ELSCI QUIZ

Also known as “ordinary matter”. Anything made of atoms (or protons, neutrons, electrons)

it is entirely invisible and exerts gravity

it has antigravity and it counters gravity for expansion of the universe

it is an early stage in the star formation process

nuclear fusion of two light atomic nuclei combine to form a single heavier one while releasing massive amounts of energy and makes the energy required by the sun.

A late formation of star. Any star that has a hot, dense core which fuses hydrogen into helium to produce energy

measurement of length. It is the distance it takes light to travel in a year which is equivalent to 9.46 x 10¹² km

cluster of stars

It is the study of the universe

The universe is made of ___ baryonic matter