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Astronomy Jul 21, 2020

'Lost' world's rediscovery is step toward finding habitable planets

The rediscovery of a lost planet could pave the way for the detection of a world within the habitable "Goldilocks zone" in a distant solar system.

Space Exploration Jun 17, 2020

Study suggests bright patches on Titan are dry lake beds

A team of researchers affiliated with several institutions in the U.S. and one in France has found evidence that suggests the bright patches spotted on Titan's surface 20 years ago are dry lake beds. In their paper published ...

Astronomy Jun 16, 2020

Evidence for volcanic craters on Saturn's moon Titan

Volcano-like features seen in polar regions of Saturn's moon Titan by NASA's Cassini spacecraft could be evidence of explosive eruptions that may continue today, according to a new paper by Planetary Science Institute Senior ...

Astronomy Jun 9, 2020

Alternating flows and a high-latitude eastward jet explain Saturn's polar hexagon, researchers report

A pair of researchers at Harvard University has developed a computer simulation that may explain Saturn's mysterious polar hexagon. In their paper published in Proceedings of the National Academy of Sciences, Rakesh Yadav ...

Astronomy Jun 8, 2020

Titan is migrating away from Saturn 100 times faster than previously predicted

By Earthly standards, Saturn's moon Titan is a strange place. Larger than the planet Mercury, Titan is swaddled in a thick atmosphere (it is the only moon in the solar system to have one) and covered in rivers and seas of ...

Astronomy May 11, 2020

A multilayer haze system on Saturn's hexagon

A rich variety of meteorological phenomena takes place in the extensive hydrogen atmosphere of Saturn, a world about 10 times the size of the Earth. They help us to better understand similar features in the Earth's atmosphere. ...

Astronomy Apr 17, 2020

Dust devils may roam hydrocarbon dunes on Saturn's moon Titan

Meteorological conditions on Saturn's large moon Titan, the strange, distant world that may be the most Earth-like in the solar system, appear conducive to the formation of dust devils, according to new research in AGU's ...

Astronomy Apr 7, 2020

What makes Saturn's atmosphere so hot

The upper layers in the atmospheres of gas giants—Saturn, Jupiter, Uranus and Neptune—are hot, just like Earth's. But unlike Earth, the Sun is too far from these outer planets to account for the high temperatures. Their heat ...

Space Exploration Mar 26, 2020

Revisiting decades-old Voyager 2 data, scientists find one more secret about Uranus

Eight and a half years into its grand tour of the solar system, NASA's Voyager 2 spacecraft was ready for another encounter. It was Jan. 24, 1986, and soon it would meet the mysterious seventh planet, icy-cold Uranus.

Astronomy Mar 24, 2020

Solar system acquired current configuration not long after its formation

The hypothesis that the solar system originated from a gigantic cloud of gas and dust was first floated in the second half of the 18th century by German philosopher Immanuel Kant and further developed by French mathematician ...

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