New Radio Telescope is World's Largest

[Tom.G]

World's largest radiotelescope just completed.

http://news.xinhuanet.com/english/2016-07/03/c_135485643.htm

 

[Drakkith]

At 500 meters across, it's got 785,000 m² worth of aperture... that's a lot of dish!

 

[websterling]

At 500 meters across, it's got 785,000 m² worth of aperture... that's a lot of dish!

Actually it's 196350 m².
A = $\pi$r²
Still a lot of dish!

 

[Drakkith]

Actually it's 196350 m².
A = $\pi$r²
Still a lot of dish!

Whoops, I used 500 meters as the radius when it's actually the diameter.