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Direct imaging of four planets orbiting the star HR 8799 129 light years away from Earth
Lake Baikal, Siberia, Russia, photographed by astronaut Chris Hadfield, aboard the ISS, on February 26, 2013.
The Soyuz rocket is erected into position after being rolled out to the launch pad by train on Monday, December 17, 2012, at the Baikonur Cosmodrome in Kazakhstan.
Mars NASA poster design
Eruption of Mt. Etna, Sicily, as viewed from the International Space Station, 29 August 2013. Credit: NASA
George A. Van Biesbroeck (1880-1974), astronomer at Yerkes Observatory observing Mars when it approached close to the earth in 1926, and using the 40 inch refracting telescope, the largest of its kind in the world