Radio Telescopio de Arecibo

8/9/2019 Radio Telescopio de Arecibo

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Arecibo Observatory

By Jomel Maldonado


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Inthis prese

ntatio

nwe will:

S ee where the observatory isL

earn facts about the observatoryL earn about the Gregorian domeF ind out what research is done in the

observatory.L earn about the SETI S ee the producers of this presentation.


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F acts a

nd F

iguresT he radar is a largereflective dish, it is not

parabolic but actuallyspherical.I t is suspended by 3equidistant towerswith bridge cables thathold the platform.


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M ore

F acts a

nd F

iguresT here are 40,000aluminum plates eachmeasuring 6 by 3.T hey provide the basisof reflection of theupgoing anddowncoming waves.


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M ore a

nd M

ore F

actsW eighing at 900 tonsand suspended 450 ftin the air, this is theheaviest suspendedmonument.I t has 26 steppersmotors that govern theantennas movements.I t is capable of turning

360 degrees.


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P hewLots of

F acts

T his is thetransmitting antennaewhere all the signalsare sent, the rest of theradar is for picking upsignals.


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T oo much facts

T his is the AngelRamos Visitor Center where you can see theradar and learn aboutit with interactivedemonstrations.I t is visited by 100,000

people from aroundthe world.


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T ech

nical Dome

T he waves come froma wide range and itcomes into focus usingthe Gregorianaluminum plates.T he waves comeinside and bouncearound in the domeuntil it comes intofocus.


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H ow it works

T he waves come in alldirections and indifferent ranges.E verything isconcentrated to one

point and picked up bycomputers.


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S o what

d oes the ra

d ar

d o?

S cientists around theglobe come to use theradars outstandingreception to study theouter space.Also scientists come tostudy the effects onthe atmosphere.


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W ork, work, work

T he radar has anextensive study of theionosphere and of global warming.T he radar also studiesthe surroundings of the earth with greataccuracy and precisionSETI is the wild card

of studies.


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Accomplishmen

tsOne of the recent achievements is thecorrect measure of the rotation rate of the

planet Mercury. Before it was estimated to be 88 days and now it is corrected to 59days.

Also the radar has found the lost satelliteS OHO which studies the sun bytransmitting echoes and doing detective

work.


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C in

ematographyT he observatory has

provided a uniquesetting for the movieContact and for themovie James Bond,Goldeneye, also for a

part of the X- F iles.


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SET I!!!!

SETI stands for S earch for E xtra-T errestrial I ntelligenceI t is a dream for manyto try to make contactwith other beings fromouter space.T he radar provides the

basis for making a

simple call!!!


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W hy?

E ach day, the radar points up just to waitand see if someone outthere has received our message and decidesto answer back.


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S ome

d ay

S omeday, some darnalien will respond tous and then well behearing it through theArecibo Observatorysears.T he first signal wassent in 1974 and stillno response.yet!!


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W e hope you like d the

presen

tation!!


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Brought to you by:


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T he Alie n :

Jomel Maldonado

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Radio Telescopio de Arecibo