stable subatomic particle occurring in all atomic nuclei, with positive electric charge equal in magnitude. Tiny part of atom with positive electrical charge.

flattened by pressure. To make smaller; reduce in time, size etc..

clear and transparent. A solid formed by the solidification of a chemical.

extending or directly underneath something. Under; In or to a lower position; below.

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

Charge and mass about equal to a proton; enters into the structure of the atomic nucleus.

result or effect.

remaining alive. To continue to live despite illness or trouble.

That is likely to happen or be true.

To know the meaning of language, what someone says.

Having great power to attract attention, interest.

Concerning or involving the center of an atom.

Magazine of academic papers. write in journal or diary.

Characteristic of being firm but easily broken.

arrange systematically.