Related topics: earth · stars · planets · solar system

Martian meteorite upsets planet formation theory

A new study of an old meteorite contradicts current thinking about how rocky planets like the Earth and Mars acquire volatile elements such as hydrogen, carbon, oxygen, nitrogen and noble gases as they form. The work is published ...

Even stars doomed to die as supernovae can have planets

Ninety percent of all exoplanets discovered to date (there are now more than 5,000 of them) orbit around stars the same size or smaller than our sun. Giant stars seem to lack planetary companions, and this fact has serious ...

Webb telescope's cool view on how stars, planets form

The ongoing success of the multi-instrument optics alignment for NASA's Webb telescope's near-infrared instruments has moved the attention of the commissioning team to chill as we carefully monitor the cooling of the Mid-InfraRed ...

Even dying stars can still give birth to planets

Planets are usually not much older than the stars around which they revolve. Take the sun: It was born 4.6 billion years ago, and not long after that, Earth developed. But KU Leuven astronomers have discovered that a completely ...

Earth and Venus grew up as rambunctious planets

What doesn't stick comes around: Using machine learning and simulations of giant impacts, researchers at the Lunar and Planetary Laboratory found that the planets residing in the inner solar systems were likely born from ...

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