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Originally posted by DjSharperimage
but i dont think UFO's use blackhole's to travel;
Originally posted by nik1halo
reply to post by jkrog08
Some good postings here and some interesting theories.
Not meaning to be picky here, but:
(a lightyear is the time it takes light, the fastest known speed, to reach something).
Wrong. A lightyear is the distance that light (at the universal constant speed of light ~186,000 miles/sec) would travel over the period of a year. It is a measurement of distance, not time.
we can not see our entire galaxy but from what we on earth can see with our most advanced technology is stars that are thousands of light years away
How does squeezing/compressing dark matter annihilate it?
The [constructed] Black Hole:
1. has a long enough lifespan to be useful,
2. is powerful enough to accelerate itself up to a reasonable fraction of the speed of light in a reasonable amount of time,
3. is small enough that we can access the energy to make it,
4. is large enough that we can focus the energy to make it,
5. has mass comparable to a starship.
Fortunately, black holes have a sweet spot in terms of size, power and lifespan which is almost ideal. If you take a trip to Alpha Centauri, with an acceleration of 1g to the half way point, and then decelerate at 1g for the remainder of the journey, the trip takes a relativistic 3.5 years. A black hole that would survive the entire trip would have a radius of 0.9 attometers, would have a mass of 606,000 tonnes, and a power output of 160 petawatts. The lifespan of the black hole could be extended by feeding it mass, too.
For longer trips, you could use larger but weaker holes, and smaller and more powerful ones for short trips.