origins of our solar system

Mai multe ca acesta

Public Speaking

creat de Andrea Morales

Tree organigram

creat de Madilyn Carney

Evolution of Mankind

creat de Benjamin Lundy

welcome to chemistry

creat de Husein Hafsah Bint

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