this post was submitted on 21 Jun 2025
57 points (96.7% liked)

Science

16071 readers
24 users here now

Subscribe to see new publications and popular science coverage of current research on your homepage


founded 6 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
[–] [email protected] 8 points 6 days ago (2 children)

A bridge, you say? Then we can cross to other galaxies! Our overpopulation problems are solved!

On a more serious note, I wonder how much this would increase our ability to cross the gulfs. Assuming we could eventually build machines that can endure for hundreds of thousands of years, would the presence of a gas bridge would make ramscoops a more viable intergalactic option?

[–] [email protected] 1 points 5 days ago (2 children)

...for those distances we're talking hundreds of millions of years at relativistic velocities, even billions...

[–] [email protected] 1 points 4 days ago (1 children)

Wouldn't the ship itself perceive a lot less of that time compared to an external point of reference?

[–] [email protected] 1 points 4 days ago

...that's correct: i assumed 0.01c and didn't adjust for time dilation, which can drastically affect the calculations depending upon how far we push relativistic super-science, although the required energies are commensurately absurd...

[–] [email protected] 2 points 5 days ago (1 children)

The Canis Major Dwarf Galaxy is only 25,000 ly from Earth. Assuming constant acceleration, and sufficient technology to protect and keep things running for all that time - no mean feat - reaching a substantial percentage of light should make that reachable within a hundred or so thousand light years, even with a flip and slow-down halfway.

Seque 1 is only 75k ly.

Andromeda is much farther; I didn't catch it in the article, but I got the impression the strands were identified between the more local clusters.

[–] [email protected] 2 points 4 days ago* (last edited 4 days ago) (1 children)

...satellite galaxies != galaxy clusters; andromedia is 2.5 million light-years distant and the cluster in this study is about ten times that size, 23 million light-years across...

[–] [email protected] 1 points 4 days ago

Well, there go my vacation plans.

[–] [email protected] 10 points 6 days ago (2 children)

Stuff lasting that long? Capitalism will never allow it!

[–] [email protected] 2 points 4 days ago

Imagine cashing in on a 100k year voyage which will only probably go wrong 10k-99.9k years after you die. Easy money for a capitalist, even if it involves making a vessel that can last that long

[–] [email protected] 2 points 5 days ago (1 children)

"This is Joe from Amazon Hyperdrives, I'm calling about your centennial warranty renewal."

[–] [email protected] 2 points 4 days ago

The future is NOW...NOw...Now...now...~now...~^now...^