NASA approves Space Launch System. This is good, despite the problems.

We seem to be getting closer to deep space missions: NASA approves Space Launch System, the most powerful rocket ever, for deep-space travel. NASA gave the go-ahead to start full production on the most powerful rocket ever. The rocket, known as Space Launch System, is set to blast beyond low-Earth orbit this decade to explore the … Continue reading NASA approves Space Launch System. This is good, despite the problems.

The hard working but unloved multi-stage rocket

If you've ever read about rocket technology, particularly the issues involved in how much fuel is needed to get somewhere, you quickly run into a stark reality.  The payload, the part of the rocket that you want to get somewhere, is inevitably a tiny portion of the size and weight of the rocket. The rest … Continue reading The hard working but unloved multi-stage rocket