How fast is space travel right now?

With engines powered by antimatter, spaceships could accelerate over periods of months or years to reach very high percentages of the speed of light, keeping Gs at a tolerable level for occupants. Other billionaires, such as Jeff Bezos and Richard Branson, are also trying to build better, cheaper and faster rockets. At several hundred million kilometers per hour, every speck in space, from lost hydrogen gas atoms to micrometeoroids, in effect becomes a high-powered bullet that hits the hull of a ship. Therefore, to achieve significantly faster travel speeds for humans heading to Mars and beyond, scientists recognize that new approaches will be needed.

Undoubtedly, micrometeoroids are not the only obstacle to future space missions, in which higher human travel speeds would probably come into play. Marc Millis, a propulsion physicist and former director of NASA's Innovative Propulsion Physics Program, warns that this possible speed limit for human travel remains a distant concern. The best argument for powering fast spaceships is antimatter, twice that of normal matter. Speculative dangers could also arise if humans manage to travel faster than light, either by taking advantage of gaps in known physics or through paradigm-breaking discoveries.

So, are you a fan of sci-fi movies or TV shows? Are you interested in complex physics and love the idea of traveling to distant planets and galaxies? Are you excited about the prospect of interstellar travel? Many of us dream of a future in which humans can travel anywhere in the universe. The correct answer depends on whether you're referring to manned or unmanned rockets and spaceships. Surprisingly, the record for the fastest manned missions still belongs to Apollo 10, which took place in May 1969.He and his father roughly estimated that, barring some kind of conjectural magnetic shielding to deflect the deadly hydrogen shower, starships could not go more than half the speed of light without killing their human occupants. These G-forces are mostly G benign from front to back, thanks to the intelligent practice of holding space passengers to seats facing their direction of travel.

The Orion spacecraft is designed to take astronauts to a low Earth orbit and is a good bet for the vehicle that will break the 46-year record of being the fastest we have traveled in history.

Jeannie Eschenbrenner
Jeannie Eschenbrenner

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