Startup outlines low-cost plan for a multigenerational trip to Alpha Centauri

A private group has described plans for an ultra-long mission to Alpha Centauri, the star system nearest to Earth, according to reporting published Tuesday by Ars Technica and CNET. The project is being pitched as a low-cost attempt to reach interstellar space with existing or near-term technology.

The company says the journey could take about 80,000 years, reflecting the extreme distance involved and the limits of current propulsion methods. Its approach is to keep the spacecraft as simple and inexpensive as possible rather than pursue a larger, more ambitious design.

Ars Technica reported that the effort is framed around a broader concern about whether advanced civilizations can survive long enough to spread beyond their home worlds. CNET said the startup is treating the concept as a serious engineering challenge rather than a speculative thought experiment.

Alpha Centauri lies more than four light-years away, making it a long-standing target for interstellar mission concepts. The latest proposal adds to a growing list of private-sector ideas for deep-space exploration beyond the solar system.