Progression Levels: What They Are and How to Use Them

When it comes to measuring ability, your Functional Threshold Power doesn’t tell the whole story. In fact, your power-based abilities are a lot more dynamic than you may realize. That’s where Progression Levels come in—Progression Levels are a real-time measurement of your power-based abilities in each power zone. You can […]

Catch the ‘Rosetta’ comet’s return

Comet 67P/Churyumov–Gerasimenko, visited by the European Space Agency’s Rosetta probe, is well placed for observation now; indeed, it’s been under constant scrutiny by amateur astronomers since late spring, when it shone feebly at nineteenth-magnitude in the pre-dawn sky from the UK.