Giant comet to pass Mars for the first time in a million years

The closest look ever at a new comet will happen when the mountain-size comet Siding Spring buzzes past Mars this weekend. The comet will buzz the Red Planet on October 19. NASA

A comet on a once-in-a-million-years journey will graze the atmosphere of Mars, astronomically speaking, this Sunday. 

NASA is preparing for the flight of a comet Siding Spring near Mars

NASA is preparing for an exciting event space - flight of the comet Siding Spring at a very close distance to Mars. Oct. 19 comet, made ​​its way into billions of miles, will be held at a distance of 139,500 kilometers from Mars, which is about one-third of the distance from the Earth to the Moon. 

NASA released the image strange hexagon on Saturn

Forget about the rings of Saturn. Another amazing feature that can be clearly seen only exceptionally distant spacecraft is a whirlwind of strange hexagonal shape, which has been active for at least 30 years old. Cassini NASA's captured this spectacular picture of a jet stream of geometric shapes Saturn in July 2013 from a distance of approximately 973,000 kilometers from the planet.

Image, which was published by NASA this week, has a scale 58 kilometers per pixel and obtained in the direction of the illuminated segment of the rings at 33 degrees above the ring plane.