Composite image of Earth at night from space (@ Robert Simmon/NASA)

Composite image of Earth at night from space (@ Robert Simmon/NASA)

comments,

• Is there anything more amazing…""Than this?
• What makes the big blue marble light up so majestically at night?""NASA has all the answers
• Wow - it looks like a very long way down.""Who plummeted 39km in 2012, becoming the first human to break the sound barrier?
• This composite of Earth combines satellite images of city lights, wildfires and even gas flares from oil drills.""That must be some camera