... Venus, Mercury, and Moon . ... Combining 8 images spanning April 4 through April 15, this composite tracks their progress through skies above Portsmouth, UK. ... Although the large ash plume was not unparalleled in its abundance, its location was particularly noticeable because it drifted across such well populated areas. ... Spiral galaxy NGC 4651 is a mere 35 million light-years distant, toward the well-groomed constellation Coma Berenices. ... A Large Space Station Over Earth . ... April . ...