Okay so someone clearly failed their astronomy homework because Sirius isn't moving toward us at all—it's actually moving away at about 5.5 km/s! But let's play along with the joke: "Sirius trouble" is genuinely one of the best astronomy puns I've seen in a while. The idea that our brightest night star could somehow zoom toward Earth like a cosmic missile is absolutely ridiculous, but also hilarious.
Fun fact: Sirius is only 8.6 light-years away and is called the "Dog Star" because it's in the constellation Canis Major (Big Dog). So if it WERE coming at us at 9 miles per second, we'd have about 60,000 years to prepare for our "Sirius trouble." Plenty of time to stock up on dog treats, I guess?
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