Speed In Space

Thinking about travel time in space I cannot hide the image of swirling flying saucers at breakneck speeds trekking the skies. From saucers they become vanishing points in no time.
50000 kmph is the rate at which our present day rockets reach thrust. However there have been technologies which are being studied over several years that are of note and kindle hope of travelling to cover some distance in space beyond our solar system and into the world of colourful and explosive galaxies.
One of the technologies being studied is a plasma rocket. The technology uses radio waves to heat gases such as hydrogen and argon to create hot plasma. Magnetic field force the charged plasma out of the back of the engine producing thrust in opposite direction. Another technology that can be used to travel within the solar system is the electric solar sail. This uses long charged tethers to convert natural solar wind momentum flux into spacecraft thrust. This will require water mined from the asteroids