The findings suggest Earth’s geological story was partly written in the stars – specifically, in the spiral arms of our home galaxy.
Articles on Oort cloud
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Comet Tsuchinshan-ATLAS is one of 2 comets from the Oort Cloud passing by Earth in October 2024.
It turns out that a common physical process called diffusion can explain the orbits of faraway minor planets – no need for a Planet Nine.
The search for new objects, including new planets, in our solar system has turned up some interesting finds. There have been a few failures over the years too.
A new, planet-like body has been found on the outer edges of the solar system. This object, called 2012VP113, is the second body of its class found since the identification of the dwarf planet Sedna in…
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Professor of Planetary Geosciences, The Open University
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Kevin Orrman-Rossiter is a Friend of The Conversation.
Sterrenkenner, History & Philosophy of Science, The University of Melbourne
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Senior Lecturer in Astronomy and Astrophysics, University of Kent
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Associate Professor in Archaeology and Space Studies, Flinders University
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Associate Professor in Planetary Astronomy, University of Canterbury
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Professor of Earth and Atmospheric Sciences, Georgia Institute of Technology
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Professor of Geochronology, Curtin University
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Senior Lecturer in Astrophysics, University of Lincoln