Module 07 · 7 min · Intermediate
Galaxies
How to investigate distant galaxies
Try it: Andromeda across wavelengths
Real tile3.29 / 1.91 / 0.85 µm
False-colour infrared composite
B1 0.75B2 1.11B3 1.66B4 2.44B5 3.83B6 4.434.99 µm
01
Stellar mass light
Near-infrared traces the old stars that dominate a galaxy's mass.
02
SPHEREx cosmology
SPHEREx measures redshifts for hundreds of millions of galaxies to map large-scale structure and test inflation.