[/caption] This summer, the New Horizons spacecraft was awoken for its annual systems checkout, and took the opportunity to exercise…
[/caption] Last week, Space.com had a great article about how on August 20, 2010, Neptune finally completed one orbit around…
[/caption] Astronomers have found a new object in a region of Neptune’s orbit, tucked away in a very hard-to-find location,…
Researchers studying Neptune's atmosphere found evidence that a comet may have hit the planet about two centuries ago. Was this…
[/caption] The following Neptune fact sheet is based on NASA's excellent planetary fact sheets. Neptune is the 8th planet from…
[/caption] Nereid is the name given to the third largest of Neptune's moons, and the second to have been discovered…
Neptune's distance from the Sun is 4.5 billion km; more specifically, it's 4,503,443,661 km. If you're still using the Imperial…
[/caption] Neptune orbits much further away from the Sun than the Earth, so its orbit takes much longer. In fact,…
[/caption] One of the International Astronomical Union’s (IAU) requirements for a celestial body to be classified as a planet (or…
[/caption] One way to measure the size of the planets is by radius. Radius is the measurement from the center…