- For the third time, scientists have detected the gravitational waves validating Albert Einstein’s predictions
- The prediction was made a century ago
- The latest detection has strong implications on the nature of black holes and dark matter
June 04, 2017: The third set of gravitational waves has recently been detected by LIGO (Laser Interferometer Gravitational-Wave Observatory), a complex yet effective experiment to detect gravitational waves. The detection validates Albert Einstein’s theory that space compresses and stretches itself.
The prediction was made a century ago. The successful detection also holds significance for the true nature of black holes and dark matter. It puts the predicted theory to test!
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The historic moment was witnessed by the international research team, including scientists from India. The faint hum of the waves can only be heard by the cutting edge science and sensitive detection of LIGO. The wave is produced when two black holes merge together.
The latest detection is called GW170104 for which the observations began last year. Gravitational waves were first observed in September 2015 and then in December of the same year.
The third waves have been detected twice as far from the Earth as the earlier two detections. The combined black hole has a mass about 49 times more than that of the sun. The merger of the two black holes can be traced back 3 billion years ago.
The waves are studied in a research paper that has received acceptance for publication by journal ‘Physical Review Letters’. IIT Madras has contributed significantly to the study. It models the gravitational waves sources and tests the consistency of signals.
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Scientists say that the new detection advances their goal of observing ancient events through waves, otherwise invisible through other means.
LIGO is based in the US. But India is working to set up its own observatory as well. India hopes to set it up by 2024. India looks to contribute to the global scientific knowledge.
– by Saksham Narula of NewsGram. Twitter: @Saksham2393
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