Hugh Lewis, Discover and Read the Best of Twitter Threads by @ProfHughLewis

It is possible to estimate re-entry risk even if no detailed spacecraft/rocket stage breakup analysis is available. E.g., one may assume that any surviving fragments are dispersed in a rectangular

Here's a thread of today's talk at the European Conference on #SpaceDebris:Title: The use of stress tests to evaluate space debris mitigation measures. My co-authors were Emily Wymer and Tara

I am seeing some ill-informed takes on today's near-miss in orbit so would like to offer some trajectory corrections if I may. Firstly, the chance that a single collision would

In 2019 I presented a paper at the 1st International Orbital Debris Conference looking at implications of relocating satellites of a large constellation from high LEO altitudes to low LEO

Without wishing to subtweet anyone, I am seeing much discussion of #LongCovid & similarities (or not) with #MECFS. I can only speak of my lived experience with the latter &

I saw this earlier today & it reminded me of the difficulty I faced, 10 years ago, when confronted with an illness that never ended. Here's a short thread on