A Quote by Liu Cixin
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.
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You are sitting on this little planet, spaceship earth. The universe is very accessible to you. You don't need a spaceship to travel there. Most of the worlds are non-physical. And it's all God; it's all eternity
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.
No one, it has been said, will ever look at the Moon in the same way again. More significantly can one say that no one will ever look at the earth in the same way. Man had to free himself from earth to perceive both its diminutive place in a solar system and its inestimable value as a life -fostering planet. As earthmen, we may have taken another step into adulthood. We can see our planet earth with detachment, with tenderness, with some shame and pity, but at last also with love.
I think that the equator could act as a great equalizer for all life on Earth, celebrated as the great energy belt of the planet. If all our energy grids were synchronized, the light side of the planet could provide energy for the dark side, according to the movement of the sun.
What the fossil record does do is to force us to contemplate our place on the planet. We are but one species of several hominids that inhabited Planet Earth, and like our distant cousins who went extinct fairly recently, our time on Planet Earth is also finite.
It changes your perspective to be able to look out the window and see the planet. One of the thoughts that I had when I first got up here was, 'We really do live on a planet, and we are in a solar system, and we are flying through space right now.' I mean, this is something that you know, obviously, but to see the planet - it's amazing.
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.
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.
We have one planet in our solar system that's habitable, and that's the Earth, and space travel can transform things back here for the better. First of all, by just having people go to space and look back on this fragile planet we live on. People have come back transformed and have done fantastic things.
The planet Earth, though not threatened with destruction by man-made global warming, is by no means indestructible. There are many unpredictable events within our solar system, and still more outside it, that could make Earth uninhabitable by humans.
Our biggest challenges for the ocean and for the planet are problems of perception. People need to understand that species extinctions, habitat destruction, ocean acidification, and pollution are all chipping away at the resilience of the thin layer of life that sustains us on Spaceship Earth.
Just think: in all the clean, beautiful reaches of the solar system, our planet alone is a blot; our planet alone has death.
The secret of our success on planet Earth is space. Lots of it. Our solar system is a tiny island of activity in an ocean of emptiness.
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.
My best friend Rosemarie and I had a very involved secret life when we were in elementary school. After we saw 'The Day the Earth Stood Still' on TV, we invented a whole secret life in which we were twins from the planet Venus, and we were in charge of the entire solar system as well as Earth.
From time immemorial History has decreed that territory on this Planet Earth belongs to those powerful enough to take it and determined enough to keep it.
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