| 1. | |
Helix nebula displays hundreds of gaseous knots. |
| 2. | |
Young supernova remnants. |
| 3. | |
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| 4. | |
Synoptic view of ocean surface wind by NASA scatterometer. |
| 5. | |
Parachute during a steady gliding decent at 10 degrees angle of attack and Reynolds number 10 million. |
| 6. | |
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| 8. | |