Please enable JavaScript.
Coggle requires JavaScript to display documents.
state of origin (universe (nebulae (clouds of gas and dust (helium and…
state of origin
universe
galaxies
billions of stars
gravity
stars
hot gaseous spheres
hydrogen and helium
solar systems
planets in orbit around sun
nebulae
clouds of gas and dust
helium and hydrogen
home to stars
distance between objects
light years
all objects exert gravity on other objects in the universe
Big Bang theory
organ of universe & age
expanding of the universe
planets moving away
balloon practical
evidence
redshift
red wavelength light
objects move away from earth
expansion
#
cosmic background radiation
echo
Big Bang
radio waves
theory
refined over time
open to new ideas
needs evidence
reviewed by scientific community
explains origin of the universe and it's age
technological developments
telescopes - Hubble space telescope
optical
visible light
refraction
e.g. Hubble
radio
radio waves
e.g. parkes
infrared
heat --> infrared radiation
e.g. James Webb