Week in Geek - Mirror, mirror

Week in Geek - Mirror, mirror

Technicians and scientists check out one of the Webb telescope’s first two flight mirrors in the clean room at NASA’s Goddard Space Flight Center in Greenbelt, MD. Credit: NASA/Chris Gunn

My weekly post for The Rachel Maddow Show.

Week in Geek - Mirror, mirror edition

This week NASA’s James Webb Space Telescope (JWST) passed a major milestone - the complete assembly of its primary mirror. No small feat when that mirror is comprised of 18 hexagonal sections which, when put together, measure over 21 feet in diameter. In fact, each segment is about the size of a coffee table and weighs over 80 pounds!

Also features: chins, selfie-related fatalities, eagles trained to attack drones, and Paul Rudd.

Read the full article here

NBC News - What are gravitational waves?

NBC News - What are gravitational waves?

Astronomy on Tap - Cosmos

Astronomy on Tap - Cosmos