Top ten space photos of 2013

New Delhi: The first images from space were taken on sub-orbital flights by NASA. All satellite images produced by NASA are published by Earth Observatory and are freely available to the public.Satellite images have many applications in meteorology, agriculture, geology, forestry, landscape, biodiversity conservation, regional planning, education, intelligence and warfare. Images can be in visible colours and in other spectra.Here we present ten of the best images of Space by NASA in 2013: 1. A NASA probe has captured an amazing video of the huge and mysterious six-sided vortex spinning around Saturn's north pole.2. Sh2-64 is an emission nebula in the constellation of Serpens.3. Astronauts Repair Space Station.4. Saturn wears a six-sided crown, seen in this stunning image from the Cassini spacecraft.5. Here, Rhea, the second-largest satellite of the Saturnian system.6. Scientists created this composite image of Vesta's crater Aelia using data from NASA's Dawn spacecraft.7. Japanese Robot Talks to Astronaut on Space Station8. The Hubble Space Telescope snapped this image, released by NASA showing the huge star RS Puppis sending “light echoes” into the dust.9. Cosmonauts and flight engineer perform a spacewalk outside the International Space Station.10. NASA released a new infrared view of Saturn from the Cassini spacecraft.