01 November 2017
Voyager 1 spies unexpected light at the outer edges of the Solar System
... shows that the theoretical boundary where the Sun's solar wind is stopped by the local interstellar medium has a lot more hydrogen atoms in it than previously expected. Launched in 1977, the twin Voyager 1 and 2 spacecrafts have proved...
July 2021
Arecibo - an astounding legacy
... from Arecibo are impressive in their variety and importance. In yet another seminal study, an Arecibo survey of interstellar hydrogen, known by its acronym GALFA-HI, has revealed that the neutral gas is closely coupled to magnetic fields. This...
