This is Impossible

"This is impossible," Sherlock frowned, staring out at the starry night and the blue nebula.
"Not impossible," the Doctor smiled, "Just very improbable,"
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I thought the blue nebula thingy (I'm not an astronomer, I don't know what it is. Let's call it the Blue Blobby Thing) would be the hardest thing, but it was actually the Doctor. Dear timelord, I had to redraw him like ten times. But it's finally uploaded right! Yay!
Please review! Feel free to post on Tumblr! I don't have one, so I need help from others.