Over 100 Billion Habitable Earth-Like Planets EXIST in our Galaxy!

There is estimated to be more than 100 BILLION Earth-like and habitable worlds in the Milky Way Galaxy that could be home to life.

There is estimated to be more than 100 BILLION Earth-like and habitable worlds in the Milky Way Galaxy that could be home to life.  WIth the formula that astronomers use to estimate the number of habitable worlds we can assume that with roughly 500 billion galaxies in the known universe, there would be roughly 50,000,000,000,000,000,000,000 (5×1022) habitable planets out there in the known universe.

Most of us, myself including, have looked up into the night sky and wondered if we are alone in the universe.  Is there really life beyond the stars? Are there civilizations more advanced than us that are observing us from a distance waiting till our species “matures” to a point where they can make contact with us?  It could be possible. Only a short time ago the human species thought our planet to be flat. What’s to say that travel amongst the stars is more feasible than what is currently accepted amongst today’s “top minds”.

The Milky Way alone could be home to more than 100 Billion Planets!  We can’t be sure of the specific number since astronomers can’t see our entire galaxy from the outside.  Currently, as of this writing, Voyager 1 is 13,480,504, 357 Miles from Earth and is the farthest satellite from Earth.  It was launched from Earth on Sept. 5, 1977 and in that 40+ years of space flight it has left our solar system but it will take billions of years for it to leave the Milky Way.  That’s how vast our Milky Way Galaxy is.

Since astronomers aren’t able to see our galaxy from the outside, they can’t really be sure of the exact number of planets the Milky Way is home to.  They can only provide estimates. To come up with the estimates, experts calculate our galaxy’s mass and calculate how much of that mass is composed of stars.  Based on those calculations scientists believe our galaxy is home to at least 400 BILLION stars (give or take a few million or billion).

There are some calculations which suggest that the Milky Way Galaxy contains between 800 billion to 3.2 trillion planets.  NASA believes there are AT LEAST 1,500 planets located within 50 light years from Earth. We would have to travel for 500 years using Nuclear Powered Spaceships from Project Orion, which only reach up to 10% the speed of light, to reach the nearest habitable planet.

Between 2009 and 2018, the Kepler telescope discovered up to 4,500 potential planets within the Milky Way Galaxy!  We don’t know yet if they are habitable or not, but they are within the “goldilock zone” for possibly having life.

NASA discovered a solar system they call “Trappist-1” which is home to SEVEN Earth-like planets that is believed to be home to possible alien life.

The most difficult obstacle to overcome when searching for life on other planets is definitive visual observation of life.  Since light travels at a constant 186,282 miles per second, we will always be observing the past due to the vast distance between planets.  So if there were aliens watching us from their planet, they would see not humans on the earth but rather dinosaurs. With this said, if we were able to see what was happening on other worlds, we probably wouldn’t see them as they are now, but rather as their planet was millions of years previous.

Did you ever think we would of discovered so many Earth-like planets in our lifetime? Let me know in the comments below.

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