Related topics: earth · stars · planets · solar system

Scientist proposes new definition of a planet

Pluto hogs the spotlight in the continuing scientific debate over what is and what is not a planet, but a less conspicuous argument rages on about the planetary status of massive objects outside our solar system. The dispute ...

Mars and Earth may not have been early neighbors

A study published in the journal Earth and Planetary Science Letters posits that Mars formed in what today is the Asteroid Belt, roughly one and a half times as far from the sun as its current position, before migrating to ...

'Monster' planet discovery challenges formation theory

A giant planet, which should not exist according to planet formation theory, has been discovered around a distant star. The new research is presented in a paper recently accepted for publication in the journal Monthly Notices ...

Star formation influenced by local environmental conditions

Three scientists at Niels Bohr Institute (NBI), University of Copenhagen, have carried out extensive computer simulations related to star formation. They conclude that the present idealized models are lacking when it comes ...

Evidence discovered for two distinct giant planet populations

In a paper published in Astronomy & Astrophysics, a team of researchers from the Instituto de Astrofísica e Ciências do Espaço (IA3) discovered observational evidence for the existence of two distinct populations of giant ...

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