Where to build a HUGE telescope?
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- เผยแพร่เมื่อ 9 ก.พ. 2025
- It was Africa vs Australasia, but now it has been revealed where the SKA (Square Kilometre Array) will be built. Two of our astronomers explain the whole thing and share their opinions. The SKA website is: www.skatelescop...
Featuring Professor Mike Merrifield (University of Nottingham) and Professor Paul Crowther (University of Sheffield).
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Videos by Brady Haran
Brady's other channels include:
/ periodicvideos (Chemistry stuff)
/ sixtysymbols (Physics and astronomy)
/ numberphile (Numbers and maths)
/ nottinghamscience (Science and behind the scenes)
/ foodskey (Food science)
/ backstagescience (Big science facilities)
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/ bibledex (Academic look at the Bible)
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/ philosophyfile (Philosophy stuff)
I'm subbed to notinghamscience, sixtysymbols, foodskey, numberphile, periodicvideos, and this channel here. I must say that Prof. Merrifield is amongst my favourites throughout all the channels. He is very fun to listen to!
South African here. Not only will we take great care of this fantastic instrument , but I myself will (if things go according to plan) be contributing to its success in my capacity as astrophysicist.
Brady, when you're here in SA to document progress, let us know your whereabouts! I'm sure there's quite a few of us (subscribers) over here who'd love to meet and chat.
Thank you Brady and the unsung hero, Stephen for making these amazing videos!!
Taken off their website:
"The accurate pulsar clocks, together termed a pulsar timing array (PTA), in combination with the SKA telescope, will provide us with a unique opportunity to find these elusive gravitational waves at wavelengths that no other planned instruments will be able to detect."
Not exactly super descriptive, but that's what it says. If you look up 'pulsar clock' and 'pulsar timing array' you should have a pretty good idea though.
I had a pub quiz question about this last night! I wish i had watched this video yesterday rather than today haha
I'm a video journalist - see a list of my projects (mainly science) in the description under the video... I know these people through meeting them and filming them and asking them questions!? I've been filming poor old Mike for years, mainly for the sixtysymbols channel... Paul is a more recent victim!
Three Countries Are Named .
Two Contents Are Named .
" The Two Governments "
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Wikipedia
On 12 March 2019, the Square Kilometre Array Observatory (SKAO) was founded in Rome by seven initial member countries: Australia, China, Italy, the Netherlands, Portugal, South Africa and the United Kingdom. India and Sweden are expected to follow shortly, and eight other countries have expressed interest to join in the future. This international organisation is tasked with building and operating the facility, with the first construction contracts expected to be awarded in late 2020.[11] By mid-2019, the start of scientific observations are expected to start no earlier than 2027, with the date having "been pushed back repeatedly from an initial date of 2017."[4]
In July 2019, New Zealand pulled out of the project.[4]
? AUT STILL INVOVLED ?
Auckland University Of Technology .
Always good for scientific advancements to continue :)
"It takes us to a voyage through the unknown - who knows what else it may reveal"
Very well put and applicable to so many scientific projects and exploits!!!
I used to live in Carnarvon in South Africa where the epicenter of this monster is being build. It is remote !!
Will change the town and the lives of everyone living there
By precision timing of pulsar emissions. Binary pulsar studies already gave us the best evidence for gravitational radiation we have. Direct detection of gravity waves in-flight using pulsars will take long-term measurements from a large number of millisecond pulsars, and will be limited to low frequencies, but should be vastly easier and cheaper than laser interferometry.
YES! I knew you would make this video eventually ;] I don't know if my messages were what got ya to look into it, but thanks a million regardless :D
I love listening to Big Mike ..... Legend
cheers - sorted!
it means Australia and NZ (and a few others, but commonly Aus and NZ)...
Great info thanks for sharing
Is this setup as or more efficient than one huge sqkm disc, or do they just build it this way because the other alternative would be impossible to build?
As a South African, this makes me proud!
Will there be a video on the LOFAR telescope?
You need to do a video on LIGO
imo it has something to do with gravitational lens effect
What do you mean by gravitational waves? Disturbances in gravity by what?
How can it detect gravitational waves?
5.38
Good!
A class of celestial objects, pulsars, which are rapidly rotating neutron stars, emits prominent radio wave signals with extremely precise periods. These signals, on their way to the Earth, are affected by the ripples in space-time caused by gravitational waves traveling across the cosmos. The disturbance of gravitational waves can result in a very tiny bit of advancement or delay in the arriving times of the signals, which, in principle, can be detected with highly sensitive instruments.
