Beyond Neptune, It Sure Is Crowded With Icy Objects
Faster than you can say “trans-Neptunian object” three times, the reaches beyond Neptune’s orbit start to fill out in this animation. And it’s astounding. Dots representing icy bodies large and small fill the area. What’s more sobering is realizing how little we knew about this region 20 years ago. Pluto was the first object in…
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Elizabeth Howell – Universe Today
Scientists calculate Neptune’s spin time
When it come to making your head spin, Jupiter revolves on its axis in less than 10 hours. Up until now, it was the only gas planet in our solar system that had an accurate spin measurement. But grab your top and cut it loose, because University of Arizona planetary scientist Erich Karkoschka has clocked…
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Tammy Plotner - Universe Today