See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
10 questions from this quiz
CMB radiation & H/He abundances
Approximately 300,000 years
High-energy gamma radiation
T=2.725T = 2.725T=2.725 K
Isotropic (equal from all directions)
Approximately 10−510^{-5}10−5 K
13.7±0.213.7 \pm 0.213.7±0.2 billion years
73% H, 25% He, 2% other
Approximately 100 seconds
About three minutes
Select your subjects, and get access to A+ resources today.