Daily Archives: April 2, 2019

A Moon Above the Rest: Jupiter’s Moon Ganymede

Galileo Galilei discovered many “luminous objects” in 1610 that were orbiting Jupiter. Thought to be stars, it was discovered that they were moons: Io, Europa, Ganymede and Callisto. Ganymede is the largest moon in the Solar System and is even larger than the planet Mercury. It is the only satellite in the Solar System known to possess a … Continue reading A Moon Above the Rest: Jupiter’s Moon Ganymede Continue reading

Posted in Class, General, Jovians, Moons, Observables | Tagged , , | Comments Off on A Moon Above the Rest: Jupiter’s Moon Ganymede

Asteroid Defense Systems

As it currently stands, Earth has no recourse if a large asteroid decides to strike. Something on the scale of the Cretaceous-Paleogene event would devastate humanity. So, how do we protect ourselves against such an impact? Enter NASA and the “National Near-Earth Object Preparedness and Strategy Plan.” According to them, five steps need to be … Continue reading Asteroid Defense Systems Continue reading

Posted in Physics, Public Policy, Small SS Objects | Tagged , , , | Comments Off on Asteroid Defense Systems