Intergalactic travel - Wikipedia
Intergalactic travel is the hypothetical travel between galaxies. Because the Milky Way and its closest neighbors are separated by millions of light-years, any such venture would also require millions of years based on current physics. Thus, intergalactic travel is …
Interstellar travel - Wikipedia
Interstellar travel is the hypothetical travel of spacecraft between star systems. Due to the vast distances between the Solar System and nearby stars, interstellar travel is not practicable with current propulsion technologies.
Is Interstellar Travel Really Possible? | Space
2019年9月10日 · Interstellar space travel is a real pain in the neck. Could Wormholes Really Work? Probably Not. Lost in space? Here's a new method to find your way back home. If you're sufficiently...
Interstellar Travel Could Be Possible Even Without Spaceships ...
2022年6月1日 · The author of a new research article in the International Journal of Astrobiology says that ETCs may not need starships to escape existential threats and travel to another star system. They could instead use free-floating planets, also known as rogue planets.
10 Things: Going Interstellar - NASA Science
2022年7月26日 · Both Voyager spacecraft had to travel more than 11 billion miles (17 billion kilometers) from the Sun in order to cross the edge of the heliosphere. This bubble is moving through interstellar space as the Sun orbits the center of the Milky Way galaxy.
The Voyage to Interstellar Space - NASA
2019年3月27日 · Now that the Voyagers are outside of the heliosphere, their new perspective will provide new information about the formation and state of our Sun and how it interacts with interstellar space, along with insight into how other stars interact with the interstellar medium.
Interstellar: Crossing the Cosmic Void - NASA Science
2016年12月19日 · Movies like "Interstellar" and "Passengers" imagine a time when human beings can travel deep into space, but how close are we? Meet the NASA engineers working to make it possible.
What is interstellar space and where does it begin? | Space
2023年1月17日 · Interstellar travel. Despite the vast distances between the stars, future interstellar spacecraft could possibly use the ISM to fuel their colossal voyages.
The myths and reality about interstellar travel - BBC
2016年10月4日 · Interstellar spacecraft will be one of the topics discussed at BBC Future’s World-Changing Ideas Summit in Sydney in November. Is travelling to other galaxies possible? And if so, what kinds of...
Interstellar Mission - NASA Science
The Voyager Interstellar Mission (VIM) is extending Voyager's exploration beyond our solar system's outer planets to interstellar space — the region outside the heliosphere, a protective bubble created by the Sun's magnetic field and outward flow of the solar wind.
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