Beyond Any Reasonable Doubt: A Supermassive Black Hole Lives in Centre of Our Galaxy
[/caption] One the one hand, this might not be surprising news, but on the other, the implications are startling. A…
Life on Mercury
[/caption] Mercurian world is one of extremes. 700 Kelvin on the side exposed to the Sun, yet some areas are…
Carbon Dioxide Detected on Exoplanet HD 189733b
[/caption]The Hubble Space Telescope has detected carbon dioxide on a planet orbiting another star. The star in question is HD…
Pluto and Neptune
[/caption] The most distant planet in the Solar System is Neptune, orbiting at a distance of 4.5 billion km from…
What is the Weather Like on Neptune?
Neptune is the most distant planet from the Sun, with temperatures that plunge down to 55 Kelvin, or -218 degrees…
Neptune Compared to Earth
[/caption] To really understand how big Neptune really is, you need some kind of comparison. Let's see how Neptune compares…
Neptune’s Orbit
[/caption] Neptune orbits the Sun at an average distance of 4.5 billion km. That's the simple answer to the question,…
Radius of Neptune
[/caption] The equatorial radius of Neptune is 24,764 km. That's the quick answer. But you need to understand that things…
Size of Neptune
[/caption] Neptune is so dim and distant that you can only see it with a moderately powerful telescope. But Neptune…
“Leap Second” to be Added to World Clocks
If you ever feel like you need more time, here's some great news: you're actually going to get it. On…