Get the facts on this planet of extremes. Orbiting the Sun at a distance of 4.5 billion kilometres - more than 30 times further out than the Earth - Neptune is a dark, icy world. Receiving just one ...

As our sun waxes towards it’s once-every-11 -years “solar maximum,” fears about how increased solar activity could affect our increasingly technological society abound. On Neptune far out in ...

But there’s nothing in the physics we know and the observations we have that rules out the possibility of large planets at tens of times the distance of Neptune from the sun.” Observing the ...

A planet’s opposition occurs when Earth passes between it and the Sun. As a consequence of that geometry, Neptune’s disk will appear to be 100% illuminated as seen from Earth. It will be 180º ...

Uranus and Neptune are the furthest planets from ... to capture the entire planet It is about five times the distance from the Sun that Earth is and eleven times the width of Earth.

Although it's not as cold as Uranus, Neptune is still extremely frigid Saturn comes next with an average temperature of around -139°C (-218°F). Its distance from the Sun and its composition ...

Ever since William Herschel discovered Uranus in 1781, astronomers have been eager to find new planets on the outer edge of the solar system. But after the discovery of Neptune in 1846, we’ve found no ...