Scientific Speculation - Posts tagged space-travel

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Avoiding Incidental Ion Drive damage to Following Vehicles?

1 answer · last activity 29 days ago by dmckee

space-travel ion drive

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What would one experience travelling through an invisible Krasnikov tube, and how much could they be used to cut travel times?

1 answer · last activity about 1 month ago by wizzwizz4

science-based faster-than-light space-travel

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Could special relativity be caused by aliens jamming the Solar System?

8 answers · last activity 3 months ago by o0'.

space travel science-based space-travel relativity

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Would Alcubierre Drive Technology Allow for Artificial Event Horizons?

1 answer · last activity 3 months ago by FlyingLemmingSoup

travel science-based technology faster-than-light space-travel science-fiction

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Alcubierre Drive without FTL?

6 answers · last activity 3 months ago by Tim McClelland

space travel reality-check space-travel

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Cylindrical radiators on spacecraft?

2 answers · last activity 3 months ago by zertofi

space travel reality-check spaceships space-travel ships science-fiction

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How can a massive ship be partially destroyed in reentry, but have the top part still intact?

7 answers · last activity 3 months ago by Topcode

space travel spaceships space-travel ships re-entry

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The economics of laser sails vs fusion rockets

4 answers · last activity 3 months ago by Adam Reynolds

space travel space-travel economy

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Would it make sense to send potential human colonists on the initial manned expedition to a habitable, Earth-like planet?

5 answers · last activity 3 months ago by Space_Cadet

space travel planets space-travel colonization space-colonization

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Where would a technologically advanced group of people forced into space by a calamity obtain water from?

7 answers · last activity 3 months ago by Niobium_Sage

space travel water space-travel food colonization space-colonization shipbuilding

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Would would occur if a person travelled from a wormhole in flat empty space, to one on Earth?

1 answer · last activity 4 months ago by MrKred

space travel space-travel wormholes interstellar-travel interstellar

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How would one detect a black hole when there are no more light sources for it to refract?

5 answers · last activity 4 months ago by In the name of the story

space travel spaceships space-travel black-holes ships science-fiction

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Why would a sleeper ship be designed to only wake one person in case of emergency?

36 answers · last activity 4 months ago by Joe Bloggs

space travel space-travel colonization cryogenics

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What laws of physics would need to be broken in order to travel in space faster?

4 answers · last activity 4 months ago by LukeN

space travel science-based spaceships space-travel ships science-fiction

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Would it be possible to build numerous spaceships that could transport 10 million people in the late 2100's?

2 answers · last activity 4 months ago by Niobium_Sage

space travel reality-check spaceships space-travel food space-constructs ships

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Despite almost zero energy consumption why does my spaceship scheduled cryostasis in shifts?

12 answers · last activity 4 months ago by user6760

space travel technology space-travel cryogenics

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Minimal mass of an Earth-like satellite to seriously deter space travel?

1 answer · last activity 4 months ago by Udon Nomaneim

space travel orbital-mechanics space-travel satellites city escape velocity

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What FTL models are appropriate given my constraints?

5 answers · last activity 4 months ago by John O

space travel faster-than-light space-travel light science-fiction

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How can I estimate the maximum mass that can be safely handled in low to no g?

5 answers · last activity 4 months ago by Joe Bloggs

space travel space-travel safety

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How did aliens on a habitable planet hide themselves during the recon and scouting stage by human colonists?

12 answers · last activity 4 months ago by Faz

space travel biology planets space-travel xenobiology

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Building a spaceship alone in the wilderness

11 answers · last activity 4 months ago by TCC

space travel reality-check space-travel space-constructs technological-development

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How close an orbit could you get to Earth with a planet-sized object/ship without severely disrupting Earth's orbit?

3 answers · last activity 4 months ago by DWKraus

space travel spaceships orbital-mechanics space-travel ships

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Building an interstellar starship during transit

5 answers · last activity 5 months ago by Adam Reynolds

space travel reality-check spaceships space-travel ships

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Would near-lightspeed spaceships have an aerodynamic shape?

9 answers · last activity 5 months ago by Anixx

space travel spaceships space-travel ships

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How can space cop arrest the suspicious spacecraft moving at sub-luminal velocity?

