Outer solar system

  • A new moon has been discovered circling the planet Neptune using data from the Hubble Space Telescope.
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  • New Horizons has viewed Pluto's moon Charon for the first time using it's high-resolution camera. Though the spacecraft is still 550 million miles from Pluto, the achievement marks the beginning of its long-range study of the Pluto system.
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  • After thirty-five years of traveling, the Voyager 1 spacecraft appears to have left the heliosphere.
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  • Scientists have put out a call to the public to name two newly discovered moons of Pluto, currently dubbed 'P4' and 'P5.'
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  • NASA’s Voyager 1 spacecraft has entered a new region at the far reaches of our solar system that scientists feel is the final area the spacecraft has to cross before reaching interstellar space.
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  • New observations of the dwarf planet Makemake indicate that, unlike Pluto, the distant world does not have an atmosphere
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  • Using a new technique, astronomers are bringing Uranus into sharp focus. New observations are revealing incredible details about the bizarre weather on our solar system's seventh planet.
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  • As New Horizons travels toward Pluto, the science team has become increasingly aware that dangerous debris might be orbiting in the Pluto system. The spacecraft will have to navigate safely through the material in order to make its scientific observations of Pluto and the Kuiper
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  • Pluto and Charon were recently captured in high-resolution images with a ground-based telescope using a method called reconstructive speckle imaging. The images show how useful this method could be in the search for extrasolar planets.
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  • Neptune’s largest moon Triton is most likely a captured Kuiper Belt Object. The capture of icy Triton and the subsequent taming of its orbit likely led to the formation of a subsurface ocean through tidal heating. New research suggests that this ocean could still exist
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