Dr. Lindy Elkins-Tanton, Space Sciences Laboratory at the University of California, Berkeley, Apr. 8, 2026. The NASA Psyche mission is on its way to orbit a small but immensely ancient world in our asteroid belt: A metallic object, the first humans will ever have visited. When our solar system was in its infancy, thousands of planetesimals (tiny planet-like objects) formed in less than a million years. Many planetesimals later melted, allowing metal cores to form inside rocky mantles. One of ...
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Pictures of Distant Worlds
Dark Energy in the Universe and the Largest Telescope Ever
The Search for Life on Saturn’s Intriguing Moon Enceladus
The Amazing Vera Rubin Observatory and Its Movie of the Sky
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