Questions tagged [interstellar-travel]
Questions about spacecraft journeying to other stellar systems.
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Space travel to distant stars
This is more of a hypothetical question.
Say space travel at near light speed was possible, and I wanted to travel in my spaceship to some distant star many light years away. At the time and location ...
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Is the pulsar map on the Pioneer/Voyager probes only meaningful for earthlings?
The Pioneer probes brought plaques (and later the Voyagers two golden discs) with a "pulsar map" imprinted on them. The purpose of the map is to make the position of the Sun clear for an ...
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how long a light year on earth will seem [closed]
First of all, sorry if this is not the right StackExchange to ask this question, but i don't know a better place (open to suggestion in case).
So, the question:
Suppose that for some reason, we can ...
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Catching up with Hubble domain galaxy at constant acceleration: is it possible? If yes, what time will it be when I arrive?
An elf gave me a magic spaceship for Christmas: it can maintain a thrust of $\alpha = 10\ \mathrm{N/kg}$ indefinitely. Otherwise, I'm still constrained by physics. I plan to set out on a journey into ...
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If FTL travel is possible, can I look back in time to a younger earth? [closed]
For this question assume that.
We found a way to go faster than light.
I build a ship that could go faster than light and go to another planet with this ship in the span of mere hours. The ship was ...
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How do we know about the origin of ʻOumuamua?
How do we know that ʻOumuamua is interstellar and not otherwise? I fail to understand the logic that the extraordinary speed of the object proves it to be of interstellar origin, and that our sun's ...
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Would Bussard Ramjets work in other places in or near the galaxy? [closed]
Sorry if this this doesn't really fit this forum, but WorldBuilding does not like questions like these. I cannot find the minimum density of hydrogen a Bussard ramjet (an interstellar ship propelled ...
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Could there be massive charged “rivers” in interstellar space?
Some suggest that there might be currents of charged particles moving at 0.98c in interstellar space. Since this is tainted by association with the crack “Electric Universe” cosmology, my first ...
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Do interstellar rocks pose a threat to interstellar travel? [closed]
In the recently released movie Passengers the ship hits a chunk of rock about the size of a softball that punches through multiple layers of hull and creates a problem.
Assuming that a spaceship is ...
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Would a spaceship have to evade interstellar clouds?
Apparently, there are clouds of "dust" between the stars. Would a starship have to fly around those clouds, trying to find "tunnels" between clouds, or are the interstellar clouds harmless for a ...
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Special Relativity as Applied to an Interstellar Starship?
I'm once again confused by the twin paradox. Let's say I am on an interstellar starship flying at 0.6c from a star 30 light years away from Earth to a star 50 light years away from Earth and 40 light ...
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Where can I look up the 3D positions of the closest stars? [duplicate]
The problem:
I want to simulate a travel from Earth to the closest 15-25 stars. Which is the fastest way to accomplish this?
What i have:
I currently have the distance between Earth and the nearby ...
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What would happen if a rocket traveling at speed of light would collide with a planet (like earth)? [closed]
Let's assume it is possible for a spacecraft to travel at the speed of light (I've read the interstellar book by Kip Thorne, apparently this is theoretically possible if you swing around two black ...
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Road map for a faster spaceship [closed]
New Horizons, speediest yet, is currently running at about 15 km/sec relative to the sun. What is the roadmap for future ? How is it possible to reach much faster speeds ?
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How will the Breakthrough Initiatives affect other astronomy observations?
BACKGROUND
The Breakthrough Initiatives is in the news because of a $100 million private donation for a SETI project. It doesn't seem to be for building any new observatory (but maybe for buying ...