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Astronomy Dec 27, 2023

Tatahouine: 'Star Wars meteorite' sheds light on the early solar system

Locals watched in awe as a fireball exploded and hundreds of meteorite fragments rained down on the city of Tatahouine, Tunisia, on June 27, 1931. Fittingly, the city later became a major filming location for the Star Wars ...

Planetary Sciences Dec 21, 2023

Analysis finds that organic compounds in asteroids likely formed in colder regions of space

Analysis of organic compounds—called polycyclic aromatic hydrocarbons (PAHs)—extracted from the Ryugu asteroid and Murchison meteorite has found that certain PAHs likely formed in the cold areas of space between stars ...

Planetary Sciences Dec 13, 2023

Possible first ever synchrotron-based analysis of asteroid Bennu to be performed

After an amazing journey, a grain from the asteroid Bennu will be brought to Diamond Light Source, the UK's national synchrotron, for scientific measurements. The grain is from 100 milligrams of sample sent to the Natual ...

Planetary Sciences Dec 11, 2023

Ryugu samples illuminate terrestrial weathering effects on primitive meteorites

A study conducted by a team of international scientists has unveiled unprecedented insights into the nature of the asteroid Ryugu and shed light on the composition of water- and carbon-rich small bodies in the solar system. ...

Space Exploration Dec 9, 2023

The longstanding mystery of Mars' moons—and the mission that could solve it

The two small moons of Mars, Phobos (about 22km in diameter) and Deimos (about 13km in diameter), have been puzzling scientists for decades, with their origin remaining a matter of debate. Some have proposed that they may ...

Astrobiology Dec 7, 2023

Earth may have had all the elements needed for life—contrary to theories that they came from meteorites

For many years, scientists have predicted that many of the elements that are crucial ingredients for life, like sulfur and nitrogen, first came to Earth when asteroid-type objects carrying them crashed into our planet's surface.

Planetary Sciences Dec 1, 2023

Meteorites likely source of nitrogen for early Earth, Ryugu samples study finds

Micrometeorites originating from icy celestial bodies in the outer solar system may be responsible for transporting nitrogen to the near-Earth region in the early days of our solar system. That discovery was published in ...

Astrobiology Nov 29, 2023

Building blocks for life could have formed near new stars and planets

While life on Earth is relatively new, geologically speaking, the ingredients that combined to form it might be much older than once thought. According to research published in ACS Central Science, the simplest amino acid, ...

Planetary Sciences Nov 28, 2023

Research team describes the composition of asteroid Phaethon

Asteroid Phaethon, which is five kilometers in diameter, has been puzzling researchers for a long time. A comet-like tail is visible for a few days when the asteroid passes closest to the sun during its orbit.

Earth Sciences Nov 27, 2023

More than a meteorite: New clues about the demise of dinosaurs

What wiped out the dinosaurs? A meteorite plummeting to Earth is only part of the story, a new study suggests. Climate change triggered by massive volcanic eruptions may have ultimately set the stage for the dinosaur extinction, ...

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