Recent content by TheCoolBrit

This is not just true for interstellar travel to other stars but is the same for every other space trip weather it be to the ISS or another planet or Moon. Everything is in space is moving in orbits.

predicted that Proxima Centauri will make its closest approach to the Sun in approximately 26,700 years, coming within 3.11 ly (0.95 pc).

Using current theories , If we assume the speed of light (c) is a constant in space then the physical barrier would be as we move close to the the speed of light the mass of a spacecraft increases towards infinity, therefore the energy required to go faster is a major limiting factor. Also the...