... As it travels out toward the surface, the energy is continuously absorbed and re-emitted at lower and lower temperatures so that by the time it reaches the surface, it is primarily visible light. ...
... 260 kilometers it is even larger than planets Mercury and Pluto and just over three ... with bright young craters, Ganymede's surface shows a mixture of old, dark, cratered ...
... Seen as a dark spot , Mercury progresses from left to right (top panel to bottom) in ... in the extreme ultraviolet which highlight regions above the Sun's visible surface ...
... Seen as a dark spot , Mercury progresses from left to right (top panel to bottom) in ... in the extreme ultraviolet which highlight regions above the Sun's visible surface ...
... Seen as a dark spot , Mercury progresses from left to right (top panel to bottom) in ... in the extreme ultraviolet which highlight regions above the Sun's visible surface ...
... view , based on global image data from the Mercury-orbiting MESSENGER spacecraft ... distinct chemical, mineralogical, and physical regions across the cratered surface ...
... the solar chromosphere , the region of the Sun's atmosphere immediately above its photosphere or normally visible surface ... Left of center, the tiny disk of Mercury seems to be imitating a small sunspot that looks a little too round. ...
... 2008 January 26 . Crescent Mercury in Color . Credit: MESSENGER , NASA , JHU APL , CIW . ... the twilight glow near planet Earth's horizon, a crescent Mercury was imaged close up by the MESSENGER spacecraft early last ...
... The false-color TRACE images were made in ultraviolet light and tend to show the hot gas just above the Sun's visible surface. ... Mercury's disk is silhouetted against the seething plasma as it follows a trajectory near the edge of the Sun. ...