It’s hard to believe that the Challenger disaster happened 30 years ago today. I was in seventh grade at the time, and learned of it in school. First, the announcement over the PA system, then the remainder of the school day was spent watching the coverage on …
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4Astronomy is a search engine built for people who look up. We combine multiple indexes, curated astronomy sources, and AI systems to return results tailored to astronomy topics. Use 4Astronomy to find observing guides, research papers, image archives, mission information, community resources, and products relevant to amateur and professional astronomy.
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Conference Room & Outdoor Collaboration Space Reservations PMA COVID-19 Updates & Announcements Conference Room & Outdoor Collaboration Space Reservations PMA COVID-19 Updates & Announcements Conference Room & Outdoor Collaboration Space Reservations PMA COVID…
An open source textbook on applied electromagnetic geophysics. Aimed at providing background and physical understanding for steady state Maxwell equations as they apply to geoscience problems.