Comets go missing. Yes, we know that sounds weird. Comets are huge and have distinctive tails, so they tend to stand out. And it isn’t like they can be stolen by aliens, or something. Nevertheless, sometimes they just disappear. Missing comets are a puzzle to astronomers. Most of the time, they…
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The race to colonize Mars is ongoing. However, it is not as easy as sending over people to live in igloo cities. We’ve already discussed the obstacles that astronauts must overcome on a voyage to Mars. But there’s far more to mystify us and conquer once we get there. The Red Planet’s geology is not…
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