Hacker News Reader

Travelling between orbital spacecraft is not as easy at it sounds.

Well the Russians used to do this when they had Salyut and Mir space stations.

As an example multi-space station mission: https://en.wikipedia.org/wiki/Soyuz_T-15

In general. But in specific cases it can be?

Here's some interesting commentary on the delta-v and the movie Gravity. https://www.rocketstem.org/2013/11/03/delta-v-gravity-situat...

Just considering the orbital heights, they fudged it a bit.

What makes it laughable is the inclination, the ISS is ~51 degrees and the Hubble is ~29.

That's something like a 3500m/s burn.