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solar system

number of breaks: 4

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Pluto orbits in elegant arrangement with the giant planets

Soon after Pluto was discovered in 1930, astronomers learned that its orbit overlaps Neptune's orbit and that it’s rather tilted, compared to the nearly common plane of the other planets. Propagating its orbit into the past and the future then revealed the surprising property... click to read more

Views 1308
Reading time 3 min
published on May 24, 2023
Cometary nitrogenous salts tell about the Solar System’s history

How did planets arise? How did the Earth become a unique planet with a habitable surface? A way to address these long-standing questions is to explore the "small bodies" of the Solar System. In addition to the planets and the satellites circuiting around them, our... click to read more

  • Olivier Poch | Researcher at Université Grenoble Alpes, CNRS, CNES, IPAG, 38000 Grenoble, France
Views 3057
Reading time 3.5 min
published on Jan 15, 2021
To See a World in a Grain of Interplanetary Dust

With each new spacecraft launch, we become more familiar with today's Solar System, from our nearest neighbor planets to those in cold and distant outer orbits, yet the details of how the Solar System formed and evolved to its present state remain a mystery. We... click to read more

  • Hope A. Ishii | Professor at Hawaii Institute of Geophysics and Planetology, University of Hawaii at Manoa, USA
Views 4188
Reading time 4 min
published on Mar 22, 2019
The first interstellar immigrant of the solar system

Our solar system did not form in isolation from the rest of the Galaxy. It was part of a star cluster where each member has its own planets and asteroids. The close proximity of the cluster members favored strong gravitational interactions that pulled asteroids and... click to read more

  • Fathi Namouni | Researcher at Observatoire de la Côte d’Azur, Université Côte d’Azur - Boulevard del’Observatoire, Nice Cedex 4, France
  • Helena Morais | Lecturer at Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista (UNESP), Rio Claro, Brazil
Views 3727
Reading time 4 min
published on Mar 1, 2019