But there's no physical reason to believe that such a spacecraft couldn't conduct a flyby mission of Alpha Centauri, Lubin ...

Achieving practical interstellar travel requires overcoming the immense challenge of reaching extraordinary velocities. To send a spacecraft, weighing roughly 1,000 kilograms, to a neighboring star ...

It would then take them just 20 years to travel to the Alpha Centauri star system four light years away, but they would have extremely little time to explore the system –. It is not possible for ...

But some projects are designing ways to propel payloads to the nearest star system (Alpha Centauri) using beams ... payload (around a few grams) for 0.1 astronomical units (AU) of its 277,000 ...