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Ryugu

We’ve got a landing site on asteroid Ryugu

August 29, 2018 by Paul Scott Anderson

Ever since the Japanese Hayabusa2 spacecraft arrived at asteroid Ryugu on June 27, 2018, mission controllers have been busy looking for an ideal landing site. …

Read MoreWe’ve got a landing site on asteroid Ryugu

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Japan’s Hayabusa 2 closes in on diamond-shaped asteroid Ryugu

June 26, 2018 by Paul Scott Anderson

Japan’s Hayabusa 2 spacecraft is now rapidly approaching asteroid Ryugu, providing the first-ever close-up views of this near-Earth object. According to The Mainichi, a news source …

Read MoreJapan’s Hayabusa 2 closes in on diamond-shaped asteroid Ryugu

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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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