Alexander is remembered for her leading role in the Galileo and Rosetta missions and her efforts to encourage women scientists from underprivileged and underrepresented groups.
Jupiter
Posted inResearch Spotlights
What Makes Jupiter's Aurora Pulse?
The aurora crowning Jupiter's poles—the most powerful in the solar system—flares up when plasma is injected into its magnetic field.
Posted inResearch Spotlights
How Powerful Is Jupiter's Aurora?
Scientists have mapped Jupiter's spectacular aurora in unprecedented detail with the Hubble Space Telescope.
Posted inResearch Spotlights
Gaseous Planets May Have Huge Luminous Rings Caused by Lightning
What business do elves have in the upper atmospheres of gas giants? Plenty, it seems. The enormous ring-shaped phenomena triggered by lightning may occur on Jupiter, Saturn, and exoplanets.