![]() Dark material fills the bottom of each crater. Hyperion’s low density indicates that it is composed largely of water ice with only a small amount of rock. It’s surface is covered with deep, sharp-edged craters that give it the appearance of a giant sponge. A possible explanation for the irregular shape is that Hyperion is a fragment of a larger body that was broken by a large impact in the distant past. Hyperion is, at 255 x 163 x 137 miles in diameter, the largest of Saturn’s irregularly-shaped moons and the largest irregularly-shaped moon in the solar system. M63 also shines across the electromagnetic spectrum and is thought to have undergone bursts of intense star formation. M63′s faint extended features could be the result of gravitational interactions with nearby galaxies. It is part of the M51 Group,a group of galaxies that also includes the Whirlpool Galaxy (M51). It is nearly 100,000 light-years across, about the size of our own Milky Way and lies 37 light-years away in the Canes Venatici constellation. The Sunflower Galaxy (M63 or NGC 5055) is a spiral galaxy consisting of a bright yellowish core and many short sweeping blue spiral arms, streaked with cosmic dust lanes and dotted with pink star forming regions. When launched, the speedy jet may initially be confined to a narrow beam by the star’s powerful magnetic field. Several bright regions in the lumpy gas signify where material is slamming into each other, heating up, and glowing.Įjected episodically by a young star like salvos from a cannon, the blobby material in HH 34 zips along at more than 440,000 miles (700,000 kilometers) an hour. The red jet near the bottom, called Herbig-Haro 34 (or HH 34), is a signpost of star birth. The Waterfall appears to converge on a bright but unusual non thermal radio source located toward the upper left of the curving structure. The elongated gaseous stream stretches about ten light years and emits an unusual array of colors. ![]() Herbig-Haro 222 (HH-222, The Waterfall Nebula), roughly 1,350 light-years from Earth in the Great Orion Molecular Cloud complex, is one of the more mysterious structures yet found on the sky. Herbig-Haro 222 (HH-222, The Waterfall Nebula) It spans some 110 light-years and lies about 7,200 light years away in the Cepheus constellation. The Wizard Nebula (SH2-142) is a bright diffuse nebula that surrounds the developing open star cluster NGC 7380.
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