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NASA astronaut Jack Fischer posted this video Thursday saying, “How super cool this is! Our robot arm releases Cygnus and the spaceship flies away! Moments like this happen all the time on @iss”. The Cygnus spacecraft had been docked to the International Space Station since April and was released on June 4, after delivering supplies and science to the crew onboard. Cygnus will remain in orbit for a week in support of the SAFFIRE experiment, which studies fire in microgravity. Credit: NASA
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Rhea is a heavily-cratered, airless world, while Titan’s nitrogen-rich atmosphere is even thicker than Earth’s. This natural color image was taken in visible light by the Cassini spacecraft on Nov. 19, 2009, at a distance of approximately 713,300 miles (1,148,000 kilometers) from Rhea. After a nearly 20-year mission that overflowed with discoveries, the Cassini spacecraft ended its mission on Sept. 15, 2017. Credit: NASA/JPL-Caltech/Space Science Institute