momentary or partial view. see or perceive briefly.

expert in or student of astronomy. Scientist studying stars and other bodies in space.

sentence worded or expressed so as to elicit information. Issues or problems you are dealing with. To have or express concerns or uncertainty.

likely or prone to be affected by. conditionally upon. An area of study at school, e.g. math, history. To cause to suffer or experience something.

Used to add new (often different) information.

small, narrow river. Small rivers. To send a constant flow of data over the internet.

The way a person or thing acts; manner.

person who watches or notices. People whose job it is to watch or notice things.

Things surrounding a person, affecting their life.

positioned in or relating to sky, or outer space as observed in astronomy.

of very distant past. old man.

undergoing natural development by increasing in size and changing physically. Act of cultivating plants for food. To get bigger and more mature; make plants do this.

To contain, hold, include, or hide something.

document giving authorization. Pieces of paper giving you rights to do some things. allow to do something.

celestial body moving round star. One of the bodies that orbit the sun.