Undergrad A Mind-Boggling Number Comparison

  • Thread starter Thread starter peanutaxis
  • Start date Start date
peanutaxis
Messages
26
Reaction score
3
The universe is ~10^17 seconds old.

There are ~10^23 atoms in just 12g of carbon.
 
Space news on Phys.org
And the observable universe is about 8.8x10^23 km in diameter.
 

Similar threads

High School Big Bang: Size of the Universe at Different Epochs
  • · Replies 58 ·
2
Replies
58
Views
7K
High School Do Fictional Worlds Exist in the Multiverse?
  • · Replies 8 ·
Replies
8
Views
5K
Undergrad Some questions about Cosmic Inflation
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Qs re the behavior of atoms after decoupling completed
  • · Replies 1 ·
Replies
1
Views
2K
Visualizing 4D Euclidian Space: A Book for Mind-Boggling Effects
  • · Replies 12 ·
Replies
12
Views
2K
Undergrad How do you calculate the cool-down rate of the Universe?
  • · Replies 7 ·
Replies
7
Views
2K
Number of Particles in Universe: Protons, Neutrons, Electrons
  • · Replies 16 ·
Replies
16
Views
2K
Undergrad What is the density of hydrogen atoms in the Universe?
  • · Replies 3 ·
Replies
3
Views
2K
Elastic Collision of Hydrogen and Carbon Atoms
  • · Replies 9 ·
Replies
9
Views
2K
High School Calculating Time to Reach 100,000 Trillion Meters in Hubble Flow | PF Forum
  • · Replies 5 ·
Replies
5
Views
2K