Sign up and stay connected to your favorite communities.

sign uplog in
16
Stickied post

Please sort comments by 'new' to find questions that would otherwise be buried.

In this thread you can ask any space related question that you may have.

Two examples of potential questions could be; "How do rockets work?", or "How do the phases of the Moon work?"

If you see a space related question posted in another subeddit or in this subreddit, then please politely link them to this thread.

Ask away!

6

Only problem is, the fastest man made object in space has only achieved 3 percent of light speed. I have recently heard of the "Star Shot Intiative", and that made me think of something. If we can propel small space craft to a quarter of light speed or more using laser-based photonic propulsion, then if we could make more efficient and heat resistant sails, in addition to much more powerful lasers, could we not scale up and create what would essentially be interstellar-laser-powered-manned-spacecraft- highways? Can we, in theory, make better sails, better lasers, and then be able to push massive, manned craft through space at high percentages of light speed?

Community Details

14.0m

Subscribers

4.5k

Online

Share & discuss informative content on: * Astrophysics * Cosmology * Space Exploration * Planetary Science * Astrobiology

Create Post

r/space Rules

1.
Submissions must be related to Space/Cosmology
2.
No sensationalist/misleading/unscientific content
3.
No spam/blogspam or paywalled/pirated content
4.
No duplicate or re-hosted content
5.
No memes or low effort/quality images
6.
No low-effort/meme/joke/troll/insult comments
7.
No unscientific or anti-scientific comments