Tuesday, September 17, 2019

See Saturn Moons' Orbital Dance in Hubble Time-Lapse

Comet Borisov May Be Insterstellar - Orbit Animation

Alien World K2-18b ‘May Be More Hostile’ Than Earth

Potentially Habitable Super-Earth Has Water Vapor in Atmosphere

Tethered Rocket Tests New Navigation System

Fire 'Designed' in Space for Soot Study

See Neptune in Sept. 2019 Skywatching