[AZW] ↠ Unlimited ✓ Centauri Dreams: Imagining and Planning Interstellar Exploration : by Paul Gilster ✓ #2020


  • Title: Centauri Dreams: Imagining and Planning Interstellar Exploration
  • Author: Paul Gilster
  • ISBN: 9780387004365
  • Page: 195
  • Format: Hardcover

  • Centauri Dreams: Imagining and Planning Interstellar Exploration By Paul Gilster I wrote this book because I wanted to learn about interstel lar flight Not the Star Trek notion of tearing around the Galaxy in a huge spaceship that was obviously beyond existing tech nology but a realistic mission In 1989 I had videotaped Voyager 2 s encounter with Neptune and watched the drama of robotic exploration over and over again I started to wonderI wrote this book because I wanted to learn about interstel lar flight Not the Star Trek notion of tearing around the Galaxy in a huge spaceship that was obviously beyond existing tech nology but a realistic mission In 1989 I had videotaped Voyager 2 s encounter with Neptune and watched the drama of robotic exploration over and over again I started to wonder whether we could do something similar with Alpha Centauri, the nearest star to the Sun Everyone seemed to agree that manned flight to the stars was out of the question, if not permanently then for the indefinitely foreseeable future But surely we could do something with robotics And if we could figure out a theoretical way to do it, how far were we from the actual technology that would make it happen In other words, what was the state of our interstellar technology today, those concepts and systems that might translate into a Voyager to the stars Finding answers meant talking to people inside and outside of NASA I was surprised to learn that there is a large literature of interstellar flight Nobody knows for sure how to propel a space craft fast enough to make the interstellar crossing within a time scale that would fit the conventional idea of a mission, but there are candidate systems that are under active investigation Some of this effort begins with small systems that we ll use near the Earth and later hope to extend to deep space missions.
    Paul Gilster
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    Centauri Dreams: Imagining and Planning Interstellar Exploration By Paul Gilster

    Commentaires:

    Jacob
    Space is big No, really, space is effing big If you ever wondered just how effing big space is, let s shrink the distances a moment if the sun was the size of a grain of salt making the earth thousands of times tinier still the next three grains of salt, in the Alpha Centauri system, would still be seven miles away.Get it Got it Properly awed, mind boggled, all that stuff Good That should tell you what NASA has to deal with We ve only been zooming around the solar system for a few decades, reall [...]

    Prabhat Gusain
    Of antimatter drives, fusion runways, ramjets, solar sails, wormholes, dyson probes and other wild possibilities of interstellar travel to plan a journey to our nearest neighbor star Alpha Centauri is the next giant leap for humanity after Mars and we must plan well in advance The big question, however, is to build and operate an interstellar exploration with a travel time of less than the creator s lifetime What if the spaceship could build and evolve itself in space What if a fraction of light [...]

    Muhammad al-Khwarizmi
    I largely benefited from this but the author perhaps necessarily is just very fast and loose with details in many areas, making for slow and difficult reading I ultimately quit about 70% of the way through, here, emphasis on the straw that broke the camel s back mine Out at the end of the theoretical limb, wormholes could conceivably be constructed, in Robert Forward fashion, by creating vast engineering projects like a ring of ultradense matter the size of Earth s orbit around the sun Such a wo [...]

    Jim
    I found this book a bit depressing It spoke of various ways that NASA and other organizations are considering for sending a probe to nearby stars but mostly it talked about how incredibly difficult, time consuming and expensive such an undertaking would be I grew up with Sputnik and the Apollo program and thought back then that manned flights to Mars and robot probes to the stars were just around the corner While the trip to Mars is still a possibility, even the launch of a probe to the nearest [...]

    Filipe
    What a dream Fascinating look into the possibilities of science and space exploration of the future and what s being done now to move towards that future Sure, it s a long time away before we truly reach the stars, but to get somewhere, one must first begin the journey and this book explores some of the possible technologies and ways we might touch the farther reaches of our galaxy.

    Ilya
    Speculations on sending a probe to Alpha Centauri and having it radio a report back to Earth an homage to the late hard science fiction writer Robert Forward Note that we still cannot generate electricity using inertial confinement fusion on Earth after decades of research and billions of dollars in investment powering a starship with it is pure fantasy.

    Asrik
    Wow.I ve thought for years that I should have been born 100 years from now, when space is theoretically open to exploration When I read this book, I can see it I can dream about interstellar missions and think about the science and different propulsion technologies.So cool.

    Jeffrey McKinley
    read 12 26 2012 A fascinating look at the various methods of space travel being proposed for the future The book demonstrates just how difficult such a feat will be, yet introduces the men and women who pursue this dream with dogged determination.

    Tony Goins
    A great overview of the state of the science Written in 2004, so it s a little dated BUT NOT AS DATED AS IT SHOULD BE.

    Brian Rast
    An excellent book that recognizes the strength of imagination and the future success we ll have exploring the extra solar planets discovered by our Kepler space telescope.

    Martin Böhler

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      Paul Gilster