EightOtwo
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See here something that is so far away
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EightOtwo
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Posted on 05-06-08 12:39
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The colliding galaxies you are seeing now is 100 millions light years away. It is so far that for Helios 2, the fastest man made object, traveling at 70,220 miles per hour takes 3 millennium to reach there. Voyager 1 and 2 are the most distant man made objects in space traveling at 39,000 miles per hour and have covered around 6.5 billions miles in about 2 decades. Its not even distance traveled by light in 30 minutes.
http://antwrp.gsfc.nasa.gov/apod/
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EightOtwo
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Posted on 05-06-08 12:42
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This one is interesting:
| Value (m/s) |
Item |
| 0.00275 m/s |
world record speed of the fastest snail in the Congham, UK [4]. |
| 0.080 m/s |
the top speed of a sloth (= 8.0 cm/s) |
| 1.2 m/s |
a typical human walking speed (2.7 mph or 4.3 km/h); below a speed of about 2 m/s, it is more efficient to walk than to run, but above that speed, it is more efficient to run
the speed of signals (action potentials) traveling along axons in the human cortex |
| 27 m/s |
a car travelling at 60 miles per hour (MPH) (approximately 100 kilometres per hour (km/h)); also the speed briefly maintained by a hunting cheetah. |
| 120 m/s |
the maximum speed of signals (action potentials) travelling along myelinated axons in the spinal cord |
| 336 m/s |
the speed of sound in the Black Rock Desert when the land speed record was set in 1997 |
| 341 m/s |
the current land speed record, which was set by ThrustSSC in 1997. This was supersonic (Mach 1.016) in the Black Rock Desert at the time, but might not have been supersonic in other places. |
| 343 m/s |
the approximate speed of sound under standard conditions, which varies according to air temperature |
| 559 m/s |
the average speed of Concorde's record Atlantic crossing (1996, based on 1250 mph) |
| 1,000 m/s |
the speed of a typical rifle bullet
about the top speed of a sub-orbital spacecraft. |
| 1,400 m/s |
the speed of the Space Shuttle when the solid rocket boosters separate. |
| 4,500 m/s |
A typical value for the specific impulse of current rockets is 4.5 km/s. |
| 8,000 m/s |
the speed of the Space Shuttle at main engine shutdown (just before it enters orbit). |
| 17,000 m/s |
the approximate speed of the Voyager 1 probe relative to the sun, when it exited the Solar System.[5] |
| 299,792,458 m/s |
the speed of light (exact value by definition of the metre) |
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