Earth’s water may have come from materials that were present in the inner solar system at the time the planet formedinstead of far-reaching comets or asteroids delivering such water, according to a study.

Researchers, including those from the Universite de Lorraine in France, determined that a type of meteorite called enstatite chondrite contains sufficient hydrogen to deliver at least three times the amount of water contained in the Earth’s oceans.

The scientists noted that enstatite chondrites are entirely composed of material from the inner solar systemessentially the same stuff that made up the Earth originally.

Our discovery shows that the Earth’s building blocks might have significantly contributed to the Earth’s water,” said Laurette Piani, lead author of the study published in the journal Science.

Hydrogen-bearing material was present in the inner solar system at the time of the rocky planet formation, even though the temperatures were too high for water to condense,” Piani said.

The findings are surprising because the Earth’s building blocks are often presumed to be dry, the researchers said.

These blocks come from inner zones of the solar system where temperatures would have been too high for water to condense and come together with other solids during planet formation, they said.

The meteorites provide a clue that water didn’t have to come from far away, according to the researchers.

“The most interesting part of the discovery for me is that enstatite chondrites, which were believed to be almost ‘dry,’ contain an unexpectedly high abundance of water,” said Lionel Vacher, a postdoctoral researcher at Washington University in the US.

Vacher prepared some of the enstatite chondrites in this study for water analysis while he was completing his PhD at Universite de Lorraine

Enstatite chondrites are rare, making up only about 2 per cent of known meteorites in collections, the researchers said.

According to the researchers, enstatite chondrites have similar oxygen, titanium and calcium isotopes as Earth, and their study showed that their hydrogen and nitrogen isotopes are similar to Earth’s, too.

Click here to read the Mint is now on Telegram. Join Livemint channel in your Telegram and stay updated

You are now subscribed to our newsletters. In case you can’t find any email from our side, please check the spam folder.


World news – US – Earth may have been wet ever since it formed: Study

Building on its expertise in the areas of digital, technologies and processes , CSS Engineering you in your most ambitious transformation projects and helps you bring out new ideas, new offers, new modes of collaboration, new ways of producing and selling.

CSS Engineering is involved in projects each customer as if it were his own. We believe a consulting company should be more than an advisor. We put ourselves in the place of our customers, to align we incentives to their goals, and collaborate to unlock the full potential their business. This establishes deep relationships and enjoyable.

Our services:

  1. Create professional websites
  2. Hosting high performance and unlimited
  3. Sale and video surveillance cameras installation
  4. Sale and Installation of security system and alarm
  5. E-Marketing

All our achievements here


Please enter your comment!
Please enter your name here