When will we reach the Moon, Mars, Jupiter, another star and another galaxy...


Hmmm fair enough, but I think the maths is wrong :p:p

To get a Lorentz factor of 365 (so that a day on the ship for you = a year on earth, and edge of the galaxy in circa 80 years) you need crazy %age of c like 99.9995 ish. A lousy 99% doesn't cut it.

See here, for example...

http://en.wikipedia.org/wiki/Lorentz_factor

I'm no expert, mind you. And never mind - the principle is right.
 
Go on, put your scifi heads on and predict how many years till:-
- A human lands on the Moon again
- A human lands on Mars
- A human reaches Jupiter (Arthur C Clarke said we'd already be there :))
- A probe or human reaches another star
- A probe or human reaches another galaxy

a - A human lands on the Moon again - Within 50 years.
b - A human lands on Mars - Within 50 years.
c - A human reaches Jupiter - We won't there would be little point in sending a human to a gas giant.
d - A probe or human reaches another star - Never
e - A probe or human reaches another galaxy -Never Never Never.

The math on d) and e) make almost certain that these are not going to happen.
 
d - A probe or human reaches another star - Never
e - A probe or human reaches another galaxy -Never Never Never.

The math on d) and e) make almost certain that these are not going to happen.

rubbish. We can already reach another star if we wanted to.

Orion, dreadlause, longshot are but a few examples of possible and realistic inter solar system craft.

And more interestingly is a magnetic spaceship could therotecally use jupiters magnetic field to reach near light speed.
 
rubbish. We can already reach another star if we wanted to.

Orion, dreadlause, longshot are but a few examples of possible and realistic inter solar system craft.

And more interestingly is a magnetic spaceship could therotecally use jupiters magnetic field to reach near light speed.

Erm no, we couldn't. There's not much more to say to be honest but, no.
 
Then you need to do some reading, it's a matter of cost and willingness.
{SNIP}

Yes I've heard about them during my studies and many other theories and 'ideas'; they're as valid as every other 'project' that Scientists have dreamt up.

The fact is the fastest we have managed to travel in space is 106,000mph (the Galileo probe), for that to reach proxima centauri it would take approximately 24,000 years. With proven technology that is as fast as we know how to go using the limited resources we have.
 
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We have managed is not the same as what we can achieve.even using conventional rockets we could shave that down, if we had the willingness and money to transport huge quantities of fuel to space.

So even though you've heard of them, you still saying never? Why would you say that if you have heard of them.
 
We have managed is not the same as what we can achieve.even using conventional rockets we could shave that down, if we had the willingness and money to transport huge quantities of fuel to space.

So even though you've heard of them, you still saying never? Why would you say that if you have heard of them.

I don't know really, I'm a bit cynical about such things now, everything is maths and maths is everything, it's a bit depressing. The maths propose that we would have to completely exhaust our places on earth to travel much further than our solar system.

The Nuclear Propulsion program was the most realistic - and still is - but the project was actually closed in the 60s or 70s. The other two projects you mentioned remain simply as ideas and ideas like that are thrown about in their thousands.

I'd really love for us to unfold some new technology in years to come but with what we know now even most realist-scientists are finally admitting we're stuck here for a while or forever.
 
Orion needs like 200,000 tons of Nuclear fuel though. That's quite a lot!!

Exactly, where's Nuclear Man when you need him?

This is the problem with this subject, you can't get ridiculous speeds without ridiculous resources, resources we - as a planet - can't spare or simply don't have.
 
There other methods being worked on, laser sails.

A space based laser fired at a spaceship. This means only deceleration fuel needs to be on board and most of that could probably done with solar sails, magnetic interaction, using the suns mavity to obtain orbit.
 
Oh and for those saying we will never get to another star/galaxy/whatever. They used to say heavier than air travel would never happen or that there was nothing smaller than the atom.

If there is the will we will find a way. Alas our focus has turned inwards much to the detriment of mankind's future.
 
LOL - you would hope they'd have the courtesy to pick the poor guy up on the way and give him a lift! :)

how could you though.

say you drop out of whatever super speedy travel you have and accelerate up to their speed to get them to slowdown/to dock with them, by the time you've finished the manoeuvre years would have passed because of the relativistic effects :p
 
how could you though.

say you drop out of whatever super speedy travel you have and accelerate up to their speed to get them to slowdown/to dock with them, by the time you've finished the manoeuvre years would have passed because of the relativistic effects :p

Just throw out a lasso, nothing could go wrong.
 
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