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