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Space Exploration Jan 21, 2021

Oldest carbonates in the solar system

A meteorite that fell in northern Germany in 2019 contains carbonates which are among the oldest in the solar system; it also evidences the earliest presence of liquid water on a minor planet. The high-resolution Ion Probeā€”a ...

Materials Science Jan 18, 2021

Interstellar chemistry: low-temperature gas-phase formation of indene in the interstellar medium

The interstellar medium and combustion systems contain polycyclic aromatic hydrocarbons (PAHs) as fundamental molecular building blocks that form fullerenes and carbonaceous nanostructures. However, researchers have yet to ...

Astronomy Jan 12, 2021

Reconstructing the solar system's original architecture

As the solar system was developing, the giant planets (Jupiter and Saturn) formed very early, and as they grew, they migrated both closer to and further away from the sun to stay in gravitationally stable orbits.

Space Exploration Jan 8, 2021

Evidence of water movement found in meteorites that only recently fell to Earth

A team of researchers affiliated with institutions in Australia, the U.S. and France has found evidence of relatively recent water movement in meteorites that only recently collided with the Earth. In their paper published ...

Astronomy Jan 5, 2021

Remote sensing data sheds light on when and how asteroid Ryugu lost its water

Last month, Japan's Hayabusa2 mission brought home a cache of rocks collected from a near-Earth asteroid called Ryugu. While analysis of those returned samples is just getting underway, researchers are using data from the ...

Astronomy Dec 21, 2020

Study finds meteoric evidence for a previously unknown asteroid

A Southwest Research Institute-led team of scientists has identified a potentially new meteorite parent asteroid by studying a small shard of a meteorite that arrived on Earth a dozen years ago. The composition of a piece ...

Materials Science Dec 10, 2020

Scientists look to meteorites for inspiration to achieve critical element-free magnet

The U.S. Department of Energy's (DOE's) Critical Materials Institute has developed a low-cost, high performance permanent magnet by drawing inspiration from an out-of-this-world source: iron-nickel alloys in meteorites. The ...

Space Exploration Dec 9, 2020

5 hidden gems are riding aboard NASA's Perseverance rover

More than halfway to the Red Planet, NASA's Perseverance Mars rover isn't just shuttling sophisticated science instruments and tubes to be filled with Earth-bound rock samples. It's carrying symbols, mottos, and objects that ...

Analytical Chemistry Dec 7, 2020

Key building block for organic molecules discovered in meteorites

Scientists from Japan and the U.S. have confirmed the presence in meteorites of a key organic molecule which may have been used to build other organic molecules, including some used by life. The discovery validates theories ...

Space Exploration Dec 6, 2020

Japan's capsule with asteroid samples retrieved in Australia

A Japanese capsule carrying the world's first asteroid subsurface samples shot across the night atmosphere early Sunday before landing in the remote Australian Outback, completing a mission to provide clues to the origin ...

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