Best 73 quotes in «space travel quotes» category

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    The Mars settlement may not grow that quickly, although the length of a sea voyage cross the Atlantic in the 1600's is comparable to the time it will take people to get to Mars on a spacecraft, and the cost, in relative terms, is not that different.

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    The moon is considered a relatively easy object to land humans on, everything else is much harder by orders of magnitude. It is the reason why we have not been to Mars and will likely never go there successfully with humans.

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    There is nothing new under the sun, but there are new suns.

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    There are often evolutionary parallels on the different worlds because creation tends to be economical.

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    There needs to be an intersection of the set of people who wish to go, and the set of people who can afford to go...and that intersection of sets has to be enough to establish a self-sustaining civilisation. My rough guess is that for a half-million dollars, there are enough people that could afford to go and would want to go. But it’s not going to be a vacation jaunt. It’s going to be saving up all your money and selling all your stuff, like when people moved to the early American colonies...even at a million people you’re assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars. You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil.Excluding organic growth, if you could take 100 people at a time, you would need 10,000 trips to get to a million people. But you would also need a lot of cargo to support those people. In fact, your cargo to person ratio is going to be quite high. It would probably be 10 cargo trips for every human trip, so more like 100,000 trips. And we’re talking 100,000 trips of a giant spaceship...If we can establish a Mars colony, we can almost certainly colonise the whole Solar System, because we’ll have created a strong economic forcing function for the improvement of space travel. We’ll go to the moons of Jupiter, at least some of the outer ones for sure, and probably Titan on Saturn, and the asteroids. Once we have that forcing function, and an Earth-to-Mars economy, we’ll cover the whole Solar System. But the key is that we have to make the Mars thing work. If we’re going to have any chance of sending stuff to other star systems, we need to be laser-focused on becoming a multi-planet civilisation. That’s the next step.

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    These beings, with soaring imagination, eventually flung themselves and their machines into interplanetary space.

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    These stories are true. They just haven't happened yet.

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    To the rocket scientist, you are a problem. You are the most irritating piece of machinery he or she will ever have to deal with. You and your fluctuating metabolism, your puny memory, your frame that comes in a million different configurations. You are unpredictable. You're inconstant. You take weeks to fix. The engineer must worry about the water and oxygen and food you'll need in space, about how much extra fuel it will take to launch your shrimp cocktail and irradiated beef tacos. A solar cell or a thruster nozzle is stable and undemanding. It does not excrete or panic or fall in love with the mission commander. It has no ego. Its structural elements don't start to break down without gravity, and it works just fine without sleep. To me, you are the best thing to happen to rocket science. The human being is the machine that makes the whole endeavor so endlessly intriguing.

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    THERE IT IS,’ my mother says, and what she means is that the dot we’ve been nearing for weeks, the one that’s been growing into a larger dot with two smaller dots circling it, has now become even larger than that, growing from a dot to a disc, shining back the light from its sun, until you can see the blue of its oceans, the green of its forests, the white of its polar caps, a circle of colour against the black beyond.

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    The science done by the young Einstein will continue as long as our civilization, but for civilization to survive, we'll need the wisdom of the old Einstein -- humane, global and farseeing. And whatever happens in this uniquely crucial century will resonate into the remote future and perhaps far beyond the Earth, far beyond the Earth

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    We are in the process of finding out what filling the sky with hundreds of thousands of satellites does to all life on Earth.

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    We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard. [Address at Rice University, September 12 1962]

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    Whatever the reason we first mustered the _Apollo_ program, however mired it was in Cold War nationalism and the instruments of death, the inescapable recognition of the unity and fragility of the Earth is its clear and luminous dividend, the unexpected final gift of _Apollo_. What began in deadly competition has helped us to see that global cooperation is the essential precondition for our survival. Travel is broadening. It's time to hit the road again.

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    When it comes to travelling to Mars, we either pursue physical paths and redesign our spacecraft with improved radiation-shielding and staggering fuel-efficiency. Or we cheat a little and bend the space/time continuum to get there.

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    Why travel to the Moon or Mars if we only continue our wars there with Russia or China or Africa? Why build rockets at all? For fun? For adventure? Or is this the same process that sends the salmons back upstream year after year to spawn and die - a subliminal urge in mankind to spread, in self-preservation, to the stars? Are we then secretly fearful that one day the sun might freeze and the the earth grow cold or the sun explode in a terrific thermal cataclysm and burn down our house of cards?

