Neptune
Video: Beyond Neptune, It Sure Is Crowded With Icy Objects
Faster than you can say "trans-Neptunian object" three times, the reaches beyond Neptune's orbit start to fill out in this…
Two Observing Challenges: Catch Venus Passing Neptune And Occulting a Bright Star
Have you been following the planet Venus this season? 2014 sees the brightest planet in our Earthly skies spend a…
A Tale of a Lost Moon: Hubble Spies Neptune’s Moons and Its Rings
"That's no moon..." -B. Kenobi But in this case, it is... a lost moon of Neptune not seen since its…
How to See Planet Neptune: Our Guide to Its 2013 Opposition
If you do your own stargazing or participate in our Sunday night Virtual Star Parties, you’ve probably noticed we’re starting…
Researcher Finds a New Moon Around Neptune in Hubble Data
It took sharp and patient eyes, but researcher Mark Showalter of the SETI Institute has found a tiny moon orbiting…
Is Triton Hiding an Underground Ocean?
Voyager 2 mosaic of Neptune's largest moon, Triton (NASA) At 1,680 miles (2,700 km) across, the frigid and wrinkled Triton is Neptune’s…
The Rings of Neptune
Neptune is one of four planets in our Solar System with planetary rings. Neptune was not discovered until 1846 and…
Who Discovered Neptune?
Five of the planets in the night sky are easy to see with the unaided eye, and have been known…
How Did Neptune Get Its Name?
How did Neptune get its name? Shortly after its discovery, Neptune was only referred to as "the planet exterior to…
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Voyager 1 Spacecraft Enters New Region of Solar System
[/caption] Voyager 1 is in uncharted territory. The long-lived spacecraft has entered a new region of space that lies between…