Current Event December 14, 2017
Whether you’re on a plane or an astronaut in space, you can see cities around the world lit up at night. The amount of lighting increases every year and has affected wildlife and how we view the night sky. This is known as light pollution, and there’s probably more than we are aware. The way we measure light pollution does not pick up on LED lighting making the light not trackable to scientists. Listen to learn where the most and least light pollution is and why it should be considered a problem.
Science Middle School
Thirty years ago, the nation watched in shock as the space shuttle Challenger exploded soon after take off, tragically killing all seven crew members, including a civilian teacher. This shuttle had launched and landed successfully nine times before this tenth launch. One of the rocket engineers feels partially responsible to this day. In a recent interview, he explains that he and his colleagues had anticipated the failure, and had warned officials that conditions weren’t right for the launch. When NASA ignored their warnings, the consequences were fatal. Listen to hear more from a NASA engineer’s perspective on this tragic event.