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ET – phone home, not a good idea

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Stephen Hawking warns over making contact with aliens

Mr Hawking says it is ‘perfectly rational’ to believe in aliens

Aliens almost certainly exist but humans should avoid making contact, Professor Stephen Hawking has warned.

In a series for the Discovery Channel the renowned astrophysicist said it was “perfectly rational” to assume intelligent life exists elsewhere.

But he warned that aliens might simply raid Earth for resources, then move on.

“If aliens visit us, the outcome would be much as when Columbus landed in America, which didn’t turn out well for the Native Americans,” he said.

Prof Hawking thinks that, rather than actively trying to communicate with extra-terrestrials, humans should do everything possible to avoid contact.

He explained: “We only have to look at ourselves to see how intelligent life might develop into something we wouldn’t want to meet.”

In the past, probes have been sent into space with engravings of human beings on board and diagrams showing the location of our planet.

Radio beams have been fired into space in the hope of reaching alien civilisations.

Prof Hawking said: “To my mathematical brain, the numbers alone make thinking about aliens perfectly rational.

“The real challenge is to work out what aliens might actually be like.”

The programme envisages numerous alien species including two-legged herbivores and yellow, lizard-like predators.

But Prof Hawking conceded most life elsewhere in the universe is likely to consist of simple microbes.

Source: BBC News Read more

Opinion:

Well, called.

If the aliens that come here are as much megalomaniacs as we are, but with technology that we don’t have (obvious, because they got here, we didn’t get there) we are not in deep space, we are in deep shit.

SometimesCalvinHobbes

His analogy with Europeans arriving in America is very apt.

 

Japan quake ‘heard at edge of space’

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Goce flies lower than any other scientific satellite

The great Tohoku earthquake in Japan two years ago was so big its effects were even felt at the edge of space.

Scientists say the Magnitude 9.0 tremor on 11 March 2011 sent a ripple of sound through the atmosphere that was picked up by the Goce satellite.

Its super-sensitive instrumentation was able to detect the disturbance as it passed through the thin wisps of air still present 255km above the Earth.

The observation is reported in the journal Geophysical Research Letters.

It has long been recognised that major quakes will generate very low-frequency acoustic waves, or infrasound – a type of deep rumble at frequencies below those discernible to the human ear. But no spacecraft in orbit has had the capability to record them, until now.

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Puts a whole new meaning to the age old question: “If a tree falls in the forest and no man is there to hear it, does it make a noise?”

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