Rocket Roundup for July 28, 2021

Rocket Roundup for July 28, 2021

For this week’s Rocket Roundup, we have exactly zero launches to cover. What’s up with that? In the meantime, we talk about Europa Clipper’s launch announcement, Blue Origin’s attempt to be a part of Artemis, what a NOTAM is, and how we use it. Plus, this week in rocket history, we look back at the launch of the Chandra X-ray Observatory.

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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.

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