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Saturn

‘Towering hexagon’ and auroras: Saturn’s north polar wonders

September 11, 2018September 11, 2018 by Paul Scott Anderson

Saturn’s north pole is an incredibly active place, data from NASA’s Cassini mission and the Hubble Space Telescope have shown, with its massive hexagonal weather …

Read More‘Towering hexagon’ and auroras: Saturn’s north polar wonders

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Reliving Cassini’s final moments: Engineers recreate spacecraft’s fatal plunge into Saturn’s atmosphere

October 18, 2017 by Paul Scott Anderson

It has been just over a month now since the Cassini spacecraft took its final plunge into Saturn’s atmosphere, ending an incredible mission of 13 …

Read MoreReliving Cassini’s final moments: Engineers recreate spacecraft’s fatal plunge into Saturn’s atmosphere

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‘All good things’: Cassini finishes its epic mission at Saturn in a blaze of glory

September 17, 2017 by Paul Scott Anderson

The moment that many people have been waiting for – albeit with great sadness – has finally arrived, with the Cassini spacecraft ending its mission …

Read More‘All good things’: Cassini finishes its epic mission at Saturn in a blaze of glory

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‘The last hurrah’: Cassini prepares for fiery end of mission in one week

September 10, 2017 by Paul Scott Anderson

The end is nigh. Those really are not the words that scientists and fans of the Cassini mission at Saturn want to hear, but it’s …

Read More‘The last hurrah’: Cassini prepares for fiery end of mission in one week

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Image Gallery: Sweeping view across Saturn’s rings

August 26, 2017August 18, 2017 by Paul Scott Anderson

This is actually from 2009, but was just posted again on Facebook and is a stunning view across Saturn’s rings as seen by the Cassini …

Read MoreImage Gallery: Sweeping view across Saturn’s rings

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About Planetaria

About Planetaria



Pluto backlit by the Sun, as seen by New Horizons in 2015

Planetaria (formerly The Meridiani Journal) is a chronicle of planetary exploration, both in our own Solar System and beyond. Many continuing discoveries, such as the geysers of Enceladus, the subsurface ocean of Europa, the methane rivers, lakes and seas of Titan, the mountains and glaciers of Pluto, the cold but beautiful deserts of Mars and the thousands of exoplanets orbiting other stars make this an exciting time of exploration and discovery.

I publish Planetaria as a personal blog, a complement to my other freelance space writing for EarthSky and AmericaSpace.

- Paul Scott Anderson

Exoplanet Count

Exoplanet Count

Current Confirmed: 3,946
Current Candidates: 3,520
Potentially Habitable: 49

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