Q. 2 D5.0( 2 Votes )

How Is X-ra

Answer :

In earlier days in the 17th century, people only have an optical telescope. So they have a limitation in using an optical telescope. In order to a deep understanding of neutron star, black hole, supernova scientist need X-ray telescope. They are not sensitive to pollution. The first x-ray telescope was launched by NASA named ‘Einstein’ later it was renamed as Chandra which sent an image from distant galaxies.


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