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Voyager 1 is escaping the solar system at a speed of about 3.5 AU per year, 35 degrees out of the ecliptic plane to the north, in the general direction of the Solar Apex (the direction of the Sun's motion relative to nearby stars). Voyager 1 will leave the solar system aiming toward the constellation Ophiuchus. In the year 40,272 AD, Voyager 1 will come within 1.7 light years of an obscure star in the constellation Ursa Minor (the Little Bear or Little Dipper) called AC+79 3888.
Voyager 2 is also escaping the solar system at a speed of about 3.1 AU per year, 48 degrees out of the ecliptic plane to the south toward the constellations of Sagitarrius and Pavo. In about 40,000 years, Voyager 2 will come within about 1.7 light years of a star called Ross 248, a small star in the constellation of Andromeda.
Pioneer 10 is headed towards the constellation of Taurus (The Bull). It will take Pioneer over 2 million years to pass by one of the stars in the constellation.
Pioneer 11 is headed toward the constellation of Aquila (The Eagle), Northwest of the constellation of Sagittarius. Pioneer 11 may pass near one of the stars in the constellation in about 4 million years.
Pioneer 11 that came within a mere 26,725 miles (43,000 km) of Jupiter's atmosphere in 1974 and reached a top speed of 107,500 mph (173,000 km/h) in the process.
Originally posted by dilly1
There is no known technology at present that could propel a manned or even unmanned vehicle at anything near a small fraction of the speed of light. The fastest vehicles ever created by mankind, the Voyager probes, used a gravitational slingshot off of the planet Jupiter to attain a velocity of 100K mph — that's STILL the fastest speed ever attained by a man made vehicle, and it's about 5 times faster than the FASTEST man made propulsion system. The Voyager probes have been in space for over 33 years, and they haven't even escaped our solar system ,,Yet.
When the Voyagers FINALLY clears the Heliopause (where the solar wind terminates) in about 6 years, it will have traveled roughly ONE LIGHT DAY. One Light Day is the diameter of our Solar System. It is 4 LIGHT YEARS to the next nearest star system. So far, our FASTEST vehicles EVER require about 40 years to travel ONE LIGHT DAY. Multiply that by 365 for the amount of time required to travel ONE Light Year (over 14,000 years). Now multiply that by FOUR (nearly 60,000 years).We're talking about WAY OVER fifty thousand years to reach the NEAREST star to us, traveling 5 times faster than the fastest current manmade propulsion system. We need to start grasping reality and grasp the distances involved in NEAR SPACE travel. When you hear the "futurists" discussing FTL space travel, they are talking pure fantasy, it's not based on ANY current technology. We have NO IDEA of how to approach near-light-speed velocities, nor how to sustain human life for extended journeys in space. When you hear the String Theorists discussing non-local simultaneity, they're talking about subatomic particles — they're not talking about a 12-million-ton deep space colony probe with a crew of 60 human beings.
It took us about 200,000 years to travel 300 miles, from the surface of the Earth to low Earth orbit. Once into the realm of microgravity, it took us another 10 years to reach the Moon. So, realistically, from the time we invented powered flight, it took us 80 years to travel a quarter of a million miles.
And then we STOPPED. We abandoned our manned interplanetary (Apollo) program in the 1970s. Our best manned efforts have been stuck in low Earth orbit for the last 40 years.
In other words,
we hit The WALL, and we were barely out of Earth's atmosphere.
Not only do we NOT have the
propulsion technology, we don't have a
reliable power source; and, more importantly, we don't have the life-support(this is vital!!!) technology to travel in deep space.
hiding the technology, we're don't have back-engineered alien spacecraft hidden in a hangar somewhere. That's all fantasy.