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    You ask me to make peace with the monsters who did this?” She didn’t even look around at ‘this.’ “Yes. The alternative is extinction. There’s no coming back from that—no new weapon to fire when no one is left and you’ve no universe left to fire it in.

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    You can't show me the Earth from space and fly right past the moon, entice me into this magical machine and invite me to come with you, and then ask me to stay behind!

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    You think this is a walk in the park, that it’s all beauty pageants and tea parties? Come on girl, wake up! This is survival at its most intense.

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    60,000 kilometres per second may be the practical (!) speed limit for space travel

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    As when astronaut Mike Mulhane was asked by a NASA psychiatrist what epitaph he'd like to have on his gravestone, Mulhane answered, "A loving husband and devoted father," though in reality, he jokes in "Riding Rockets," "I would have sold my wife and children into slavery for a ride into space.

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    Beyond the corridor of our space-time there are infinite numbers of universes, each of them is governed by its own set of laws and physics.

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    Children are turning themselves into monsters and, quite frankly, it is your fault. You initiated the creation of this technology, then you allowed it to slip through your fingers.” Miriam’s jaw tightened. “I disagree, but now is the least optimal time imaginable for assigning blame. People are dying, and I will not stand around debating semantics with you while they are.

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    Advanced weaponry, victories in battle and space travel do not an advanced species or civilization make.

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    Ah, youth! It was a beautiful night... The moon was out of orbit. The stars were awry. But everything else was exactly as it should have been.

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    Alex screamed and lashed out at the points of light from within, desperate for something tangible to rage against. Caleb wrapped his arms around her from behind and coaxed her out while glaring at the Metigen in loathing. Then he lessened his hold on her to a single hand. Together they turned their backs on the alien and began walking away.

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    Crushed sandstone sifted through Caleb’s fingers, insubstantial as dust. A breeze caught the debris mid-fall and spirited it away before it could join the ashes blanketing the ground. He stopped in the middle of what had once been a street, his arms pulled in at his sides, his fists balled in barely restrained fury.

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    From space the little world looked like nothing much - perhaps a pitted and decaying pumpkin, dull orange-black in color, with a handful of tiny orbiting craft floating around it like fruit flies. Here and there amber lights shone out of craters in the surface. What seemed to be scores of deformed silver minnows nibbling the pumpkin rind - together with numbers of smaller noshmates - were actually huge transactinide carriers and lesser starships, either taking on fuel or docked nose-to-ground while their crews rested and recreated inside the not so heavenly body. I have been told that the original Phlegethon of Greek mythology was a fiery river in Hades. Sheltok Concern owned a dozen or so similar way stations with brimstony names - Gehenna, Styx, Sheol, Tophet, Avernus, Niflheim, and the like - that served vessels bound to or fro the terrible R-class worlds where ultraheavy elements are mined.

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    Don't just discover . . . Encounter!

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    Glacier blue plasma rippled and sparked across the interior of the portal. “It seems keeping secrets is what you do.” “Secrets are merely the necessary means. Survival is the end goal. Survival of ourselves, survival of species who do not deserve to be eradicated from the universe. Survival of the universe itself.” “Survival’s noble and all, but what good is it without the freedom to live as you choose?” “A question you have the luxury to ask because you survive.

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    Gravity is why there are suns and planets in the first place. It is practically God.

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    Here is one way to conceptualize NASA's heroic era: in 1961, Kennedy gave his "moon speech" to Congress, charging them to put an American on the moon "before the decade is out." In the eight years that unspooled between Kennedy's speech and Neil Armstrong's first historic bootprint, NASA, a newborn government agency, established sites and campuses in Texas, Florida, Alabama, California, Ohio, Maryland, Mississippi, Virginia, and the District of Columbia; awarded multi-million-dollar contracts and hired four hundred thousand workers; built a fully functioning moon port in a formerly uninhabited swamp; designed and constructed a moonfaring rocket, spacecraft, lunar lander, and space suits; sent astronauts repeatedly into orbit, where they ventured out of their spacecraft on umbilical tethers and practiced rendezvous techniques; sent astronauts to orbit the moon, where they mapped out the best landing sites; all culminating in the final, triumphant moment when they sent Neil Armstrong and Buzz Aldrin to step out of their lunar module and bounce about on the moon, perfectly safe within their space suits. All of this, start to finish, was accomplished in those eight years.

