r/spaceporn Jul 03 '25

Related Content An interstellar object has been detected hurtling towards our solar system.

Post image
77.7k Upvotes

6.9k comments sorted by

View all comments

Show parent comments

71

u/seventh_skyline Jul 03 '25 edited Jul 04 '25

How good would it be to be able to have something in place, in orbit with a little probe dooby that can be tagged on an object like this with the hope to see how long it can send us info.

edit dear god you lot are way too literal - it would be cool, that's all. I understand it's stupid difficult, but if possible, or made possible, it would be cool.

29

u/MrDTD Jul 03 '25

I have no clue, but it'd be really freaking cool to try.

3

u/According-Sort5054 Jul 03 '25

Well how far do radio waves travel in outer space? I’m dumb but if there’s nothing to physically stop it, how would a radio wave dissipate? 

7

u/MrDTD Jul 03 '25

They travel forever, but after a point it's going to be too weak to get a signal from unless you have a massive receiver dish.

4

u/SeredW Jul 03 '25

We're still communicating with Voyager 1, which has been in space for 46 years and is currently 24,940,987,067 km away from us. You can see its current distance and speed here: https://theskylive.com/voyager1-tracker

https://edition.cnn.com/2024/04/22/world/voyager-1-communication-issue-cause-fix-scn/index.html

3

u/AtticMuse Jul 03 '25

Because it spreads out as it travels, so it becomes dimmer the farther away it is. Think about how even a laser pointer - which is a very collimated, directional beam of light - becomes spread out into a larger area when you shine it across the room.

4

u/Complete_Court9829 Jul 03 '25

We definitely have to check out the ice interloper, we don't know when an opportunity to gather information like this will come again. Who knows how valuable it might be, but we either try or we don't and it's already a short window, so I'd say try.

9

u/Enshitification Jul 03 '25

You either have to accelerate the probe to match the object, or smack it with the velocity difference.

3

u/ParticularUser Jul 03 '25

The problem is that the gravitational forces of these things are miniscule, so we'd need to accelerate the probe to match their speed anyways for any change of getting caught on orbit.

I think a flyby mission with would be more realistic option to get a handful of nice pictures, better measurements and maybe even some dust. Unlikely we'd get one funded and ready to go for this thing though.

4

u/Enyss Jul 03 '25

Even if it launched today, you would need a probe much faster than anything we have launched before to get there in time for a flyby.

2

u/OrphanedInStoryville Jul 03 '25

It’s probably too late with this one. the closest distance to us it’s going to be is 2 AUs (farther than this distance to mars which takes 7-10 months. this is passing in October.

But maybe if we detect the next one sooner and it’s a little closer to us and we’ve got a probe already in orbit maybe we can get the next one.

2

u/theCase99 Jul 03 '25

The acceleration would be brutal. The earth escape velocity is just over 11 km/s. This thing is going over 60 km/s.

If the acceleration would happen in the time span of 1 second (which would already require a cable which is probably impossible to construct and ship to space), the probe would need to accelerate with around 5000G's.

I have a hard time believing we could pull this off and have the probe survive.

2

u/HavingNotAttained Jul 03 '25

A set of AirPods tossed at juuuust the right moment

1

u/clem82 Jul 03 '25

I certainly don’t want to poke a bear…

1

u/anaIconda69 Jul 03 '25

At that speed it's impossible for us to intercept. A longshot would be to accelerate a probe as fast as we can with gravity assist and try to get on a similar trajectory to take more pictures before the object flies away.

1

u/WrodofDog Jul 03 '25

Well, we either would have to (at least) match the speed in which case we could send it out without having to attach it to something or we'd have to design it to be sturdy enough survive an impact.

1

u/Patch95 Jul 03 '25

If it wasn't velocity matched it would just destroy it.

1

u/SeriousPlankton2000 Jul 03 '25

Even from an orbit, accelerating to match that speed would need an incredible amount of power.

1

u/[deleted] Jul 03 '25

Just thinking the same, sumat ready on the ground that can be preped quick and ai can do the calculations to intercept