News tagged with planetary formation

Meteorites reveal story of Martian climate

Liquid water is not stable on Mars' surface because the planet's atmosphere is too thin and temperatures are too cold. However, at one time Mars hosted a warm and wet surface environment that may have been conducive to life. ...

dateJan 10, 2018 in Space Exploration
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Dusty protoplanetary disks

Planetary systems form out of disks of gas and dust around young stars. How the formation proceeds, however, is complex and poorly understood. Many physical processes are involved including accretion onto the star, photoevaporation ...

dateDec 08, 2017 in Astronomy
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Stellar activity can mimic misaligned exoplanets

The occultation of stellar active regions during the planetary transit can lead to inaccurate estimates of the characteristics of these exoplanets, especially the spin-orbit tilt angle. This was the conclusion of simulations ...

dateSep 20, 2016 in Astronomy
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Massive planet gone rogue discovered

A massive rogue planet has been discovered in the Beta Pictoris moving group. The planet, called PSO J318.5338-22.8603 (Sorry, I didn't name it), is over eight times as massive as Jupiter. Because it's one of the few directly-imaged ...

dateFeb 12, 2016 in Astronomy
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Largest rocky world found

We thought we understood how big rocky planets can get. But most of our understanding of planetary formation and solar system development has come from direct observation of our own solar system. We simply couldn't see any ...

dateFeb 11, 2016 in Astronomy
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