Tech that just got out.Explained so a 12-year-old gets it, checked against the original paper, then turned into business ideas you can test this week.
Topic
Business Ideas/Space tech/United Kingdom
Nine of 16 real satellite fleets sit above the size at which their own wreckage keeps growing. Insurers and small operators need that answer on one page, and nobody is selling it to them.
Research Radar/Space tech/United Kingdom
A model of 16 real satellite fleets found nine of them exceed the size at which their own wreckage keeps growing. Six of those nine cross the worst line, the runaway one.
Research Radar/Space tech/Germany · USA
In a computer model, 24 shoebox satellites stuck to a dead 668 kg craft turned it 180 degrees in 1,228 seconds. The worst pointing error was 0.6 degrees.
Space debris is the rubbish left in orbit, from dead satellites down to flecks of paint. This page explains where it comes from, why speed makes it deadly, and how it is tracked and cleared.
Satellite internet reaches places cables do not. Here is how the signal travels, why the height of the orbit decides the delay, and what to check before you pay for a dish.
Low Earth orbit is the crowded band of space a few hundred kilometres above your head. This page covers how it works, what it is good and bad at, and how to spot a satellite tonight.