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Mars

High-res view of Mars 2020 landing site: Jezero Crater

April 29, 2019December 15, 2018 by Paul Scott Anderson

In 2020, the next Mars rover will be launched by NASA, the Mars 2020 mission, which will search for evidence of ancient life. The rover …

Read MoreHigh-res view of Mars 2020 landing site: Jezero Crater

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InSight’s first images from Mars!

April 29, 2019November 28, 2018 by Paul Scott Anderson

NASA’s InSight spacecraft has sent back its first images after successfully landing on Mars on November 26. The first one shows a view of the …

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Origami-inspired habitats for the Moon and Mars

October 8, 2018 by Paul Scott Anderson

Human habitation of the Moon and Mars might still seem like a far-off dream, but visionaries are already taking incremental steps toward that goal. One …

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Pink lagoon provides clues to possible Mars life

October 3, 2018 by Paul Scott Anderson

Is there – or has there – been life on Mars? We still don’t conclusively know the answer to that question, but scientists keep finding …

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Subsurface lake discovered on Mars?

July 30, 2018 by Paul Scott Anderson

Water on Mars! Again! Doesn’t it seem like every year or two, we hear about some new water-related finding on the red planet? So far, …

Read MoreSubsurface lake discovered on Mars?

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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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