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Vídeos
Videos de Metodo desviar asteroides
 | Carl Sagan's: Cosmos Part 4 - Heaven and Hell
Sagan discusses comets and asteroids as planetary impactors, giving recent examples of the Tunguska event and a lunar impact described by Canterbury monks in 1178. It moves to a description of the environment of Venus, from the previous fantastic theories of people such as Immanuel Velikovsky to the |  | Asteróides, um perigo vindo do espaço
Asteróides podem se chocar com o planeta terra em um futuro bem próximo. Reportagem: Fantástico Data: 03/08/2008 Fonte: Rede Globo. |  | Carl Sagan's: Cosmos Part 8 - Travels in space and time
Ideas about time and space are explored in the changes that constellations undergo over time, the redshift and blue shift measured in interstellar objects, time dilation in Albert Einstein's theory of relativity, the designs of both Leonardo da Vinci and spacecraft that could travel near light speed |
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