Questions tagged [interstellar-travel]

Questions regarding travel on a cosmic scale, from one star to another.

9 questions with no upvoted or accepted answers
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Breakthrough Starshot's 100 Gigawatt laser array - what's the current thinking how this might work?

In the article Breakthrough Starshot tricks out massive telescope for planet hunting there is casual mention of a "phased array of lasers in the 100GW range" that will propel a gram scale spacecraft ...
4
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0answers
281 views

How do you "make" a soliton? (recent peer-reviewed theoretical work in FTL travel)

I've just read an Article on the new approach on Warp Drives Dr. Erik Lentz describes. Instead of creating a bubble with negative energy density, he describes a Soliton in spacetime, which he ...
4
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0answers
39 views

What is the required laser intensity to ionize interstellar gas in front of a Bussard ramjet?

In a Bussard ramjet interstellar gas is collected using a large magnetic field to be fused and used as reaction mass. While a number of papers have explored the constraints on the magnetic field, what ...
4
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118 views

Help: Specific Quote for Interstellar Spaceship

I know that this quote exists, i just don't know who said it or the specific language. The quote goes something like this: If we ever decided to send a manned spaceship (generational ship) to ...
2
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0answers
37 views

Detecting light leakage from starshot-like probe

Would we be able to detect the light "leaking" around a light sail, from a startshot like probe, which is launched from a nearby star system towards Earth?
2
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176 views

Did anyone suggest theories on the sounds voyager 1 captured from 2012-2013?

I was watching this on the JPL Youtube channel and it doesn't have much context other than 2 minutes of footage, and cuts to slides with some information, but not a lot of information. I'm wondering ...
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75 views

Are there any modern studies for how to colonize an exoplant involving interstellar travel?

As in the title, are there any modern studies for how to colonize an exoplanet involving manned interstellar travel? By this I mean an academic peer reviewed study. However, it doesn't have to be ...
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193 views

How much D2O does it take to power an interstellar generation ship O'Neill cylinder for 10,000 years?

Did I do the math right? I'm using full precision but write only 2 sig figs. https://en.wikipedia.org/wiki/Nuclear_fusion#Criteria_and_candidates_for_terrestrial_reactions ...
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42 views

Finding way back in Intergalactic travel

Is it possible to create GPS-equivalent system for space travel to guide us in which direction to travel? Assume that if we are able to reach a far-off galaxy millions or billions of light-years away ...