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Dr Michio Kaku

Michio Kaku on the Fermi paradox

Where are the Aliens?
The Fermi paradox, or Fermi's paradox, named after physicist Enrico Fermi, is the apparent contradiction between the lack of evidence and high probability estimates for the existence of extraterrestrial civilizations.

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Prof Lawrence Krauss

Prof Krauss on Aliens

Why aren't Aliens Already Here?
The universe is so vast, yet we don’t see any alien civilizations. If they exist, where are they? It seems tremendously wasteful to have stars shining. When you think about the sheer amount of energy they’re releasing, that seems like it’s a total waste.

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Build your own Alien

Build your own Alien

If there is life out there, it probably doesn’t look anything like us. However, if a planet has the capacity to create and sustain life – whether as bacteria or as little green men – it is fairly certain that, like ourselves and other life forms on our own planet, alien life forms have evolved to survive and prosper in that environment. Just for fun, take the tests below to see if you can imagine what kinds of beings might live on the four planetary environments suggested. By clicking and dragging each one, take items from the pool of possible body parts, and attach them to the blank alien’s head, bearing in mind the conditions on each planet, and – build your own alien.

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Are we alone?

Build your own Alien

Biologist Richard Dawkins makes a case for "thinking the improbable" by looking at how the human frame of reference limits our understanding of the universe. Oxford professor Richard Dawkins has helped steer evolutionary science into the 21st century, and his concept of the "meme" contextualized the spread of ideas in the information age. In recent years, his devastating critique of religion has made him a leading figure in the New Atheism. “Dawkins ... is a master of scientific exposition and synthesis. When it comes to his own specialty, evolutionary biology, there is none better.” — Jim Holt, The New York Times

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Photo Gallery

The beauty of Messier nebulae. The list is up to 110 objects. See more.....
Cats Eye
Dumbbell
Helix
Lagoon
Omega
Orion
Saturn
Trifid