As someone who studies biology, I'd probably have kittens if we detected a television signal from a nearby star system. After all, it'd be at least a second occurrence of life to study. Galaxy formation is neat and all, but previously unknown life? I'd sign on for that century or more voyage.
1 sq km, your title certainly doesn't mislead, that is a huge telescope.
com/PhilosohyFile in the desc is missing a P, I tried clicking it and got an error. This is a message for those who are interested in the page :P
They should build it in the half of the earth,middle Africa , Algeria,clear sky,on a hight rocky mountain called Hogar.
On the title: “Where to build a HUGE telescope”. Have a feeling that more telescope ground stations are about to be build: The chineese investor Huang Nubo (with chineese government backing) is extremely keen on buing 300sq/km of landmass in NE of Iceland (least populated area). The investor stipulated that light pollution from neighbouring area may not increase. Few weeks after Iceland’s minister of the interior declined the offer ” the French radio tracking ship Monge paid Iceland a visit. :)
"It takes us to a voyage through the unknown - who knows what else it may reveal"
Very well put and applicable to so many scientific projects and exploits.
INVEST IN (REAL) SCIENCE!!!
I wanne see these things in L4 and L5.
How'd you start off knowing them? Did you happen to find yourself in Nottingham Uni one day and decide to film the guy with the funny hair?
I hope it doesn't depend on high speed Internet in Australia because our broadband sux :(
+Michael Duncan I am sorry but all Astronomers will agree with this statement. The Emperor KING of Observatories is ESO = European Southern Observatories both Optical and Radio Fully 100% E-VLTs (Extremely View Computerized Actuators Large Telescopes of the ELT = Extremely Large Telescopes, Fully Computerized at 8.3 Meters Apertures up to 12 Meters Diameter Computerized Actuators Reflecting Parabolic Newtonian Telescopes Located on the Atacama Plateau Desert Semi Mountain Plateau of the Atacama Plateau Desert of , CHILE, of South America Paranal and Alma Radio Telescopes also located at 6,893 Meters Altitudes. The European Southern Observatories of Optical Extremely Large Computerized Actuators Optical Telescopes of the VLTs and ELTs of The Atacama Desert Plateau of the Mountain Desert Atacama Plateau of the Atacama, CHILE Paranal Observatories of The European Southern Observatories of CHILE, Paranal Atacama Plateau both Paranal VLTs ELTs Parabolic Newtonians Fully Arrayed Computerized Actuators Hydrolics Giant Parabolic Primary Mirrors of the Atacama Desert Plateau of Paranal of CHILE of ESO = European Southern Observatories + with 100s of Giant ALMA Arrays of Atacama Plateau Desert Radio Telescopes and Super Giant Extremely Large Parabolic Reflector Fully Computerized Hydrolic Actuators Adaptive Optics Extremely Large Parabolic Newtonian Fully Computerized 8.3 Meters Diameters and 12 Meters Diameters Super Extreme Large Telescopes of ESO = European Southern Observatories of the Atacama Plateau Desert of CHILE, South America and ALMA Giant Arrays of Radio Telescopes Reigns SUPREME PLATINUM ASTRONOMY of The Chilean CHILE Atacama Plateau Desert of 6,993 Meters of Atacama Plateau Desert SUPER ASTRONOMY PLATINUM AGE OF ASTRONOMY DIGITAL COMPUTERIZED KING EMPEROR of ESO = European Southern Observatories Located at the High Mountain Plateau Desert of the Atacama CHILE Desert Plateau of CHILE, SOUTH AMERICA REIGNS SUPREME ESO (European Southern Observatories with already over 55 Years of Observatory Operational Successful Astro Imaging both C.C.D. Giant 250 MegaPixels Large Format 8 x 10 inch CMOS Giant C.C.D. Super Chilled Cooled Camera Hyper Sensitive that have already Imaged Galaxies Across the other side of Our UNIVERSE and easily has for many Decades Defeated the ``American Hubble Space Telescope which is only 2.4 Meters Diameter Parabolic Newtonian Telescope in Earth Orbit. The Paranal Extremely Large VLTs and ELTs Parabolic Newtonian Super Giant Telescopes of The European Southern Observatories of Paranal Atacama Plateau Desert of High Andes Plateau Mountains of ESO European Southern Observatories are Standard Equipped with Computerized Laser-Software Periodic Checks to Subtract ALL remaining Atmospheric remaining Scintilations of the Atmosphere with Astronomy Computer Software Capable with Lasers shot into the