ceti in the constellation Cetus and Epsilon Eridani in the constellation Eridanus as part of Project Ozma in the 1970s which latterly developed into Project Phoenix – a systematic search involving radio telescopes in several countries using the latest technology.

SETI, the Search for Extra Terrestrial Intelligence, lasted from 1992 until funding ran out in 1993. Private funding continued the search. During 40 years of searching, based on the radio signal of hydrogen (1.42GHz) there has been silence.

Aliens signals

How many civilizations?

The Drake equation estimated the number of civilizations per galaxy is equal to the average lifetime of civilization in years.

Dr Drake used these terms to determine the number of technological civilizations in our galaxy, including: the average rate of star formation; the fraction of stable, long lived stars; the fraction of stable stars with planets; the likely Earth-like planets amongst these stable stars; the fraction of Earth-like planets on which life is possible; the fraction of ecosystems on which intelligent life will develop technology and finally an intelligent community with whom we could communicate.

The numbers could vary from one, mankind, to millions of such communities in our Milky Way galaxy alone.

The nearest galaxy

The Andromeda Galaxy (M31) is a similar galaxy to our own Milky Way galaxy and is composed of 300 billion stars at 4.2 light years away which means that light left Andromeda 4.2 million years ago when mankind did not exist.

This galaxy was the subject of close observation because our Sun and Alpha Centauri are similar in size and it was expected to have attendant orbiting planets which disappointingly they did not. This star is observed in the constellation Centaurus in the southern hemisphere.

Crossing our galaxy

The Earth is only 4.6 billion years old yet there are galaxies some 12 billion years old which are readily observable where civilization could have developed three times over and had sufficient time to colonise other worlds, even our own.

The unimaginable size of our own Milky Way galaxy limits contact with other galaxies solely to visual, infrared or radio telescope telemetry. If mankind could travel at the speed of light it would take 100,000 years to cross our galaxy which contains 200 billion stars.

The Earth is a typical planet orbiting a typical Sun in a typical galaxy. Copernicus proved the Earth is not the centre of the Universe. The high degree of improbability of the formation of life renders it almost miraculous.

Extra-solar planets

The Kepler satellite discovered at least 4100 extra-solar planets, since 2008, within two years of deployment, using a photometer to measure the wobble of a star as a planet orbits its extra-solar system of which 350 newly discovered planets will be subject to closer examination.

The discovery of exoplanets has intensified interest in the search for extraterrestrial life. There is special interest in planets that orbit in a star’s habitable zone, where it is possible for liquid water, a prerequisite for life on Earth, to exist on the surface.

The study of planetary habitability also considers a wide range of other factors in determining the suitability of a planet for hosting life.

Extraterrestrial life

The panspermia theory determines that life may have developed elsewhere in the galaxy and fallen to Earth from space or from Mars which was a viable ecosystem 3.5 billion years ago.

Life may yet be found under the surface of Mar’s polar ice caps. Extraterrestrial life may not have an independent origin. Mankind is composed of carbon, nitrogen, oxygen and hydrogen which are produced in supernovae explosions.

So, we are made of stardust. Mankind lives in a stable Hubble Space Telescope region of space. The laws of physics may vary beyond the Hubble Space region where the actions of black holes, supernovae and asteroid bombardments may not allow life to develop in distant chaotic regions of the Universe.

Are we alone?

We are not alone. Statistically, life could develop in many parts of the Universe. It is said that only intelligent beings could deny the existence of life elsewhere in our Universe over 3 billion years.

An alien artifact left on Earth or some link with a far distant galaxy could suddenly expose mankind to alien contact. This is only a matter of time.

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Jake Carter

Jake Carter is a journalist and a paranormal investigator who has been fascinated by the unexplained since he was a child.

He is not afraid to challenge the official narratives and expose the cover-ups and lies that keep us in the dark. He is always eager to share his findings and insights with the readers of, where he has been a regular contributor since 2013.

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