origins of our solar system

Mere som dette

The child and his evolution during history.

af Claudia Catalano

element,mixture and compound

af DE CHANG

grade 9 science

af reuben piatigorsky-roth

Organigram

af Farid Asmar

our origins

expanding universe

big crunch

Hubble's discoveries

red shifted galaxies

big bang

hydrogen and helium predominance

backgroudn radiation

14 billions years ago

life on earht

darwin's theory

evolution

luca

habitable planet earth

magnetic field

appearance of water

desent from stars

formation of sun

life cycle os stars

manufacturing of elements

fusion