Tuesday December 12, 2017
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Distant galaxies to remain blurry in telescopes

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source: nasa.gov

The National Research Council of Canada has suggested that the universe has a certain trait which blurs distant images of galaxies, and telescopes, no matter how big, will fail to clearly see them clearly.

The Hubble Telescope had construction flaws which created blurry images; so astronomers were looking forward to the James Webb Space Telescope, which is to be launched in 2018. The telescope was supposed to give a better view of the galaxies. But now, it is possible that the James Webb and future versions would continue to fall short.

However, quantum mechanics is a highly volatile topic with frequent new findings. If the theories accepted at present get disproved, the predictions will prove to be false.

Light originating from galaxies, which are millions of miles away, travels the vast space to reach the telescope lens. On the way, whatever it encounters blurs the light. No telescope would be able to fix this issue.

If things are seen on the Planck Scale, the smallest scale according to quantum theory, tiny particles form and destroy each other constantly. Even though these reactions occur at such a small level, they create ripples in space-time, distorting the light that passes through, much like how the earth’s atmosphere disturbs it here.

But if it is correct, it only shows us how little we may ever know of our universe, thanks to its massive size.

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‘Saraswati’ : Indian Scientists Discover huge supercluster of Galaxies

An Indian scientist has successfully discovered a new supercluster of galaxies that he has named 'Saraswati'

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Saraswati
Earth is part of the Milky way galaxy. Wikimedia
  • A team of Indian astronomers has detected a huge supercluster of galaxy that they have named ‘Saraswati’
  • This newly discovered galaxy is said to be as big as 20 million billion suns
  • 4,000 million light years away from Earth, the Saraswati is Earth’s largest neighborhood structure

July 14, 2017: A huge supercluster of galaxies was discovered by astronomers from India. The galaxy, named ‘Saraswati’, is as big as 20 million billion suns.

The newly discovered galaxy is the largest known structure in the neighborhood of the universe. It is approximately 4,000 million light-years away from the Earth. It is more than 10 billion years old. The mass of the galaxy extends over 600 million light years.

The team members include Pratik Dabhade, a research fellow at Inter-University Centre for Astronomy and Astrophysics (IUCAA), Shishir Sankhyayan, a student at Indian Institute of Science Education and Research (IISER), Joe Jacob, a student at Kerala’s Newman College and lastly Prakash Sarkar from National Institute of Technology, Jamshedpur.

ALSO READAstronomers Spot Primitive ‘Little Cub’ Galaxy that may Shed Light on Early Universe

The team’s research has been published in the Astrophysical Journal which is a prestigious Journal of the American Astronomical Society.

The team analyzed the data from Sloan Digital Sky Survey, a large spectroscopic survey of different galaxies.

It is estimated that there are 10 million superclusters in the whole universe. The milky way galaxy, where our planet Earth lives, is the part Laniakea cluster.

– by Saksham Narula of NewsGram. Twitter: @Saksham2393