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| Gravitational Assists (150,000 mph) - 18,000 years |
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| Nuclear Pulse Propulsion (31,068,559 mph) - 85 years |
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| Ion Drive Propulsion (35,000 mph) - 81,000 years |
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| Space Shuttle Speeds (17,500 mph) - 162,651 years |
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| Voyager Spacecraft (38,000 mph) - 76,000 years |
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| Speed of Light (186,282 miles per second or 670,616,629 mph) - 4.24 years |
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| Caloris Basin in Mercury (963 miles in diameter) |
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| Rembrandt Crater in Mercury (444 miles in diameter) |
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| Vredefort Crater (190 miles in diameter) |
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| Siljan Crater (32 miles in diameter) |
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| Sudbury Basin (160 miles in diameter) |
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| Chicxulub Impact Crater (110 miles in diameter) |
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| Popigai Crater (62 miles in diameter) |
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| Acraman Crater |
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| Charlevoix Crater (34 miles in diameter) |
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| Kara Crater |
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| Karakul Crater (16 miles in diameter) |
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| Manicouaga Crater (60 miles in diameter) |
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| Taihu Crater |
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| Mead Crater in Venus (174 miles in diameter) |
