basic concepts

Question 1

giga

Answer 1

G 10^9 1000000000

Question 2

mega

Answer 2

M 10^6 1000000

Question 3

kilo

Answer 3

K 10^3 1000

Question 4

hecto

Answer 4

H 102 100

Question 5

deka

Answer 5

Da 10^1 10

Question 6

deci

Answer 6

d 10^-1 0.1

Question 7

centi

Answer 7

D 10^-2 0.01

Question 8

milli

Answer 8

m 10^-3 0.001

Question 9

micro

Answer 9

m 10^-6 0.000001

Question 10

nano

Answer 10

n 10^-9 0.000000001

Question 11

What are the four fundamental forces that emerged after the Big Bang?

Answer 11

Gravity, Electromagnetism, Strong Nuclear Force, and Weak Nuclear Force.

Question 12

What are elementary particles?

Answer 12

The most basic building blocks of matter, such as quarks, electrons, and neutrinos.

Question 13

What is nucleosynthesis?

Answer 13

What is nucleosynthesis?
A: The process of creating new atomic nuclei from pre-existing nucleons (protons and neutrons).

Question 14

What happens during matter/anti-matter annihilation?

Answer 14

What happens during matter/anti-matter annihilation?
A: Particles of matter and anti-matter collide and annihilate each other, releasing energy.

Question 15

What is inflation in the context of the early universe?

Answer 15

A: A rapid expansion of the universe by a factor of 10^26 within 10^−32 seconds.

Question 16

Q: By how much did the universe increase in size during inflation?

Answer 16

A: By a factor of 100,000,000,000,000,000,000,000,000 times (one hundred septillion times).

Question 17

Q: How quickly did inflation occur?

Answer 17

A: In 0.000,000,000,000,000,000,000,000,000,000,01 seconds (ten decillionth seconds).

Question 18

Q: What is the Matter Era?

Answer 18

A: The period approximately 50,000 years after the Big Bang when matter dominated the universe.

Question 19

What significant event happened 370,000 years after the Big Bang?

Answer 19

What significant event happened 370,000 years after the Big Bang?
A: Recombination of electrons and nuclei to form atoms.