universetoday.com
How Long is a Day on Neptune?
[/caption] A day on Neptune is 16 hours, 6 minutes and 36 seconds. Wait, not so fast! Here’s the problem. Neptune isn’t a single solid object like the terrestrial planets, so different parts of the planet rotate at different speeds. This is a process that astronomers call differential rotation. Neptune’s equatorial zone takes about 18 … Continue reading "How Long is a Day on Neptune?"
Fraser Cain