CURRENT AFFAIRS

2018

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What type of galaxy did the astronomers discover lately using the Indian Telescope, Giant Metrewave Radio Telescope (GMRT)?
A
Elliptical Galaxy
B
Spiral Galaxy
C
Irregular Galaxy
D
Radio Galaxy
Explanation: 

Detailed explanation-1: -The Giant Metrewave Radio Telescope (GMRT), located near Narayangaon, Pune in India, is an array of thirty fully steerable parabolic radio telescopes of 45 metre diameter, observing at metre wavelengths.

Detailed explanation-2: -The Giant Metrewave Radio Telescope (GMRT) Observatory, located near Pune, Junnar, Narayangaon in India, is an array of thirty fully steerable parabolic radio telescopes observing at metre wavelengths.

Detailed explanation-3: -The GMRT will detect radio waves mainly with a wavelength of one metre from bodies such as quasars and pulsars. But it is also capable of operating at six different wavelengths from about 20 cm to as much as 8 metres–a range never studied before, says Swarup.

Detailed explanation-4: -Notes: The Giant Metrewave Radio Telescope (GMRT) is located at Khodad, 80 km away from Pune, in the state of Maharashtra.

Detailed explanation-5: -The Giant Metre-wave Radio Telescope (GMRT) is a recent world class instrument for studying astrophysical. phenomena at low radio frequencies (40 to 1450 MHz). GMRT has been designed and built in India by NCRA-TIFR as a national project at a low cost of about 15 million US (1992) $. The array telescope consists of 30.

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