In this week’s Questions and Answers show, I explain the difference between the observable universe and the Hubble sphere, how satellite megaconstellations will affect smartphones and other consumer devices, and what impact... Read more »
SpaceX launched its 13th mission of the year Monday (Dec. 16) as a twice-flown Falcon 9 booster took to the skies for the third time carrying a satellite for a Singapore-based startup... Read more »
