Why It Will Be at Least 200 Years Before Interstellar Travel will Be Possible

astrochemistry

We won’t have enough power until 2211 for interstellar travel.

Interstellar travel won’t be possible for at least 200 years, according to a former NASA propulsion scientist who has some new calculations. And by then, the spaceships we would design for the trip will be obsolete.

 

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Does A Twin Earth Exist?

Does A Twin Earth Exist?

Artist’s conception shows a hypothetical twin Earth orbiting a Sun-like star.

Does a twin Earth exist somewhere in our galaxy? Astronomers are getting closer and closer to finding an Earth-sized planet in an Earth-like orbit. NASA’s Kepler spacecraft just launched to find such worlds. Once the search succeeds, the next questions driving research will be: Is that planet habitable? Does it have an Earth-like atmosphere? Answering those questions will not be easy.

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