A Quote by Carl Sagan
No other planet in the solar system is a suitable home for human beings; it's this world or nothing. That's a very powerful perception.
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Mars, the second planet from the sun in our solar system is touted to be the next home for human race in the coming decades if the research and understanding of the planet is cracked by the bigwigs of the science world.
The purpose of going to Mars is for humans to first begin to occupy, permanently, another planet in the solar system. The astronauts or pilgrims, whatever you might call them, are going to be very historically unique human beings.
The earth's crust is very thin but the planet can act as a spaceship if a force or energy powerful enough was exerted on it, to eject it from the solar system. But its mantle and core may leak due to inertia, causing the planet to disintegrate.
We really have the most beautiful planet in our solar system. None other can sustain life like we know it. None other has blue water and white clouds covering colorful landmasses filled with thriving, beautiful, living things like human beings.
As a human being on Earth, you can't imagine friendship not being important in some other solar system or some other planet, or some other context of beings that are conscious. We even see it in animals. It is important for people on Earth to reach out or reach into someone.
The issue of climate change, it really does bring home the fact that we are on one planet, and that some of the impact of what human beings do in one corner of the world is going to affect people in a distant corner of the world. So we may still feel very far from each other, but we are really very close to each other because of the changes we have made with travel and technology and especially the information technology.
When people get taken over by the ego to such an extent, there is nothing else in their mind except the ego. They can no longer feel or sense their humanity - what they share with other human beings, or even with other life forms on the planet. They are so identified with concepts in their minds that other human beings become concepts as well.
My short stories are so character-based and they're also so private. They're like a private world in each story and I'm getting more and more interested in allowing myself to investigate the big picture about this country, and about human beings, and about the planet, and about the solar system, and about the nature of the material world in general. And I felt like I needed to move into a bigger form.
A person is a person through other persons. None of us comes into the world fully formed. We would not know how to think, or walk, or speak, or behave as human beings unless we learned it from other human beings. We need other human beings in order to be human. I am because other people are. A person is entitled to a stable community life, and the first of these communities is the family.
Forests ... are in fact the world's air-conditioning system-the very lungs of the planet-and help to store the largest body of freshwater on the planet ... essential to produce food for our planet's growing population. The rainforests of the world also provide the livelihoods of more than a billion of the poorest people on this Earth... In simple terms, the rainforests, which encircle the world, are our very life-support system-and we are on the verge of switching it off.
I feel that I'm in on the ground floor of something that human beings will be concentrating on for the next 1,000 years-if we don't destroy ourselves in the meantime. It's possible that 50 years from now we're going to end up out of this solar system, batting around the universe, at least within our galaxy, investigating other stars and other systems.
Despite the immense distance between our own solar system (including the earth) and the nearest other solar systems, a journey from one system to another is theoretically possible, once an unlimited source of power is developed.
When we get out to other planets in the solar system, we'll use the gravitational pull of each planet to help launch us to the next.
The universe, the solar system, and planet earth in themselves and in their evolutionary emergence constitute for the human community the primary revelation of that ultimate mystery whence all things emerge into being.
No one planet can tell us everything about the universe, but Neptune seems to hold more than its share of information about the formation of our own solar system - as well as the solar systems beyond.
Remember this: once the human race is established on more than one planet and especially, in more than one solar system, there is no way now imaginable to kill off the human race.
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