Atmosphere the Measure and Subtract any remaining Atmospheric Turbulence or Image Scintilations of the Atmosphere above , now essentially removing ALL Atmospheric Scintilations or Turbulence removed in Imaging Laser Measured and Software which allows the European Southern Observatories to reach their theoretical Dawes Limit of Extremely Large Telescope ``Resolution to Dawes Limits and essentially Duplicating Orbital Earth Orbiting Hubble Space Telescope but now beyond the Hubble Space Telescope can do , due to ``Adaptive Laser Optics and Software Laser Measured Removal of ALL Atmospheric Turbulence and Scintilations to ``Orbital Telescope True Dawes Limit Capacities of Resolutions and Huge Magnitude Gains that Surpass the Orbital Hubble Space Telescope because ``European Southern Observatory Atacana Paranal Andes Mountain Plateau Desert E.S.O European Southern Observatories have ``Adaptive Laser Measured to Software Removal of ALL Atmospheric Turbulence and Scintilations thus Duplicating the Conditions of Paranal Atacama Plateau Parabolic Primary Mirrored Super Giant E.S.O. Newtonians Fully Computerized both on the Primary Mirror Hydrolic Actuators making Nanosecond Adjustments to Actuators in the 1,000s of Hydrolic Computerized Actuators which allows for 12 Metered Diameter Parabolic Mirrored E.S.O. CHILE Telescopes and even up to 30 Meters Diameter, 1,000,000s Millions of Fully Arrayed Computerized Actuatored Modern Telescopes of E.S.O. (European Southern Observatories of CHILE Atacama Paranal Mountain Desert Plateau of the Chilean Andes Mountain Desert Plateaus also with ALM Super Giant 100 Meters or more Radio Telescopes Fully Computerized Arrayed to Follow the Specific New General Catalogue, Messier, or Caldwell Object Database Telescopes Super Computerized Giant Telescopes of E.S.O. European Southern Observatories of CHILE Paranal Atacama Plateau Desert Mountain Plateau with 55 Years by the end of this year 2015 since 1960, of Solid Imaging E.S.O. Cast Paranal Observatories of CHILE Atacama Desert Plateau Astro Imaging Experienced Astronomers++++++. My $100.00 Latest Version 6th Edition Super Large Encyclopedia of ASTRONOMY Textbooks 2012 Edition was all Color Colour Digital Knockout Super Bright Razor Sharp Color Images of the N.G.C.s and Messier and Caldwell Objects was ALL Published by Astronomers of E.S.O. (European Southern Observatories, which has the Andromeda Galaxy True latest Updates of the Messier 31, 32 and 110 Andromeda Island Galaxies along with its Super Massive 200,000 Light Years Across Andromeda Messier M-31 and M-32 at its proper updated Science Astronomy Measured distance of 2,900,000 Million Light Years Away from Earth ``NOT`` the more older wrong ERROR reading only 2,000,000 Light Years Away. E.S.O.s updates places the Andromeda Galaxy closer to 3,000,000 Million Light Years away from Earth than just the 2,000,000 shorter Light Years away. So, E.O.S.O Update Computerized Super Large Telescopes and Computerized much more accurate Hubble Space Telescope ``Adaptive Optics has long ago surpassed the American Hubble Space Telescope using ``Laser Measured Adaptive Optics Atmospheric Aberations Removal Software duplicating the Resolutions of their Dawes Giant Super Telescope Square Areas Diameters identical to what the E.S.O. Telescopes would see if they were in Earth Orbit by using ``Laser Measured Removal of ALL Atmospheric Turbulence and Scintilations allowing E.S.O. Parabolic Super Giant Newtonian Reflector Computerized Telescopes to Reach their 0.0001`` Arc Second or better Orbital Earth Class Resolutions surpassing any images that the more Aperture 2.4 Meter only Hubble Space Telescope can only Dream of Accomplishing do to E.S.O.s Orbital Earth Orbit Telescope Resolutions allowed by ``Laser Measured Adaptive Optics, thus removing ALL Atmospheric remaining turbulence and scintilations, which duplicates Orbital Equivalent Earth based Orbital Equivalent ``Laser Measured, to Adaptive Optics Softares to remove ALL remaining Atmospheric distortions or aberrations of any kind, the Final END of the Hubble Space Telescope now, compared to Laser Measure Adaptive Optics Softwares of the E.S.O. European Southern Obsevatories of the Atacama Desert Plateau of CHILE, Andes Mountain Atacama Desert E.S.O. Plateaus Extremely Large Parabolic Reflector Telescopes of The European Southern Paranal Observatories, CHILE of South America which marks its 55th Anniversary