Stars Do stars experience the same phenomena as our Sun, such as sunspots, prominences, solar wind, and flares?
Science Ask Astro web extra: Why is the fourth known planet in an extrasolar system labeled with an “e”? Shouldn’t that be the fifth known planet? Or is the star always “a”?
Science Have astronomers seen massive young clusters like the Milky Way’s Arches Cluster in other spiral galaxies?
