Metaculus Help: Spread the word
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When will a spacecraft overtake Voyager-1 in distance from the Sun?
News of the human race's recent technological achievements has been spreading outward in the electromagnetic spectrum for decades, in the form of radio/TV transmissions including, importantly, I Love Lucy reruns. There is now a sphere of approximately 100 light-years in radius where, in principle, someone could listen to our radio.
With much smaller radius and much sparser coverage of the surface of the sphere, the news also spreads via actual physical objects that we have launched outward from Earth. If we define this radius by the human-built spacecraft that is most distant from us, then the current winner is Voyager-1, which wrested that title from Pioneer 10 in 1998. Voyager-1 is currently about 13 billion miles away from the Sun, or 141 AU - somewhat less than a light-day. You can get the up-to-date figures here.
Sometimes the fastest way to get somewhere is to wait a few decades and then use the latest technology. So we ask:
When will Voyager 1 lose the title of the spacecraft (built by the human race) that is most distant from the Sun?
We want no restriction on size here for something to count as a spacecraft - we intentionally include nano-probes of the kind proposed by Avi Loeb and Yuri Milner.
Metaculus help: Predicting
Predictions are the heart of Metaculus. Predicting is how you contribute to the wisdom of the crowd, and how you earn points and build up your personal Metaculus track record.
The basics of predicting are very simple: move the slider to best match the likelihood of the outcome, and click predict. You can predict as often as you want, and you're encouraged to change your mind when new information becomes available. With tachyons you'll even be able to go back in time and backdate your prediction to maximize your points.
The displayed score is split into current points and total points. Current points show how much your prediction is worth now, whereas total points show the combined worth of all of your predictions over the lifetime of the question. The scoring details are available on the FAQ.
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Metaculus help: Community Stats
Use the community stats to get a better sense of the community consensus (or lack thereof) for this question. Sometimes people have wildly different ideas about the likely outcomes, and sometimes people are in close agreement. There are even times when the community seems very certain of uncertainty, like when everyone agrees that event is only 50% likely to happen.
When you make a prediction, check the community stats to see where you land. If your prediction is an outlier, might there be something you're overlooking that others have seen? Or do you have special insight that others are lacking? Either way, it might be a good idea to join the discussion in the comments.