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TIL The world's biggest and the most low-frequency-sensitive radio telescope array is at Pune and recently helped detect nano hertz gravitational waves (www.ncra.tifr.res.in)

submitted 2 years ago by professor_entropy to c/india

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What other technological marvels do we have?

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[–] professor_entropy 3 points 2 years ago

It helped detect the first nano hertz gravitational waves https://indianexpress.com/article/cities/pune/punes-gmrt-first-indian-facility-detect-gravitational-waves-8692416/lite/ which needs high sensitivity, probably originated from merger of two super massive blackholes.

[–] CapitalismsRefugee 3 points 2 years ago

Nano + Hz

If I remember units correctly that is a frequency of # per billion seconds, yeah? That would be a frequency of once per 30 years, surely I'm missing something...