Earphone definition, a sound receiver that fits in or over the ear, as of a radio or telephone. See more.
Answer Wiki. If a rocket went straight up, it would either continue in that direction and leave Earth, or it would fall back down, depending on its velocity. Most rockets intend to enter orbit, which is an elliptical trajectory, and it's much more efficient to arc into this trajectory than to go straight up and then accelerate laterally.
Answer: (short answer) Wow, that's a great question, but a difficult one. The simple, rough answer is that the moon would be up in the sky for about 2 weeks at a time, and then it wouldn't be up in the sky for the next 2 weeks.