... The Butterfly Planetary Nebula . ... As stars age, they throw off their outer layers. ... Looking like a twisting cloud of gas and dust between the stars this wispy nebulosity is actually close by - a spiral eddy formed near the North Atlantic Gulf Stream off the East coast of the US. ... Mars: A Mist In Mariner Valley . ... Cassini To Venus . ... Cold Wind From The Boomerang Nebula . ... The above true color image taken in August by Mars Pathfinder shows clouds of ice high in the Martian atmosphere...