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Space Exploration May 31, 2023

One spacecraft could visit all of Saturn's inner large moons

If you've ever played Kerbal Space Program, you know how difficult it can be to get your spacecraft into the orbit you want. It's even more difficult in real life. This is why it's pretty impressive to see a proposal to study ...

Astronomy May 30, 2023

Webb telescope finds towering plume of water escaping from one of Saturn's moons

Two Southwest Research Institute scientists were part of a James Webb Space Telescope (JWST) team that observed a towering plume of water vapor more than 6,000 miles long—roughly the distance from the U.S. to Japan—spewing ...

Astronomy May 16, 2023

Saturn: We may finally know when the magnificent rings were formed

Saturn's rings are one of the jewels of the solar system, but it seems that their time is short and their existence fleeting.

Planetary Sciences May 16, 2023

What Cassini's 'grand finale' taught us about Saturn's interior

Six years ago the Cassini spacecraft, which had spent nearly two decades in orbit around Saturn, finished its mission with a grand finale, plunging itself into the depths of Saturn's atmosphere. Those last few orbits and ...

Planetary Sciences May 16, 2023

Researchers announce 62 new moons of Saturn

The work of an international team of astronomers has resulted in the announcement of 62 new moons of Saturn, catapulting it back into first place of the "moon race" around the giant planets of our solar system.

Astronomy May 15, 2023

Saturn's rings younger than previously thought—just a few hundred million years

Saturn's rings are much younger than scientists once thought, according to new research from Indiana University Professor Emeritus of Astronomy Richard Durisen—and they are not here to stay.

Planetary Sciences May 12, 2023

New study puts a definitive age on Saturn's rings: They're really young

A new study led by physicist Sascha Kempf at the University of Colorado Boulder has delivered the strongest evidence yet that Saturn's rings are remarkably young—potentially answering a question that has boggled scientists ...

Planetary Sciences May 8, 2023

Bizarre exoplanet breaks all the orbital rules

In our solar system, the planetary orbits all have a similar orientation. Their orbital planes vary by a few degrees, but roughly the planets all orbit in the same direction. This invariable plane as it's known also has an ...

Astronomy Mar 30, 2023

Hubble finds Saturn's rings heating its atmosphere

The secret has been hiding in plain view for 40 years. But it took the insight of a veteran astronomer to pull it all together within a year, using observations of Saturn from NASA's Hubble Space Telescope and retired Cassini ...

Planetary Sciences Mar 27, 2023

James Webb Space Telescope confirms giant planet atmospheres vary widely

Gas giants orbiting our sun show a clear pattern; the more massive the planet, the lower the percentage of "heavy" elements (anything other than hydrogen and helium) in the planet's atmosphere. But out in the galaxy, the ...

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