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Asteroids Strike on Earth is Inevitable, Likely to Affect Millions of People: Study

Over 1800 Potentially Dangerous Objects Have Been Identified Near Earth

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Earth , asteroid attacks
Earth is susceptible to asteroid attacks and it’s just a matter of time when it is going to happen. Pixabay
  • It is a case of when an asteroid collision will happen, rather than if it will happen
  • The asteroid warning comes ahead of the world asteroid day on 30th June
  • A Czech scientist who has analyzed 144 fireballs from meteor showers has already warned that the risk of a big-sized asteroid hitting earth surface is pretty high

June 23, 2017:

Earth is susceptible to asteroid attacks and it’s just a matter of time when it is going to happen. Any asteroid attack or outer space stuff on any major city could do a significant damage and millions of live would be affected.

Alan Fitzsimmons from Queen’s University Belfast in Britain, said “it is a case of when an asteroid collision will happen, rather than if it will happen.”

The asteroid warning comes ahead of the world asteroid day on 30th June. It is so because, on 30th June, 1908, an asteroid of small size exploded over Siberia which even out 2000 sq kilometres of area.

However this year’s world asteroid day would contain discussions and presentations which will be live streamed from Luxembourg in which Apollo 9 astronaut Rusty Schweickart and International Space Station astronaut Nicole Stott will answer questions from people on social media.

ALSO READ: NASA’s OSIRIS-REx Spacecraft begins 2-week search for Earth-Trojan asteroids

Mr Fitzsimmons told that scientists have worked at great lengths to recognise near earth asteroids and how much damage they can yield upon striking. He also told that over 1800 potentially dangerous objects have been identified near earth and many more are to be found.

However, he has said, “Astronomers find near-Earth asteroids every day and most are harmless. But it is still possible the next Tunguska would take us by surprise, and although we are much better at finding larger asteroids that does us no good if we are not prepared to do something about them.”

A Czech scientist who has analysed 144 fireballs from meteor showers has already warned that the risk of a big-sized asteroid hitting earth surface is pretty high.

– by Sumit Balodi of NewsGram. Twitter: @sumit_balodi

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Study Reveals Solar Cells Can Retain Most Of Their Power Conversion Efficiency in Near Space

In the study, researchers from China's Peking University sent the devices fixed with PSCs into near space on a high-altitude balloon.

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solar energy
Perovskite solar cells (PSCs) are known for their potential of achieving higher efficiency and low production costs compared to traditional silicon solar cells. Pixabay

Chinese researchers have found that solar cells can retain most of their power conversion efficiency in near space, providing perspectives on the cells’ future application in space.

Perovskite solar cells (PSCs) are known for their potential of achieving higher efficiency and low production costs compared to traditional silicon solar cells.

These cells also have great potential for developing the new-generation energy technology for space application, but little research has been done to test the stability of PSCs in the extreme space environment, Xinhua news agency reported.

In the study, researchers from China’s Peking University sent the devices fixed with PSCs into near space on a high-altitude balloon.

energy
These cells also have great potential for developing the new-generation energy technology for space application, but little research has been done to test the stability of PSCs in the extreme space environment, Xinhua news agency reported. Piixabay

The balloon rose to near space at an altitude of 35 km, a region above Earth’s atmosphere where there is only a trace amount of moisture and ozone.

The region, considered to have “air mass zero” contains no atmospheric attenuation of solar radiation and therefore several high-energy particles and radiation, such as neutrons, electrons and gamma rays, originate from the galactic cosmic rays and solar flares.

solar cells
Chinese researchers have found that solar cells can retain most of their power conversion efficiency in near space, providing perspectives on the cells’ future application in space.
Pixabay

Also Read: Know About The Psychologists Team Helping To Prevent Farmers’ Suicides in Parts of Telangana

According to the findings, one type of PSCs used in the study retained more than 95 per cent of its initial power conversion efficiency during the test, the researchers reported in the journal Science China Physics, Mechanics and Astronomy.

They said the study is expected to play a crucial role in the future stability research of PSCs. (IANS)