cylindrical projectile that can be propelled to great height or distance by combustion of its contents. Weapons shaped like a long tube carrying bombs. To travel, increase, or rise very quickly.

from or in beginning.

statement that two values are equal.

having paid employment. action of doing work. To operate a machine or device.

persist in activity.

Person who travels in space.

advanced or elaborated to specified degree. To grow bigger, more complex, or more advanced.

used for emphasis with following adjective functioning as adverb. thing that is unspecified or unknown.

To go around another object (often in space).

providing or showing creative or spiritual inspiration.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To accept or receive something happily and gladly.

Being peaceful or well managed. Organized in a way that makes sense or is neat. hospital attendant.

Someone who goes to a place to see it (or someone).

relating to orbit or orbits. each of actual or potential patterns of electron density that may be formed in atom or molecule by one or more electrons.

act of launching. Acts of firing rockets into the air. set boat in motion.