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Home > Science > Space Exploration > Planets > Neptune

Neptune Gallery

Choose from 95 pictures in our Neptune collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Planets internal structures Featured Neptune Print

Planets internal structures

Planets internal structures, and Pluto, computer artwork. Mercury, Mars and Venus consist of a large iron core (spherical), surrounded by a thick silicate mantle (yellow) covered in a surface crust. Earth consists of an inner core of solid iron and nickel (yellow) and a molten outer core (orange), surrounded by a mantle of highly viscous liquid (brown) covered by a surface crust. Jupiter and Saturn consist of a core of rock (spherical) surrounded by ice (mat grey). This is surrounded by a layer of liquid metallic hydrogen (grey) and liquid normal hydrogen (blue). Uranus and Neptune have a core of rock (spherical) surrounded by ice and liquid hydrogen (blue). Pluto has a dense rocky core (grey) surrounded by ice (black)

© CHRISTIAN DARKIN/SCIENCE PHOTO LIBRARY

Diagram of paths taken by the 2 Voyager spacecraft Featured Neptune Print

Diagram of paths taken by the 2 Voyager spacecraft

Diagram showing the paths taken by the two Voyager spacecraft. Voyager 1 (orange track) was launched on 5 September 1977; it encountered Jupiter on 5 March 1979 & Saturn on 12 November 1980, then turned sharply & headed out of the Solar System along a path at 90 degrees to the plane of the ecliptic (the plane in which the planets orbit the Sun). Voyager 2 (red track) was launched on 20 August 1977, before Voyager 1; it visited Jupiter on 9 July 1979, Saturn on 25 August 1981, Uranus on 24 January 1986, Neptune on 24/25 August 1989, & is now heading towards the edge of the Solar System. Both Voyagers will travel close to nearby stars in about 40, 000 years

© JULIAN BAUM/SCIENCE PHOTO LIBRARY

Venus transiting the Sun, telescope image Featured Neptune Print

Venus transiting the Sun, telescope image

Gliese 436b is a mid-sized exoplanet roughly the size of Neptune in our own Solar System. It orbits its parent star, the red dwarf Gliese 436, at an extremely close-in distance of just 0.03 astronomical units, taking 2.64 days to go around once. By contrast, Mercury orbits at more than 10 times this distance from the Sun and takes 88 days. Gliese 436b was found using the transit method of discovery, whereby the planet -- as seen from the Earth -- passes first in front of and then behind its parent star. During these events, called transits, the brightness of the system is modulated, enabling astronomers to infer the presence of a planet and calculate its orbital period and mass using the laws of motion

© DAVID NUNUK/SCIENCE PHOTO LIBRARY