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6/4/2014 8:44:43 PM
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[quote]just a stone's throw away from Earth.[/quote]
[quote] mere 13 light-years away,[/quote]
English
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Light-years are the Miles of the universe m8.
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I know <.< It would just take a loooooong time for us to actually get there <.<
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Chuck can throw it!
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Considering the galaxy is 100,000 LY across, that's really -blam!-ing close.
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Spacial terms don't translate well for people who think of it out of context (which is pretty much almost everyone). That's pretty close in the larger spectrum of things.
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Yeah I know :P It just always makes me chuckle how they say it's on our doorstep but would still take several lifetimes to reach.
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Several life times? Maybe 20 years. It wouldn't be that difficult to achieve sufficient cruise velocities for close interstellar travel.
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Huh, I guess I ogrestimated the time it took to travel that far then <.<
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[quote]ogrestimated[/quote] No.
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WHAT ARE YE DOIN' IN MAH SWAMP!?!?!
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I'm makin' waffles.
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Well, I guess I could be wrong too. It might take a while to get through the debris of the solar system proper and the Oort Cloud, but if interstellar space is empty sufficient subluminal velocity should be easy to attain.
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But what happens when we travel so far that we stop being warmed by the sun?
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> That feel when time dilation > feels good man
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Edited by Charlemagne: 6/5/2014 12:10:15 AMTechnology is advancing rapidly, it may not take as long as we think.
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That is not true. It takes 12 years to reach Neptune.
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In a manned shuttle, yes. I'm not talking about a manned shuttle. It's actually a very unknown fact, but recently (a few years ago now) a probe was sent out and got out of our solar system in a few days. The reason for this being is because in space there is almost no friction. Slowing down is an extremely difficult task. The reason it takes weeks to get to the Moon is because if we were going to fast, we wouldn't be able to stop and would either crash or pass it. The probe they sent out wasn't meant to land on anything, so it was at its maximum speed. Voyager took so long because they needed it to stop near Neptune and Uranus. I can't remember exactly how many days it took to get to and past Neptune, but it was very quick (in relation to how many years it would take a modern manned shuttle). I'll see if I can find the article. It was a great read.
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So the problem is not so much traveling fast as it is slowing down when the destination is within reach.
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Yes, but some of what I said in this was inaccurate since I got a few things mixed up. Overall though, it holds true. We have no created a proper way of slowing down in space yet. That's why they only do small bursts when getting somewhere. Simply getting to Neptune would take 180 days to over a year depending on what was used.
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So we need ways to travel faster AND ways to slow down.
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There's a student in Egypt who made a theoretical form of space travel that is very possible and would speed us across the universe. Reverse thrusters are being researched, but it's harder in practice.
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Nothing I'll see in my lifetime ( ._.)
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Don't be so sure. In our life time crazy things have happened.
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No, I am talking about probes. Neptune is 2.7 billion miles away. For anything to reach it in 2 days (like you said) it would have to be traveling at 56.25 million miles an hour (25146km/s.) The fastest probe ever launched was New Horizons and that was only 35,000mph (15.6km/s.) [Well, the Helios probes were about three times faster but that is towards the Sun which is completely different not to mention that is only around 100,000mph (44km/s.)] With the speed of 35,000mph, it would take 77,143 hours to get there. 77,143 hours = 3214.25 days = 8.8 years So I was off by about 3 years. Still, it is not two days. I have no idea where you heard that. You were right that I was using the Voyagers for a reference but you were wrong as to why they took longer. The Voyagers did not "stop" at each planet. They did a fly-by of most of them. Usually just passing through or by using the plant's orbit to "slingshot" to the next planet. Also, I spent two minutes typing this up so please correct any math that may be wrong.
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Edited by Charlemagne: 6/5/2014 12:09:42 AMI read over what you said and I think I must have miss read something then since it pretty much checks out. Edit: Turns out that I confused two articles. One on spacial probes and one on signals. This makes so much more sense now.
