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Aldrin held that reusable spacecraft were the key in making space travel affordable, stating that the use of "passenger space travel is a huge potential market big enough to justify the creation of reusable launch vehicles". [76] Space tourism is a next step in the use of reusable vehicles in the commercialization of space.
Space travel can refer to: Spaceflight, flying into or through outer space; Spacefaring, to be capable of and active in space travel; Human spaceflight, space travel with a crew or passengers; Interplanetary spaceflight, travel between planets; Interstellar travel, travel between stars or planetary systems
Space tourism is human space travel for recreational purposes. [1] There are several different types of space tourism, including orbital, suborbital and lunar space tourism. . Tourists are motivated by the possibility of viewing Earth from space, feeling weightlessness, experiencing extremely high speed and something unusual, and contributing to scie
Space travel also happens to be a great business opportunity. Helping power Europa Clipper into space was a SpaceX Falcon Heavy rocket. Elon Musk's company has won plenty of government contracts, ...
The U.S. was forced to rely on Russia for continued space travel. "It was tough times. I think it was the right decision. The shuttle's time had come to an end. We needed to make a strategic ...
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 impossible within the human lifetime.
The earliest references to hyperspace in fiction appeared in publications such as Amazing Stories Quarterly (shown here is the Spring 1931 issue featuring John Campbell's Islands of Space). Emerging in the early 20th century, within several decades hyperspace became a common element of interstellar space travel stories in science fiction.
Stephen Hawking is a supporter of space travel, in part, because he thinks the survival of humanity depends on it. Hawking shared these thoughts in an afterword for Julian Guthrie's book "How to ...