Tuesday, July 7, 2015: The Swedish–ESO Submillimeter Telescope stands at the left of this image, alongside the ESO 3.6-meter telescope on the right. Overhead,…Read More »
bright star trails appear to trail above the La Silla Observatory, in the outskirts of the Atacama Desert in Chile. This image combines 250 one-minute exposures, taken during a period of four hours. Reflections in the dish of the telescope include stars and also a car's red lights. Image released July 6, 2015.
Monday, July 6, 2015: The thin, innermost D ring of Saturn shows spiral structures in this image obtained by Cassini spaecraft on on July 6, 2013. The…Read More »
wavy, or "vertically corrugated," spiral may have developed from a warp in the ring created in the early 1980s. (Bright specks and faint vertical streaks seen here are image artifacts.) Image released June 29, 2015.
Thursday, July 2, 2015: Astrophotographer Giuseppe Petricca caught the conjunction of two planets in Italy on June 30, 2015. He writes in an email mesage…Read More »
to Space.com: “The sky was clear with only some haze that beautified the sunset colors, and the planets Venus and Jupiter in close conjunction were clearly visible, together over the Leaning Tower of Pisa! Simply an awesome sight!”
Wednesday, July 1, 2015: Galaxies bound to each other by gravity form galaxy clusters, the largest compact structures in the universe. The Virgo cluster…Read More »
of galaxies lies closest to us, some 50 million light-years away, and contains sub-structures such as this grouping of galaxies gravitating about a massive elliptical galaxy, NGC 4365. Image released June 2015.