Scientists find the oldest solid material ever discovered
5 years, 2 months ago

Scientists find the oldest solid material ever discovered

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy Scientists have found the oldest solid material ever discovered – a piece of stardust that formed some seven billion years ago. "These are the oldest solid materials ever found, and they tell us about how stars formed in our galaxy." "Our hypothesis is that the majority of those grains, which are 4.6 to 4.9 billion years old, formed in an episode of enhanced star formation. Scientists also found that presolar grains often float through space stuck together in large clusters like "granola", something that had not previously been thought possible on that scale.

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Scientists have have discovered the oldest meteorite impact crater on Earth, in the very heart of the Pilbara region of Western Australia.
3 days ago

Scientists have have discovered the oldest meteorite impact crater on Earth, in the very heart of the Pilbara region of Western Australia.

The Hindu  

We have discovered the oldest meteorite impact crater on Earth, in the very heart of the Pilbara region of Western Australia. The crater formed more than 3.5 billion years ago, making it the oldest known by more than a billion years. The very first rocks The oldest rocks on Earth formed more than 3 billion years ago, and are found …

Older than Planet Earth: 100-kg meteor, dating back to 4.6 billion years, unveils secrets of our solar system
2 months, 1 week ago

Older than Planet Earth: 100-kg meteor, dating back to 4.6 billion years, unveils secrets of our solar system

Live Mint  

Two months after Neil Armstrong’s 1969 Moon landing, a meteor burst into the atmosphere, shattered, and scattered over 35 square kilometres in Australia. This stony meteorite, weighing around 100 kg in total, broke apart upon entering Earth’s atmosphere. The meteorite contains “pre-solar grains”, tiny crystals formed in stars before the Sun and Earth came into existence. These grains, including micro-diamonds …

Oldest solid meteorite material found in Australia
5 years, 2 months ago

Oldest solid meteorite material found in Australia

India Today  

A meteorite that fell in Australia back in 1999 has the oldest solid meteorite material found on Earth till date, proved a recent study. Presolar grain on meteor were oldest ever discovered Presolar grains for this study were isolated from the Murchison meteorite for this study about 30 years ago at the University of Chicago. The researchers learned that some …

Scientists identify stardust - oldest material on Earth, contained inside meteorite
5 years, 2 months ago

Scientists identify stardust - oldest material on Earth, contained inside meteorite

India TV News  

Scientists on Monday revealed crucial information about a meteorite that had crashed into rural southeastern Australia in 1969. Giving out more details, the scientists said the meteorite contained the oldest material ever found on Earth - Stardust. According to the information, the town of Murchison in Victoria state witnessed the oldest of 40 tiny dust grains, that were trapped inside …

Astronomers find possibly the universe's oldest stars, formed by the Big Bang
6 years, 4 months ago

Astronomers find possibly the universe's oldest stars, formed by the Big Bang

Firstpost  

The star is believed to be up to 13.5 billion years old which is evidenced by its extremely low metal content. A team of astronomers have found what could be one of the universe’s oldest stars, almost entirely made of materials formed by the Big Bang. Residing in the same part of the Milky Way galaxy as our own solar …

The oldest meteorite ever found: 4.65m year old space rock could reveal secrets of our solar system
6 years, 7 months ago

The oldest meteorite ever found: 4.65m year old space rock could reveal secrets of our solar system

Daily Mail  

The oldest-ever dated meteorite is helping scientists unravel the mystery of how our solar system was formed. Researchers say it is from a 'a large, geologically complex body that formed in the early solar system' Utilizing oxygen isotopes done in collaboration with co-author Karen Ziegler of UNM's Center for Stable Isotope lab, the team was able to determine that it …

Rare element found in 'Curious Marie' meteorite can reveal clues about how the solar system formed and the date of planets
9 years ago

Rare element found in 'Curious Marie' meteorite can reveal clues about how the solar system formed and the date of planets

Daily Mail  

This puts end to 35 year long debate over whether it was there during formation of solar system Forget Curious George, it's all about Curious Marie. It is thought that curium became incorporated into the meteorite, or Curious Marie, when it condensed from the gaseous cloud that formed the sun early in the history of the solar system. 'The possible …

Earth's oldest crystal found in Australia › News in Science (ABC Science)
11 years, 1 month ago

Earth's oldest crystal found in Australia › News in Science (ABC Science)

ABC  

News in Science Earth's oldest crystal found in Australia Oldest piece Ancient zircon crystals discovered in Western Australia have been positively dated to 4.374 billion years, confirming their place as the oldest piece of Earth ever found, according to a new study. "That age is 300 million years older than the oldest previously dated age, and only 100 million years …

Tiny Iron Spheres Are Oldest Fossilized Space Dust
13 years, 10 months ago

Tiny Iron Spheres Are Oldest Fossilized Space Dust

Wired  

Japanese researchers have discovered the first micrometeorites known to land on Earth. No larger than droplets of fog, the spherical, iron-rich particles arrived 240 million years ago, 50 million years before the previous record-holding space dust. It’s amazing we find ones this old at all.” Geologist Tetsuji Onoue of Kagoshima University discovered the new specimens in ancient shale and chert …

Solar system is older than previously thought
14 years, 7 months ago

Solar system is older than previously thought

The Hindu  

A meteor discovered in the Saharan desert has indicated that the age of our solar system is much older than previously thought. Analyses of the meteorite indicate that the solar system is at least 0.3-1.9 million years older than some previous studies projected - making it 4.568 billion years old. The small difference means that the gas and dust that …

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