cosmology

Question 1

Give an example of the passage of time.

Answer 1

The apparent movement of the sun across.

Question 2

What is entropy a measure of ?

Answer 2

Entropy is a measure of disorder

Question 3

How is the universe moving ?

Answer 3

From low entropy to high entropy

Question 4

high entropy

Answer 4

disorder

Question 5

Low Entropy

Answer 5

Order

Question 6

What age is the universe ?

Answer 6

13.8 billion years old

Question 7

What is the speed of light

Answer 7

300,000,000ms -1

Question 8

What is the greatest speed achievable in the universe

Answer 8

The speed of light

Question 9

What do we see when we look back in time

Answer 9

Light from a star in the night sky

Question 10

What is a light year

Answer 10

9.4605284 x 10 15 metres

Question 11

What was Monsignor Georges Lematire theory

Answer 11

The universe was expanding

Question 12

Give two examples of Hubble’s Law

Answer 12

The further away a galaxy is from an observer, the faster it is receding.
All observable galaxies are moving away from each other.

Question 13

When did The Big Bang occur

Answer 13

13.8 billion years ago

Question 14

What were the first particles to from after the Big Bang

Answer 14

Quarks

Question 15

What are the quarks

Answer 15

Up, down, top, charm, strange and bottom

Question 16

What quarks are in a proton

Answer 16

Two ups and a down

Question 17

What quarks are in a neutron

Answer 17

Two downs and an up

Question 18

What does nucleus mean

Answer 18

The centre of an atom

Question 19

Whats an atom

Answer 19

The smallest part of an element, made up of protons, neutrons and electrons

Question 20

What does element mean

Answer 20

Made up of only one type of atom

Question 21

What is meant by the term light year

Answer 21

How far light travels in a year