Powerful, radio-wavelength laser light has been detected emanating from the greatest distance across deep space yet.
of the Curtin University node of the International Centre for Radio Astronomy Research in Australia.A maser is the microwave equivalent of a laser . Rather than emitting visible light, a maser emits microwave and radio wavelengths that are stimulated and amplified. For an, the processes that amplify the light are cosmic; planets, comets, clouds, and stars can all produce masers.
The source of the megamaser detected by Glowacki and his colleagues is just that, a galaxy named WISEA J033046.26−275518.3 – now known as Nkalakatha. The MeerKAT survey was not designed to look for megamasers. It's called Looking at the Distant Universe with the Meerkat Array , and it's looking for a 21-centimeter wavelength emitted by neutral hydrogen in the early Universe, stretched by the expansion of the Universe.The wavelengths of a hydroxyl megamaser are, however, 18 centimeters; when they're redshifted, they're even longer, and that redshifted signal was within the range detectable by the telescope array.
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Telescope discovers record-breaking galactic space laserA powerful telescope in South Africa has detected a space laser, known as a 'megamaser,' that is 5 billion lightyears from Earth. Scientists named it Nkalakatha, an isiZulu word meaning 'big boss.'
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