Earth's geomagnetic field was disturbed to G4 (severe) storm levels overnight following the arrival of the CME from Sunday's X flare. Did you catch any auroras?
A new survey of nearest stars to the sun - more than 2,000 of them - is helping astronomers determine which ones are the most likely to have habitable planets.
Visible planets and night sky guide. This evening, look for the thin moon. It’ll be especially beautiful during twilight, set against soft sunset colors.
When astronomers say a distant world is 'habitable,' what do they mean? Do they mean humans could live there? Do they mean we've discovered alien life?