Used to add new (often different) information.

Being in attendance; being there; having turned up. Verb tense indicating an action is happening now. To show something to someone who will examine it.

person's name written in distinctive way as form of identification. People's name written in their handwriting.

relating to chemistry. Basic substance produced by mixing elements.

favoured by or involving good luck.

system of millions or billions of stars. A group of stars and planets in space.

star that suddenly increases greatly in brightness because of catastrophic explosion that ejects most of its mass. Large exploding star that is extremely bright.

To control the making a movie or television show.

essential or characteristic part. Essential or particular parts of some things.

To examine something in detail to learn about it.

To think or consider about something over time.

series of actions towards achieving something. Sets of changes that occur slowly and naturally. To deal with official forms in the way required.

all existing matter and space considered as whole.

Being additional or extra. Heavily discounted sales item.

something that is kept or meant to be kept unknown or unseen by others. Information that others do not know.