Educational insights into Near-Earth Asteroids (Apophis, Bennu), impact kinetic modeling, NASA DART deflection, and dinosaur extinction geophysics. (10 Articles)
On April 13, 2029, Asteroid 99942 Apophis will fly within 31,600 km of Earth—closer than geostationary satellites. Physics of gravitational tidal forces and visual observing guide.
Read Article → 📅 2026-08-2966 million years ago, a 10km asteroid struck Mexico's Yucatan Peninsula. Energy release of 100 teratons of TNT, impact winter, global wildfires, and the demise of the dinosaurs.
Read Article → 📅 2026-08-29In Sept 2022, NASA slammed the DART spacecraft into Dimorphos at 22,500 km/h, altering its orbital period by 33 minutes. Momentum enhancement physics and planetary defense technology.
Read Article → 📅 2026-08-29The 0–10 public Torino Scale and the logarithmic Palermo Technical Scale. Understanding how astronomers calculate collision probabilities and kinetic hazard indices.
Read Article → 📅 2026-08-29Semi-major axis, eccentricity, inclination, node longitude, perihelion argument, and mean anomaly. Solving Kepler's equation for real-time 3D simulation.
Read Article → 📅 2026-08-291908 Tunguska (15 Mt) and 2013 Chelyabinsk (500 kt). How high-altitude meteor detonations create destructive shockwaves without leaving impact craters.
Read Article → 📅 2026-08-29Platinum, rare earths, and water for propellant. Metal asteroid 16 Psyche's estimated $10,000 quadrillion valuation and orbital refining tech.
Read Article → 📅 2026-08-29NASA's OSIRIS-REx returned 250 grams of Bennu samples in 2023. Discovery of carbon, amino acids, hydrated minerals, and refined 2182 impact probabilities.
Read Article → 📅 2026-08-29Atiras, Atens, Apollos, and Amors. MOID < 0.05 AU and H <= 22.0 threshold for Potentially Hazardous Asteroids (PHAs), and sky survey networks.
Read Article → 📅 2026-08-29Contact and compression, excavation, and modification phases. The Schmidt-Holsapple scaling equation mapping projectile mass and kinetic energy to crater dimensions.
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