... Despite recent activity on the Sun, the skies were disappointing. ... Follow the handle of the Big Dipper away from the dipper's bowl until you get to the handle's last bright star. ... A long solar filament stretches across the relatively calm surface of the Sun in this telescopic snap shot from April 27. ... The Rosetta spacecraft arrived at the comet's craggily double nucleus last July and now is co-orbiting the Sun with the giant dark iceberg. ... Planetary Nebula Mz3: The Ant Nebula . ... April...