The Event Horizon Telescope (EHT) collaboration, who produced the first ever image of a black hole, has today revealed a new view of the massive object at the centre of the Messier 87 (M87) galaxy: how it looks in polarised light. This is the first time astronomers have been able to measure polarisation, a signature […]
Volcanologists do what they can to provide the public enough warning about impending eruptions, but volcanoes are notoriously unpredictable. Alerts are sometimes given with little time for people to react. That may soon change. Work led by research assistant professor Társilo Girona, with the University of Alaska Fairbanks Geophysical Institute, has revealed a method by […]
NASA’s Perseverance probe landed safely and on time on Mars, at 3:55 p.m. EST, Thursday, marking another success for the U.S. space agency. The nuclear-powered probe made its way through a harrowing landing process, deemed by some engineers as “seven minutes of terror” because it involves parachutes, powered descent and a “sky crane” that […]
On these quiet, still days, as winter plods on, Alaskans tend to notice any movement outside their windows, such as dancing power wires strung between poles. The answer as to why the wires bounce is in Neil Davis’s “Alaska Science Nuggets.” First, though, a refresher on that book — a compilation of 400 of these […]