I hope you guys learned as much reading Giz Explains this year as I did writing them. Here are the best, the ones explaining stuff you absolutely must know.
Best of Giz Explains 2008: Stuff You Absolutely Need to Know
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The closest galaxy to our own is the majestic Andromeda galaxy, a collection of a trillion stars located a "mere" two million light years away. New research suggests that, contrary to previous estimates, this galaxy isn't much bigger than the Milky Way, and is practically our twin. This means our galaxy won't be completely devoured when the two galaxies collide in five billion years.
Star Wars and toys have gone hand in hand ever since the franchise kicked off four decades ago. But usually, it's the movies dictating what we see on store shelves - not the other way around. But in one particularly odd case, it ended up being that way for The Last Jedi.