Previously unknown space radio waves coming from the center of the Milky Way galaxy detected by astronomers

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Strange radio waves emerge from direction of the galactic centre
Strange radio waves emerge from direction of the galactic centre: ASKAP J173608.2-321635

Space experts have detected new unusual radio waves coming from the center of the Milky Way galaxy.

The energy signal is unlike any phenomenon studied before and could suggest a previously unknown stellar object.

The brightness of the object varies dramatically, and the signal switches on and off apparently at random.

The strangest property of this new signal is that it has a very high polarisation. This means its light oscillates in only one direction, but that direction rotates with time,” he said in a news release.

The team initially thought it could be a pulsar – a very dense type of rapidly spinning neutron (dead) star, or a type of star that emits huge solar flares. The signals from this new source of radio waves, however, don’t match what astronomers expect from these types of stars.

This object was unique in that it started out invisible, became bright, faded away and then reappeared. This behaviour was extraordinary,” said study coauthor Tara Murphy.

The object was initially spotted during a survey of the sky using the Australian Square Kilometre Array Pathfinder radio telescope, known as ASKAP, which has 36 dishes that work together as one telescope at the Murchison Radio-astronomy Observatory in Western Australia.

Follow-up observations were conducted with the the Parkes radio telescope in New South Wales and South African Radio Astronomy Observatory’s MeerKAT telescope. However, the Parkes telescope failed to detect the source.

We then tried the more sensitive MeerKAT radio telescope in South Africa. Because the signal was intermittent, we observed it for 15 minutes every few weeks, hoping that we would see it again,” Murphy said in the statement.

Luckily, the signal returned, but we found that the behaviour of the source was dramatically different – the source disappeared in a single day, even though it had lasted for weeks in our previous ASKAP observations.

Murphy said more powerful telescopes, such as the planned Square Kilometre Array, may help solve the mystery. The array is an international effort to build the world’s largest radio telescope that’s expected to be completed within the next decade. [ApJSydney UniversityCNN]

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5 Comments

  1. Consider, moreover, the manifold divergences that have resulted from the theories propounded by these men. Know thou that every fixed star hath its own planets, and every planet its own creatures, whose number no man can compute. –
    Every heart is filled with wonder at so bewildering a theme, and every mind is perplexed by its mystery. God, alone, can fathom its import…. Know thou that every fixed star hath its own planets, and every planet its own creatures, whose number no man can compute? Life is out there indeed?
    Islam

  2. Well, maybe now they will get funding for a square kilometer array, and be able to discover something more concrete?

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