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-- welcome -- Geoff Marcy the Watson minimum Marilyn Albert share.
And then it is bloody holes in the search for extraterrestrial intelligence professor at UC Berkeley you're killing me sir that there's actually -- -- dedicated to extraterrestrial intelligence right.
Well -- the first and I am really proud to hold this chair because the the search for intelligent life in the universe is.
Kind of wild and and it's timely.
-- you've got a -- give a Ph.D.
in astronomy are that's right.
So you're like pretty well credentialed with a stuff and why do you think now -- all -- attention happening now to the possibility of extraterrestrial life.
Well we're very lucky NASA launched two years ago -- news space -- telescope called Kepler and Kepler is finding hundreds.
-- sized planets for the first time so it's really a moment this.
In time in science history.
That we are finding the first earth like planet -- that of course begs the question is there any light on them.
What's your position do you do you take one do you have one about whether you believe there is or is not.
You know it's amazing to start we have no evidence of life elsewhere outside the -- But with that ignorant in mind.
They're two real answers here.
Primitive life like single celled life microbial life probably very common in the universe because it's so easy to make simple life.
But intelligent technological life may be quite rare we humans.
Maybe one of the -- technological species in the Milky Way galaxy Star Trek and Star Wars aside.
But -- only thing about life in other universe is or other planets.
We think of life analogous to ours but singles -- -- isms.
Would be I guess more what's likely.
However if there's do you think there's a good chance that there's life there's more advance -- hours.
Absolutely you have to remember that we humans have had radio technology such as we're using right here for only a hundred years.
But the galaxy.
Is ten billion years old so any species it's got a head start on that -- say.
A million or ten million years imagine.
The technology they would have the -- they would communicate.
You know the types of technology they have their disposal so they could be so far advanced we wouldn't even recognize them -- life.
-- now we're busy looking for them but are they busy looking for us.
Not only that but if -- advanced as we think they are there imaging that they're listening to what you and I are talking about they're recording it back someday I hope that that.
We can contact the aliens and ask them for videotape of what the earth was like at the time -- Christ and you know the time that the dinosaurs roamed the -- imagine footage of -- actual dinosaurs -- Great well if they're that advanced may be and it may be -- just advance so advanced that they know enough not to be interested -- his.
They're not come and and a visit right.
Well that's right -- US's sort of -- infantile.
Civilization and its species so young that they shouldn't touch us.
Less bill that disturb us.
No how many.
Alien planets are there.
Well we've found over 2300.
With this news space -- telescope.
And about half of them are the size of the earth merely so so -- it's a real avalanche we found them only in the last few months.
And that's why there's so much interest in asking whether there's life on those fun.
And you're saying that you think -- let's say 203020402050.
The -- tens of thousands of more planets.
-- -- -- We will have them and I think that's why there's a real desire right now to point our radio telescopes.
-- -- the stars and our optical and infrared telescopes and try to pick up signals from the aliens.
Now what does this have to do with -- -- we already know which argument the planet so we identify in our solar system.
You're -- a different solar systems right.
Yes that's right that did that earth like planets we are finding of course.
Are orbiting other stars we have our beloved eight major planets around the -- with poor Pluto having been demoted.
And none of the eight major planets in our solar system harbor.
Intelligent life we obviously would have known it -- now and there's still a question as to whether Mars where the moons of Jupiter might have microbial life on them.
How do we go about finding these -- -- how is our radio signals used.
-- this is so simple it's so beautiful.
We point to this space -- Kepler telescope that other stars.
And watch to see -- -- -- him a little bit.
And -- -- would dim if a planet crosses in front.
Blocking a little of the starlight and thereby dooming the start so we can't see the planet but we can see this start BM due to the planet.
Why is -- we've had you know for a number you Carl Sagan.
Was into this stuff that they there's a guy named Frank Drake they're very very well known in this field.
They haven't found -- thing right.
That the right it's quite dramatic that in that fifty years.
Frank Drake actually never found any previous signals from intelligent species and frankly.
I think that none detection is significant it seems to me very likely.
That advanced technological life is more -- you know -- we have learned on Star -- simply because we haven't heard a peep from them.
What makes us think we'll get any closer than those gentlemen -- Well you know we have -- much better technology now bigger radio telescopes better computers.
But frankly you your right that this could be a few -- exercise and might might -- -- this is if we don't look pretty advanced life in the galaxy will surely never find it so we ought to be -- What is the position of your fellow like -- dimensions -- they do they laugh at this.
You know everybody is skeptical -- right and sometimes when I bring up this search for intelligent life in university.
They look down at -- issues and -- there.
-- and change the subject.
But you know I think it by and large everybody knows we really should be doing this because after all if we didn't find.
Signs of another civilization out there it'll be the greatest discovery by humans since the discovery of fire.
But -- -- -- doctor Geoff Marcy who is you've got to share in this that you -- that that you've UC Berkeley.
But it is there -- course you teaches -- We -- teach courses on.
Planets around other stars and the environments on -- planet that might be conducive to life and what sorts of life might spring up on them depending on their temperature and -- gravity in their atmosphere and so on.
As I understand it a lot more private money is going into this for example Paul Allen one of the co founders of Microsoft.
Is personally interest in this has donated millions of dollars.
Yeah we're we're very lucky Paul Allen gave.
About 25 million dollars toward the construction of a new radio telescope in northern California.
And we actually hope he'll give us a little bit more because we need more but that radio telescope is functioning and literally searching as we speak.
For the radio and television transmissions from advanced civilization.
No -- no sign of laser beams of being emitted from anywhere else correctly all of that.
That's a brilliant question because that's the next step and one of the things my group is doing is looking for laser beams from the aliens may -- there's an advanced.
-- -- -- In which it's spring cable of course but -- started.
But they couldn't -- communicate by laser beams and we might be able to pick up the -- -- laser light with our own telescope.
You really don't like you really want to believe this.
Well and you know actually I'm agnostic I I really feel like they may be.
Out there and they may not I mean we humans may be a -- Consequence of Darwinian evolution and we just happen to have sprung up two million years ago on the east African Savannah.
On the other hand -- are kindred spirits are indeed out there in large numbers -- And so I just don't know I don't think anybody knows that we have to look.
Don't make a mistake though we think that whatever might exist is kinda like us they've got recording devices are there they think like -- so there are some kind of human.
Biology like we have -- that it might be.
They might be into these we can't even conceive.
Yeah I mean we're we're so narrow minded and -- we we really can only search for biology.
That's something like the biology here on the earth.
And as -- -- may -- biology elsewhere has different ways of communicating may be based on non carbon.
Maybe they did they use machines for most of their body parts if not all of them and they communicate with X rays.
You know they could be so different we wouldn't know them -- -- you know if they stood right for.
What about the possibility that they're actually among us but we can't recognize each other.
Well you know it's that's the stuff of science fiction and -- that they -- walking among us out in the streets but.
I kind of doubt it I think that that you've been a reason for them to be so courts.
It's fascinating topic appreciate you talking with about it sir thanks for your time -- thanks very much --
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