... Jupiter and the Moon s Shadowed Horizon . ... Watching the Moon rise through gossamer clouds, she noted, " ... the crescent Moon looked like it was held in the sky by a star just off its shadowed horizon." What was that star? In the Center of the Heart Nebula . ... The red glow and the larger shape are all created by a small group of stars near the nebula's center. ... Filaments Across the Sun . ... Two unusually long filaments crossed part of the Sun last week. ... The broad shadow across.. ...