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Topic Summary

Posted by sakunthala
 - Jul 19, 2015, 12:18 AM
this infm gives more useful for solar system
this can be able in stopwatch aluminium in solar
Posted by jayanthi mandhalapu
 - Aug 27, 2009, 12:10 PM
A team of scientists has described that aluminium radioisotopes have the potential to give accurate measures of time for events 4.5 billion years ago. They have named the isotopes as 'stopwatch for the solar system'.

A study has revealed that the rate of decay of isotopes can give accurate measures of time of that period. This has been reported by BBC news.

It is being expected that this new study will give new insight into the first five million years of solar system and the changes it underwent.

The scientists showed how aluminium radioisotopes were uniformly distributed in the region where the Solar System was formed.

The steady decay of isotopes across the early Solar System can be used as a type of clock for that period.

Johan Villeneuve, one of the scientists involved in the study said, "We can now use the isotopes to measure the age of different chondrules, parts of meteorites, and understand far more about the early part of our Solar System."

The findings will also give an insight into the origins of the planets.

Philip Bland, from Imperial College London, praised the research as "a really nice study".

He said, "With their high precision measurements, they are able to date formation times for chondrules very precisely."

"And what is interesting is that they've shown that these building blocks for asteroids, and possibly for planets as well, formed over an extended period of two to three million years."
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