Are we alone on Earth?
Back again, have you ever asked yourself whether we are alone? Is our planet Earth the only one, and the only one capable of hosting life?
Oh, yes, Markus getting deep again…
Nevertheless, for those of you who have always thought about being on the only Earth, in the centre of the universe (all Bible-believers please stop reading, or you will be endangered by some true science…), you are wrong.
We are not in the centre, neither are we alone. Other Earths exist.
What I am talking about are exoplanets, which resemble Earth and orbit another sun in just the right distance for water to be liquid, as well as being capable of hosting human life.
Even if we have not found advanced alien civilizations yet, planets capable of hosting them exist.
Other Earths – The Gliese 581 System
The universe is massive, so where should we start searching? Have we found anything?
Yes, indeed we have.
The closest exoplanet, resembling Earth is the planet called Gliese 581 g, a red dwarf with spectral type M3V in mid of the Gliese 581 planetary system.
The system is about 20 light years away, and we find it in the Libra constellation.
The Gliese 581 System
For sure, you want to leave and explore the Earth 2.0, even if it is far away and sounds more Sci-Fi instead of an achievable reality.
Nevertheless, researchers believe that colonizing this planet could be the next step towards human progress into the universe.
I am curious about the things to come!
Alien Earths & Gliese 581 – Video Impressions
For those of you who want to learn more, and are curious what else research has discovered so far, here are two fabulous videos.
Do you like the topics or do you want to read about other subjects? Let me know in the comments.
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