Australian National University
The Big Bang
Time
Space
Atoms formed
Plasma
The Big Bang
First stars formed
Make atoms back to plasma ("reionisation")
The Big Bang
First galaxies
("city of stars")
Galaxies evolve
The Big Bang
First galaxies
("city of stars")
Milky Way today
Planetary systems
The Big Bang
Galactic Archaeology
(Understanding the evolution of the Milky Way)
The Big Bang
Early galaxy evolution
The Big Bang
Early galaxy evolution
Optical
UV
Infra-red (IR)
2.4m
6.5-10m
Light collecting power = area of the mirror
Ground base telescope is >10 times faster
6.5m !
Time Since Big Bang [ billion years ]
0.3
0.4
0.5
0.6
1
Hubble Space
Telescope
The Big Bang
First stars formed
Make atoms back to plasma ("reionisation")
James Webbs
Old Spitzer Space Telescope
From the ground
James Webbs
James Webbs
Old Spitzer Space Telescope