About What Was the Temperature of the Universe When a Typical

question 91

Multiple Choice

About what was the temperature of the universe when a typical CBR photon was no longer able to spontaneously create an electron and positron pair?

• A) 1000 K
• B) 100,000 K
• C) 1 million K
• D) 1 billion K

---

Definitions:

Ambrosia

In mythology, ambrosia is often considered the food or drink of the gods, granting longevity or immortality upon consumption.

Ambrosia

In classical mythology, the food of the gods, or in general usage, something extremely pleasing to taste or smell.

Rocks Oxidize

The chemical process where rocks react with oxygen, leading to changes in their mineral composition and often causing them to weaken or crumble.

Earth's Surface

The outermost layer of the Earth, consisting of the crust and parts of the upper mantle that interact directly with the biosphere and atmosphere.