In the past few years, I’ve developed a fear of being sucked up into the sky. I can’t look straight up into the sky without getting weak at the knees and feeling like I’m having a mini anxiety attack. For some reason, I can still look across the horizon and be fine. It’s just looking directly above me that does it. I’m afraid gravity will suddenly stop and everything, including me, will shoot up into the sky. That we will all burn up in the atmosphere. And if not that, we will lose our breath in the black of space.
Someone on Yahoo! Answers described it pretty well here.
I also lose my breath, in the bad way, when looking at enlarged photographs of space. My life.