Retired star found with planets and debris disc

(Phys.org) —ESA's Herschel space observatory has provided the first images of a dust belt – produced by colliding comets or asteroids – orbiting a subgiant star known to host a planetary system. The team of scientists ...

Oldest objects in solar system indicate a turbulent beginning

(PhysOrg.com) -- Scientists have found that calcium, aluminum-rich inclusions (CAIs), some of the oldest objects in the solar system, formed far away from our sun and then later fell back into the mid-plane of the solar system.

Central star in a planetary nebula reveals details of its life

Stars like our sun end their lives as white dwarfs. Some of them are surrounded by a planetary nebula consisting of gas ejected by the dying star shortly before its death. An international research team led by Professor Klaus ...

Hubble sees boulders escaping from asteroid Dimorphos

Wayward asteroids present a real collision hazard to Earth. Scientists estimate that an asteroid measuring several miles across smashed into Earth 65 million years ago and wiped out the dinosaurs, among other forms of life, ...

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