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A 10th Planet in Our Solar System?
Apuleius writes "Here's a BBC story about a planet that may be orbiting the sun at 30,000 AU (Pluto's at 30 AU)...." This new wanderer, which may not have been created during the original formation of our system, according to the story, orbits the Sun backwards compared to the other planets. There's one in every crowd, isn't there?
Hey, but maybe we have something useful to send a probe to now past Pluto.
With a distance of almost half a light year, we'd either have to be very patient or come up with a method to send a probe much faster. (And, then, after we've figured that out, we can be about a dozen times as patient and send a probe to the nearest star.)
At the very least, it's far enough away that the fastest way to get there is to spend quite some time coming up with a faster way to send things there. (Orbital rail-gun, anybody?) I mean, seriously -- get something started at about 1800 miles per second (fast enough to get to the sun in 13 hours) and it'd still take you almost 50 years. Take 10 years to come up with something twice as fast and you'd get your probe there 15 years earlier.
In other words, it's a bit distant to be trying to send probes there just yet.