The role of "planet traps" in solar system formation

A team from the Astrophysics, Instrumentation and Modelling laboratory at Paris-Saclay (AIM – CNRS/CEA/Université Paris Diderot) has developed a new model that represents the evolution of protoplanetary disks over millions ...

In the realm of eternal ice

On 6 November 2010, the light of the star known as NOMAD1 0856-0015072 in the Cetus constellation dimmed. What had happened? A dwarf planet at the edge of the solar system had moved in front of the distant star - its name: ...

Complex organic molecules discovered in infant star system

For the first time, astronomers have detected the presence of complex organic molecules, the building blocks of life, in a protoplanetary disk surrounding a young star, suggesting once again that the conditions that spawned ...

New clues from the dawn of the solar system

A research group in the UA Lunar and Planetary Laboratory has found evidence in meteorites that hint at the discovery of a previously unknown region within the swirling disk of dust and gas known as the protoplanetary disk ...

Water in the solar system predates the Sun

Water was crucial to the rise of life on Earth and is also important to evaluating the possibility of life on other planets. Identifying the original source of Earth's water is key to understanding how life-fostering environments ...

Solar eclipse to sweep across Australia, Pacific Islands

An annular eclipse of the Sun, when a ring of everyday Sun remains around the Moon's silhouette, will sweep across the Australian outback and into the Pacific Ocean on the morning of May 10, local time. Though about 95% of ...

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