next year in 2016. What these Giant or Extremely Large Telescopes of the VLTs and ELTs (Extremely Large Parabolic Computerized Telescopes.) can achieve is to totally go beyond the Hubble Space Telescope to the Other Sides of Our UNIVERSE GALAXIES and most Distant ``QUASERS`` ever seen by Earth Astronomy Humankind Realms of Endeavors Astro Imagings and Slow Shutter db GAIN Control C.C.D. and CMOS Astro-Video Astronomy and Color Image Super Cooled Intensifier Cameras Professional and Extremely Large Parabolic Primary Mirrored E.S.O. Color Infrared Photography Imagings of UNIVERSE Galaxies and Nebulae , Planetary Super Novae Nebula and Emission, Diffuse, Reflection Nebulae in the Giant E.S.O. ``Color Colour Infrared Imagings can accomplish at E.S.O. European Southern Observatories, CHILE Atacama, Desert Mountain Plateaus Telescopes of Paranal and Alma both Optical and Radio Telescopes of The European Southern Observatories Arrays Modern with 55 Years of Astronomy Telescopes and Astronomers busy at work to Scientifically Define, Refine, Re-Construct Our UNIVERSE and Catalogue a much Larger UNIVERSE than what even the Hubble Space Telescope CANNOT match the Ultimate Supremacy Master KING EMPEROR of ASTRONOMY ``E.S.O. = European Southern Observatories can accomplish both Paranal and Alma Super Giant Parabolic Fully Computerized Optical and Radio Telescopes of The European Southern Observatories can accomplish and have already accomplished beyond the Hubble Space Telescope, at the European Southern Observatories of the Atacama Mountain Desert Plateaus of CHILE Andes Paranal and Alma Mountain Atacama Desert Plateaus of Andes Desert Mountain Plateaus Deserts of Atacama European Southern Observatories , CHILE has already surpassed the Decades ago what the Hubble Space Telescope accomplished in just this beginning of this 21st Digital Century Ages Realms of ASTRONOMY Endeavors for Humanity!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+Jules Verne I'm sorry but the entire universe agrees that *_your comment was in no way relevant to the discussion_*.
@@julesverne4629 Paragraphs are important, friend.
Because it's more heavily populated, not as radio quiet and the US provided f all funding for this international collaboration.
What about the thirty meter telescope? no videos about that yet
I would happily let them build it in my garden. I wouldn't even charge.
How do you know these people? Are you yourself an astronomer?
since it's an array, it should cover half the globe
I bet because magnets..?
Can you ask these guys why are all of the new radio astronomy sites located in southern hemisphere? Why neglect northern skies?
Surely, there are suitable locations in Alaska, Mexico, Arizona, Rusia...
Brady, did you realise that by yourself you are 24 orders of magnitude better than the entire ABC science department (which is of course Gordons number better than all the commercial stations put together)
Australia FTW!!
No disrespect to ZA, but though they may have plenty of space for such an array, actually building it there seems like a phenomenally bad idea.
somewhere over the rainbow
Re 5:44 Maybe in a few decades time we'll be able to watch Neil and Buzz doing their thing reflected live from some moon in a distant solar system.
Think that will finally shut up the Apollo hoaxers? Nah.
Alien TV!
I would sign up for this channel alone.
So your work is to educate TH-cam?
Australia is not, nor ever will be part of New Zealand and vice versa. Last time I checked the two countries are seperated by ocean, not to mention culture and politics. I am a little disappointed that they are mentioned like a city or state within country "Australia New Zealand". I could go on ranting, but I get the picture, win win for science.
Don't you mean a milliard square meters? :-p
Brady will end up being the biggest scientific popularizer of our generation...
It's unfortunate that politics had to get in the way of the science. It was clear that Australia was the best location and that putting the entire thing in either country would have been a better solution than splitting it across continents. :-(
Isn't it obvious
Africa is not known for long term political stability...
Lol i'm a sub of you? You watch this aswell.
Uooge telescope with a big beautiful detector in the middle keep the aliens out
maybe its just me but i dont like this new guy paul, nothing special, maybe because im not used to seeing him :D