Brief Answers to the Big Questions

by Stephen Hawking

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Brief Answers to the Big Questions

by Stephen Hawking


Summaries

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  • Colonizing New Planets to Survive

    Presently, Mars and the Moon are the only possible space colonies. Both present problems. The moon is small, has no atmosphere, and limited water. However, it could serve as a suitable base, and it would not take new science to figure out how to get there. Mars provides no protection from solar ra

  • Time Travel

    In 1905, Einstein suggested that time travel could be possible if a person managed to travel faster than the speed of light because of the inextricable relationship between space and time. Presently, there is not enough fuel in the world to power a device of that magnitude. Surely, there can be othe

  • Black Holes Explained

    It was initially thought that black holes, a consequence of one or multiple stars collapsing in under their gravitational force, had nothing inside of them and provided no record of what was swallowed. Much research in the field of black hole collapse revealed that even though it is impossible to se

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