Where is life in the universe?

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Abstract

trillion miles away from Earth. The Milky Way galaxy is 52,850 Lights years across. In our observable universe, scientists estimate that there are about two trillion galaxies. What I am trying to say is the universe is big enough that it could be teeming with life and we may not know it. The Andromeda galaxy the closest big galaxy to the milky way and is 2.5 million light-years away, which means when we try to observe Andromeda, we are seeing things 2.5 million years ago. This may not be that big of a deal, but if we try to observe a galaxy six billion light-years away, we are seeing things 6 billion years in the past. Life on Earth started about 4.54 Billion years ago. If we think about it, there could be a galaxy out there that exploded with life on multiple planets, and those life forms developed some sort of galactic civilization together, sharing their technology, and having technology thousands, possibly millions of years more advanced than ours.This brings me to my second theory. What if the life out there was so advanced that we couldn’t communicate with them, or they didn’t want us to see them? Organized civilization started about 3200 BC. Before that, we didn’t have organized civilization and that was only 5200 years ago. Now we are starting to space travel, and we have already thought about sending humans to Mars in the next 10 years. Imagine what we could do given another 500,000 years our technology could be so incomprehensibly more advanced compared to today’s technology, we possibly wouldn’t even know they were there if we were looking right

Options

at them.Another possibility is that we are too early for extraterrestrial life. The universe is about 13.8 billion years old, yet scientists estimate it will be able to create new stars for the next 10000–300000 trillion years, but eventually the supply of gas needed for star formation will be exhausted. As existing stars run out fuel and cease to shine, the universe will slowly and inexorably grow darker. The universe has only been alive for a fraction of the time it will be alive. It is possible that life could be a lot more abundant than 1 trillion years in the future and we are just too early to meet any extraterrestrial life.Life somewhere beyond our planet could look different enough that we might not know it’s life. There could be life living in dark matter. Dark matter makes up approximately 85 percent of the matter in our universe, yet we can’t see dark matter, and we can’t even detect it in labs. We only know what life looks like from planet earth, but there is no reason that life cant be something different, I mean about 99 percent of the human body is made up of oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life. Somehow these 11 elements created a conscience being, but the truth is we have no idea what is possible, and what life could look like, we are just too young of a species, and the universe is so big that it could be almost impossible for us to find life.</article></body>

Life’s unanswerable mystery or further advancement in technology is all we need.

Despite humanity’s best efforts we have not found any life out in the universe, not even the remnants of life. There are many reasons as to why we have not found any life outside of our own planet, the simplest one being that space is so unimaginably huge that we have simply not seen them.

Attempts have been made to try to discover extraterrestrial life, but so far none have succeeded. Voyager 1 was one of the fastest man-made spacecrafts ever, and still is to this day, when it was launched on September 5, 1977. It had a straight trajectory towards Jupiter. Jupiter boosted it towards Saturn and with the help of the two planets it had a new pathway that was simply to go straight forever.

At this point, after the help of the two planets, Voyager 1 was moving at roughly 38,610 mph. Voyager 1 at its’ incredible speed still took 35 years to leave our solar system. Currently it is traveling about 9 billion miles away from our planet earth.

The next closest star system, Alpha Centauri, is 4.3 lights years away or about 25 trillion miles away from Earth. The Milky Way galaxy is 52,850 Lights years across. In our observable universe, scientists estimate that there are about two trillion galaxies. What I am trying to say is the universe is big enough that it could be teeming with life and we may not know it. The Andromeda galaxy the closest big galaxy to the milky way and is 2.5 million light-years away, which means when we try to observe Andromeda, we are seeing things 2.5 million years ago. This may not be that big of a deal, but if we try to observe a galaxy six billion light-years away, we are seeing things 6 billion years in the past. Life on Earth started about 4.54 Billion years ago. If we think about it, there could be a galaxy out there that exploded with life on multiple planets, and those life forms developed some sort of galactic civilization together, sharing their technology, and having technology thousands, possibly millions of years more advanced than ours.

This brings me to my second theory. What if the life out there was so advanced that we couldn’t communicate with them, or they didn’t want us to see them? Organized civilization started about 3200 BC. Before that, we didn’t have organized civilization and that was only 5200 years ago. Now we are starting to space travel, and we have already thought about sending humans to Mars in the next 10 years. Imagine what we could do given another 500,000 years our technology could be so incomprehensibly more advanced compared to today’s technology, we possibly wouldn’t even know they were there if we were looking right at them.

Another possibility is that we are too early for extraterrestrial life. The universe is about 13.8 billion years old, yet scientists estimate it will be able to create new stars for the next 10000–300000 trillion years, but eventually the supply of gas needed for star formation will be exhausted. As existing stars run out fuel and cease to shine, the universe will slowly and inexorably grow darker. The universe has only been alive for a fraction of the time it will be alive. It is possible that life could be a lot more abundant than 1 trillion years in the future and we are just too early to meet any extraterrestrial life.

Life somewhere beyond our planet could look different enough that we might not know it’s life. There could be life living in dark matter. Dark matter makes up approximately 85 percent of the matter in our universe, yet we can’t see dark matter, and we can’t even detect it in labs. We only know what life looks like from planet earth, but there is no reason that life cant be something different, I mean about 99 percent of the human body is made up of oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life. Somehow these 11 elements created a conscience being, but the truth is we have no idea what is possible, and what life could look like, we are just too young of a species, and the universe is so big that it could be almost impossible for us to find life.