Picture of the day for April 18, 2018

A Cirrus fibratus cloud front on evening sky as seen over Austnesfjorden from Sildpollneset in Austvågøya, Lofoten, Norway in April 2015.. Learn more.


Picture of the day for April 17, 2018

View of the Castle of Zafra, Campillo de Dueñas, Guadalajara, Spain. The castle was built in the late 12th or early 13th centuries on a sandstone outcrop and stands on the site of a former Visigothic and Moorish fortification that fell into Christian hands in 1129. It had considerable strategic importance as a virtually impregnable defensive work on the border between Christian and Muslim-ruled territory. The castle was never conquered and was successfully defended against the King of Castile in the 13th century. The successful completion of the Reconquista at the end of the 15th century ended its military significance.. Learn more.

Picture of the day for April 13, 2018

The Rho Ophiuchi cloud complex is a star-forming region located only 400 light years from Earth. It is surrounded by a red emission nebula and numerous light and dark brown dust lanes. Nearby is the yellow star Antares while the globular cluster, M4, is visible between Antares and the red emission nebula. Toward the bottom can be found IC 4592, the Blue Horsehead nebula.. Learn more.

Picture of the day for April 12, 2018

The Soyuz TMA-13 spacecraft, carrying Expedition 18 Commander Michael Fincke, Flight Engineer Yury V. Lonchakov and American spaceflight participant Richard Garriott, launched Sunday, October 12, 2008, from the Baikonur Cosmodrome in Kazakhstan. The three crew members docked with the International Space Station on October 14. Garriott returned to Earth on October 24 with two members of the Expedition 17 crew, while Fincke and Lonchakov remained on the station for six months.. Learn more.