Structure and Behavior of NEPTUNE. http://planetfacts.org/planet-neptune-facts/. Neptune is the 8th planet from the sun in our solar system. . http://universe-beauty.com/ger/galerie/suche/(keyword )/solar+system. Neptune is the 4 th largest planet in our Solar System.
in our Solar System
Neptune\'s blue color is caused by the methane (CH4) in its atmosphere; this molecule absorbs red light.
Neptune has five rings: Galle, Le Verrier, Lassell, Arago, and Adams.
The rings are composed of at least 20% dust with some of the rings containing as much as 70% dust; the rest of the material comprising the rings is small rocks.
2. Neptune is categorized as “ICE GIANT” like Uranus. The
interior is primarily composed of ice & rock.
3. Neptune is one of the coldest planets because of it’s distance from the sun.
4. Only the spacecraft Voyager 2 has ever visited Neptune – it flew by the planet in August 25, 1989.