6 answers · last activity 5 months ago by user6760

space travel spaceships technology space-travel ships ice police

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What would be the maximum distance from which a space ship could physically see a planet?

7 answers · last activity 5 months ago by Primordial

space travel spaceships space-travel ships science-fiction

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On our way to Mars: how do we do the laundry?

13 answers · last activity 5 months ago by L.Dutch - Reinstate Monica

travel science-based technology space-travel

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How do you send out SOS in space if there is no absolute coordinate?

9 answers · last activity 5 months ago by user6760

space travel spaceships technology communication space-travel ships

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What are some ways to hide a planet?

11 answers · last activity 5 months ago by Primordial

space travel planets technology space-travel

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Relativity, Time Dilation and multiple reference frames

3 answers · last activity 5 months ago by Budders

space travel science-based physics space-travel relativity science-fiction

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Fusion- or antimatter-powered propulsion: Which one will we likely develop first?

4 answers · last activity 5 months ago by Jem

space travel space-travel fusion propulsion

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How can paleolithic humans colonise the stars without direct help from aliens and still be primitive?

27 answers · last activity 6 months ago by PStag

space travel space-travel firstcontact

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How can I explain space travel being accepted and supported in a typical fantasy setting?

6 answers · last activity 6 months ago by aCVn

space travel space-travel science-fiction

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Of all methods of FTL travel (or as close as one can get to it), what would be the most feasible to have been invented in the next 100 years?

2 answers · last activity 6 months ago by ZarHakkar

space travel science-based spaceships technology space-travel ships

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How quickly could a spaceborne missile accelerate?

6 answers · last activity 6 months ago by Z.Schroeder

space travel space-travel weapon-mass-destruction

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Observing a planet without contaminating it in anyway?

2 answers · last activity 6 months ago by DT Cooper

space travel biology space-travel xenobiology

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What are the odds that an alien spaceship entering a low Earth orbit would collide with an orbiting body?

4 answers · last activity 6 months ago by WhittlesJr

space travel orbital-mechanics space-travel satellites

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How would aliens abduct an entire nation of millions from a planet?

7 answers · last activity 6 months ago by LukasExemplar

space travel society technology space-travel economy transportation science-in-society transport

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Would it be possible with current rocketry to go from Earth to Mercury and then come back?

4 answers · last activity 6 months ago by Davi

space travel science-based space-travel rockets

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Why would a spaceship rely on hydroponics instead of algae for food?

3 answers · last activity 6 months ago by Richard Smith

space travel biology science-based culture space-travel agriculture

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Would it be more efficient to build fleets in orbit?

9 answers · last activity 6 months ago by user6760

space travel spaceships technology orbital-mechanics space-travel shipbuilding ships

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Inhabiting Mars versus going straight for a Dyson swarm

6 answers · last activity 6 months ago by Rohit Pandey

space travel planets society dyson-spheres space-travel mars science-in-society

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Perfect centrifuge crew quarters for a interstellar spaceship?

4 answers · last activity 6 months ago by Borbman

space travel science-based spaceships space-travel ships science-fiction vehicles

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What would the view from a spaceship traveling through inter-galactic space look like?

1 answer · last activity 6 months ago by marmel

space travel science-based faster-than-light space-travel light galactic

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Are (near) instant data transfers feasible on an intergalactic scale?

4 answers · last activity 6 months ago by Plutian

space travel science-based physics communication space-travel colonization space-colonization astrophysics

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What would people on multi-generational ships eat?

5 answers · last activity 6 months ago by happyhacker

space travel space-travel

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Designing a biological drop pod?

3 answers · last activity 6 months ago by System

space travel biology space-travel colonization space-colonization xenobiology vehicles

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Why don't ejectable fission reactors proliferate if meltdown is still a concern?

1 answer · last activity 6 months ago by user6760

space travel spaceships technology space-travel ships fission

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Low-efficiency fusion propulsion?

2 answers · last activity 6 months ago by Jake

space travel reality-check science-based technology space-travel fusion

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Base on the Moon for interplanetary travel

2 answers · last activity 7 months ago by Maxim Zabolotskikh

space travel moons space-travel