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    Her teeth clattered together like banging cymbals. Her fingernails glowed white, and her heart stuttered over two beats. “Input. It. Now.” “Done!” Let go, Nika. All you have to do is let go. She focused on her fingers, which seemed to be glued to the conduit, and directed every conscious process to willing them apart millimeter by— —she flew backward across the room and slammed into what remained of a wall.

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    Humanity is like someone whose outstretched arms are reaching for the stars but whose feet are mired in the mud.

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    I don't mean to deny a feeling of solitude. It is there, reinforced by the fact that radio contact with the Earth abruptly cuts off at the instant I disappear behind the moon, I am alone now, truly alone, and absolutely isolated from any known life. I am it. If a count were taken, the score would be three billion plus two over on the other side of the moon, and one plus God knows what on this side.

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    I find it curious that I never heard any astronaut say that he wanted to go to the Moon so he would be able to look back and see the Earth. We all wanted to see what the Moon looked like close up. Yet, for most of us, the most memorable sight was not of the Moon but of our beautiful blue and white home, moving majestically around the sun, all alone and infinite black space.

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    If someone told you your life was going to end then offered you an olive branch to life, would you take it?

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    If we get it wrong, if we repeat the mistakes of our past, the consequences could be devastating. But if we get it right, the potential benefits to the future of humanity are astonishing.

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    If you travel in space for three years and come back, four hundred years will have passed on Earth. I am only an armchair astronomer, but I have the odd sense that I have returned from a journey to a world where nothing quite makes sense.

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    I had aimed at Mars and was about to hit Venus; unquestionably the all-time cosmic record for poor shots.

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    In order to be a better writer, one must always write.

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    In space there are no seasons, and this is as true of the ships that cross the distances between humanity's far-flung homes. But we measure our seasons anyway: by a smile, a silence, a song.

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    Evening had turned the sky a deep persimmon. The remaining sunlight enriched the colors of the ubiquitous flowers and foliage to even greater vibrancy, as if the saturation filter had been notched up several levels. Caleb noted all this in passing as he strode deliberately forward. He didn’t know how he was going to do this, only that he had to make the attempt.

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    Ideally, the ISS program will just be one more incremental step on an expanding, incredible journal of exploration and understanding, taking us higher and farther.

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    If the space travel is at the top of a country’s agenda, that country is surely a very developed one!

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    In retrospect, it was silly to think that the experience of traveling in space could be approximated by a repurposed walk-in freezer. To find out what would happen to a man alone in the cosmos, at some point you just had to lob one up there.

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    Interstellar travel is like a flight to Australia on acid.

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    Isn’t antimatter what fuels the U.S.S. Enterprise?

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    It’s pretty hard to get to another star system. Alpha Centauri is four light years away, so if you go at 10 per cent of the speed of light, it’s going to take you 40 years, and that’s assuming you can instantly reach that speed, which isn’t going to be the case. You have to accelerate. You have to build up to 20 or 30 per cent and then slow down, assuming you want to stay at Alpha Centauri and not go zipping past. It’s just hard. With current life spans, you need generational ships. You need antimatter drives, because that’s the most mass-efficient. It’s doable, but it’s super slow.

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    I will tell you sincerely and without exaggeration that the best part of lunch today at the NASA Ames cafeteria is the urine. It is clear and sweet, though not in the way mountain streams are said to be clear and sweet. More in the way of Karo syrup. The urine has been desalinated by osmotic pressure. Basically it swapped molecules with a concentrated sugar solution. Urine is a salty substance (though less so than the NASA Ames chili), and if you were to drink it in an effort to rehydrate yourself, it would have the opposite effect. But once the salt is taken care of and the distasteful organic molecules have been trapped in an activated charcoal filter, urine is a restorative and surprisingly drinkable lunchtime beverage. I was about to use the word unobjectionable, but that's not accurate. People object. They object a lot.

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    Just because your electronics are better than ours, you aren't necessarily superior in any way. Look, imagine that you humans are a man in LA with a brand-new Trujillo and we are a nuhp in New York with a beat-up old Ford. The two fellows start driving toward St. Louis. Now, the guy in the Trujillo is doing 120 on the interstates, and the guy in the Ford is putting along at 55; but the human in the Trujillo stops in Vegas and puts all of his gas money down the hole of a blackjack table, and the determined little nuhp cruises along for days until at last he reaches his goal. It's all a matter of superior intellect and the will to succeed. Your people talk a lot about going to the stars, but you just keep putting your money into other projects, like war and popular music and international athletic events and resurrecting the fashions of previous decades. If you wanted to go into space, you would have.