Monday, 28 March 2022

Smash-Up: How To Create Rocky Planets


Major smashups between rocky bodies shaped our solar system. Observations of a similar crash give clues about how frequent these events are around other stars. via NASA https://ift.tt/OJskjWK

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Building on America’s 65-Year Legacy of Human Spaceflight

America’s first human spaceflight begins as the Mercury-Redstone 3 (MR-3) space vehicle, with astronaut Alan B. Shepard Jr. aboard, launches...