NASA’s Oct. 28 Astronomy Picture of the Day features a video of Ganymede briefly passing in front of Io, a rare alignment of Jupiter’s moons.
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APOD: 2026 October 28 – The Mutual Occultation Of Ganymede And Io
15 Best Educational Halloween Books for Kids in 2027
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How A Johnson Mentor Shapes The Next Generation Of NASA Talent
NASA intern Malvika Bhardwaj is building analysis tools for the ISS deorbit vehicle while learning from Johnson engineer Daniel Cohen.
Diamond Transistor
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Student Study Desk Organization Checklist 2026
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2026 October 26 – M42: The Great Nebula In Orion
NASA’s October 26 Astronomy Picture of the Day presents a deep, assigned-color view of M42, a nearby star-forming region about 1,500 light-years away.
Your Book Review: The Ghost In My Brain
An anonymous ACX contest review discusses Clark Elliott’s concussion memoir, its account of lasting impairment and its claims about treatment.
12 Best Dissectible Human Anatomy Models for Learning in 2027
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APOD: 2026 October 25 – Dark Matter In A Simulated Universe
NASA’s Oct. 25 Astronomy Picture of the Day features a simulation of dark matter filaments and sparse clumps of ordinary matter.
