cylindrical projectile that can be propelled to great height or distance by combustion of its contents. Powerful engines that releases hot gases. To travel, increase, or rise very quickly.

At first; in the beginning.

statement that two values are equal.

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

To do something without stopping, or after pausing.

Person who travels in space.

Grown bigger, older and more mature. To create or think of something.

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

move in orbit round.

Influencing someone to do something (good).

gladly received. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. greet someone arriving in polite or friendly way.

Being peaceful or well managed. Organized in a way that makes sense or is neat. Kind of soldier who helps an army officer.

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

Concerning an orbit. 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. To put a ship into the water for the first time.