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  2. Alpha Centauri - Wikipedia

    en.wikipedia.org/wiki/Alpha_Centauri

    Alpha Centauri C is about 13,000 AU (0.21 ly; 1.9 × 10 ^ 12 km) from Alpha Centauri AB, equivalent to about 5% of the distance between Alpha Centauri AB and the Sun. [17] [57] [69] Until 2017, measurements of its small speed and its trajectory were of too little accuracy and duration in years to determine whether it is bound to Alpha Centauri ...

  3. Interstellar travel - Wikipedia

    en.wikipedia.org/wiki/Interstellar_travel

    It would take such a ship about 43 years to reach Alpha Centauri if it passed through the system without stopping. Slowing down to stop at Alpha Centauri could increase the trip to 100 years, [89] whereas a journey without slowing down raises the issue of making sufficiently accurate and useful observations and measurements during a fly-by.

  4. Breakthrough Starshot - Wikipedia

    en.wikipedia.org/wiki/Breakthrough_Starshot

    [59] [60] A Genesis probe would travel at lower speeds, at a speed 4.6% of the speed of light, which would take at least 90 years to get to Alpha Centauri A. The sail could be configured so that the stellar pressure from Alpha Centauri A brakes and deflects the probe toward Alpha Centauri B, where it would arrive after a few days.

  5. 'Starshot' plan gets probes to Alpha Centauri in your lifetime

    www.aol.com/news/2016-04-12-breakthrough...

    The concept of exploring other star systems with probes (and not just telescopes) has proven elusive for one good reason: even the fastest spacecraft would take 30,000 years just to reach Alpha ...

  6. Space travel under constant acceleration - Wikipedia

    en.wikipedia.org/wiki/Space_travel_under...

    At a constant acceleration of 1 g, a rocket could travel the diameter of our galaxy in about 12 years ship time, and about 113,000 years planetary time. If the last half of the trip involves deceleration at 1 g , the trip would take about 24 years.

  7. Project Orion (nuclear propulsion) - Wikipedia

    en.wikipedia.org/wiki/Project_Orion_(nuclear...

    At 0.1c, Orion thermonuclear starships would require a flight time of at least 44 years to reach Alpha Centauri, not counting time needed to reach that speed (about 36 days at constant acceleration of 1g or 9.8 m/s 2). At 0.1c, an Orion starship would require 100 years to travel 10

  8. NASA is helping Stephen Hawking get a tiny ship to Alpha Centauri

    www.aol.com/news/2016-12-12-nasa-helping-stephen...

    NASA is helping Stephen Hawking and Russian venture capitalist Yuri Milner with the monumental task of getting a tiny probe to Alpha Centauri, the nearest star system to Earth. Project Starshot ...

  9. Interstellar probe - Wikipedia

    en.wikipedia.org/wiki/Interstellar_probe

    In 2016, the Breakthrough Initiatives announced a program to develop a fleet of lightweight light-sail probes for interstellar travel, aiming to make the journey to Alpha Centauri. This research program, with an initial funding of US$ 100 million imagines accelerating the probes to about 15% or 20% of the speed of light, resulting in a travel ...