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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.


Voyager probe trajectory, artwork Featured Neptune Print

Voyager probe trajectory, artwork

Voyager probe trajectory, artwork. Artwork of the trajectory of one of the Voyager probes as it travels out of the solar system. NASA's two unmanned Voyager probes were sent to the outer planets in 1977. The probes beamed back the first close-up images of the outer gas giant planets. The probes have exceeded the solar system's escape velocity, and continue to beam back data as they head out into interstellar space. Voyager 1 reached the heliopause, the boundary between the heliosphere and interstellar space, in around August 2012. As of 2013, Voyager 1 is over 18 billion kilometres from the Sun

© CLAUS LUNAU/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

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