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How was Earth formed? New Research reveals exciting answers regarding similar chemical origin in Earth and Planetary Objects

In 2005, a small variation in 142Nd was detected between chondrites, which are stony meteorites, considered essential building blocks of the Earth and terrestrial rocks

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  • Neodymium-142 (142Nd) is one of seven isotopes found in the chemical element neodymium which may explain the origin of Earth and Solar system
  • In 2005, the small variation in 142Nd was detected between chondrites, which are stony Meteorite
  • These results were widely interpreted as an early differentiation of the interior of the Earth and these chondrites within the first 30 million years of its history

Ontario, September 15, 2016: Neodymium-142 (142Nd) is one of seven isotopes found in the chemical element neodymium which is widely distributed in the Earth’s crust and most commonly used for magnets in commercial products like microphones and in-ear headphones.

These results were widely interpreted as an early differentiation of the interior of the Earth (including the crust and mantle) and these chondrites within the first 30 million years of its history.

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The new results published in the journal Nature from Bouvier and Boyet showed that these differences in 142Nd were in fact already present during the growth of Earth and not introduced later, as was previously believed.

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In 2005, a small variation in 142Nd was detected between chondrites, which are stony meteorites, considered essential building blocks of the Earth and terrestrial rocks.

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“How the Earth was formed and what type of planetary materials were part of that formation are issues that have puzzled generations of scientists. And these new isotopic measurements of meteorites provide exciting answers to these questions about our origins and what made the Earth so special,” said Audrey Bouvier, Cosmochemist at the Western University. (IANS)

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  • Enakshi

    While everyone is busy making this planet come to an end
    Its really nice to read how Earth came into existence.

  • Anubhuti Gupta

    Tracing our origins is indeed a very curious and important subject.

  • Manthra koliyer

    Mother Earth has given us lots and we should preserve it.

  • Arya Sharan

    Knowing about the origin and reason of Earth’s existence is a great thing to know.

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India Is Developing Technologies To Launch Manned Mission

The state-run ISRO’s technology demonstrator is the first in a series of tests to qualify as a crew escape system, critical for a manned mission.

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India’s dream to put a man in space
India’s dream to put a man in space. Pixabay

India is developing critical technologies for launching manned missions in space and preparing a document on it, a top official said on Saturday.

“Critical technologies are being developed for our human space programme as it is India’s dream to put a man in space. A mission document is in the making,” Indian Space Research Organisation (ISRO) Chairman K. Sivan told the media at an aerospace event here.

Citing the space agency’s successful maiden unmanned pad abort test on Thursday at its Sriharikota spaceport in Andhra Pradesh for the safe escape of the crew in an emergency, Sivan said that very complex technology was used for the trial, with a unique motor for fast-burning.

“The technology is very essential for our manned missions in the future, as the motor’s performance was very good. Using aerodynamics, the module was turned in a favourable direction to open the parachutes,” he said.

The state-run ISRO’s technology demonstrator is the first in a series of tests to qualify as a crew escape system, critical for a manned mission.

“We are only in the preparation stage. We need to develop much more. We are in the process of refining a document on the manned mission for review and interactions with stakeholders, including the Indian Air Force (IAF) and Hindustan Aeronautics Ltd (HAL),” said Sivan.

The crew escape system is an emergency escape measure designed to quickly pull the crew module along with the astronauts to a safe distance from the launch vehicle in the event of a launch abort.

The first pad abort test demonstrated the safe recovery of the crew module in case of any exigency at the launch pad,” ISRO said in a statement earlier.

Admitting that the scientists had to work on the next strategy for the manned mission testing, Sivan said ISRO’s work was two-pronged, with one on approved projects and the other for research and development (R&D).

The first pad abort test demonstrated the safe recovery of the crew module in case of any exigency at the launch pad,” ISRO said in a statement earlier.
The first pad abort test demonstrated the safe recovery of the crew module in case of any exigency at the launch pad,” ISRO said in a statement earlier. Flickr

“The pad abort test for the crew escape system is part of our R&D work,” he noted. The space agency also tested five new technologies during the pad abort test, as part of its strategy to develop long-term technologies.

“We and the government work on a three-year plan, with a seven-year strategy and a 15-year vision,” asserted Sivan.

Noting that space tourism would happen in the near future, the rocket scientist said it would take at least 15 years to develop the vehicle to go to space and return to the earth.

“We are not close to that. We need to work a lot towards achieving the dream of putting a man into space,” added Sivan.

After a five-hour countdown, the crew escape system lifted off with the 12.6 tonne simulated crew module from the spaceport and plunged into the sea (Bay of Bengal) 4 minutes and 19 seconds later with two parachutes, around 2.9 km away from Sriharikota, about 90km northeast of Chennai.

Also read: NASA Scientists Map Water on Moon Using India’s Chandrayaan-1 Spacecraft!

“The crew module soared 2.7 km altitude on thrust of its seven solid motors without exceeding the safe G (gravity) levels,” added the statement. (IANS)