Impact Gardening Churns Surface of Saturn’s Moon Europa

Impact Gardening Churns Surface of Saturn’s Moon Europa

Over tens of millions of years, the surface of Europa has been churned by impacts down to an average depth of 30 centimeters. This churning means that the search for chemical biosignatures must look below that zone. Plus, methane and icequakes at Enceladus, predicting underwater eruptions, Virgin Galactic’s flight, and a Chinese spacewalk.

Play
Rocket Roundup for June 23, 2021

Rocket Roundup for June 23, 2021

On this week’s Rocket Roundup, the Chinese send a crewed mission to their new space station, SpaceX launches a new GPS satellite, China adds to their Yaogan satellite constellation, and Japan yeets a CubeSat from the International Space Station on behalf of Mauritius. Plus, this week in rocket history, we look back at the Soviet Salyut 3.

Play