WORD DRILLING:

physicist - a scientist who studies physics

chip away - to remove, take away, or withdraw gradually

exclusion - the act of preventing somebody/something from entering a place or taking part in something

thesis - a long piece of writing completed by a student as part of a university degree, based on their own research

cosmic rays - connected with the whole universe

era - a period of time, usually in history, that is different from other periods because of particular characteristics or events

cusp - a pointed end where two curves meet

pi-mesons - Pi mesons, or π-mesons, are short-lived sub-atomic particles produced when matter is bombarded by high-energy protons or photons, with negative π-mesons being approximately 250 times heavier than electrons.

spanned across - to extend over, reach across, or cover a distance, area, or period of time

legacy - money or property that is given to you by somebody when they die

constellation - n. - a group of stars that forms a shape in the sky and has a name

radiant - adj. - showing great happiness, love or health, giving a warm bright light

luminary - n. - a person who is an expert or a great influence in a special area or activity

pivotal - of great importance because other things depend on it

subsequent - adj. - happening or coming after something else

pursue - to do something or try to achieve something over a period of time

eventually - at the end of a period of time or a series of events

Our flight eventually left five hours late.

pioneer - adj. - a person who is the first to study and develop a particular area of knowledge, culture, etc. that other people then continue to develop

HOMEWORK:

Make sentence in your own words.

pursue:

eventually:

subsequent:

pioneer: