Cosmology - Essential

Question 1

What is the Universe

Answer 1

The Universe is all of Existence - All of Space space and time,matter and entergy within it

Question 2

How old is the Universe

Answer 2

13.7 Billion Years

Question 3

How fast is the speed of light

Answer 3

186,000 miles per second, 670,616,629 mph

Question 4

How many Miles does light travel in a year

Answer 4

5,878 Billion Miles (5.8 Trillion)

Question 5

How many times would light travel round the Earth in 1 second

Answer 5

7.5

Question 6

What is the Diameter of the Earth

Answer 6

480,000 miles

Question 7

How long does it take a space probe to get to the moon

Answer 7

3 days

Question 8

How many miles is Neptune (furthermost planet) from the Sun

Answer 8

2.8 Billion miles

Question 9

What is the closest star system from the Sun

Answer 9

Alpha Centauri

Question 10

How far away is Alpha Centauri

Answer 10

4.35 light Years (25 Trillion Miles)

Question 11

How many Star Systems are there within 20 light years

Answer 11

79 (containing 106 stars)

Question 12

How long ago did the Solar System Form

Answer 12

4.6 Billion Years ago (with the collapse of a molecular cloud)

Question 13

the Solar System contains how many Planets

Answer 13

8

Question 14

The Solar system contains how many moons

Answer 14

194

Question 15

The Solar System contains how many comets

Answer 15

3,583

Question 16

Name the Planets

Answer 16

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Pluto

Question 17

The four smaller inner planets, also known as the “terrestrial planets”, are primarily composed of________

Answer 17

Rock and Metal

Question 18

The two innermost gas giants, Jupiter and Saturn, are the largest of the four outer planets and are composed mainly of _____________

Answer 18

hydrogen and helium.

Question 19

The two outermost gas giants, Uranus and Neptune, are composed largely of________ Together they are referred to as the “ice giants“.

Answer 19

ices (water, ammonia and methane)

Question 20

The size of the Solar System extends to how far

Answer 20

2 light years

Question 21

what are the two regions of asteroids similar to the asteroid belt between Mars and Jupiter

Answer 21

Kuiper Belt

Question 22

How large is the OBSERVABLE universe

Answer 22

93 Billion Light Years

Question 23

How many Galaxys are estimated to be in the observable universe

Answer 23

200 Billion to 2 Trillion (2000 Billion)

Question 24

How may stars could there be in the observable universe

Answer 24

1 Septillion

Question 25

what is the distance between the Milky way and Andromeda

Answer 25

2.5 Million Light years

Question 26

How far is the Sun from Earth

Answer 26

93 million Miles (8 light seconds)

Question 27

How far is Mars from Earth

Answer 27

140 million miles

Question 28

What is the diameter of the Solar System

Answer 28

18.6 Trillion miles (3 light years) to the oort cloud

Question 29

How far is Jupiter from Earth

Answer 29

365 million miles

Question 30

How big is the Milky Way

Answer 30

100,000 light years (600,000 trillion miles)

Question 31

How many stars are there in the Milky way

Answer 31

Between 100 and 400 Billion

Question 32

How long does it take the Earth to orbit the Milky Way

Answer 32

230 Million Years

Question 33

How far is Sirius from Earth

Answer 33

8.6 light years

Question 34

What type of Galaxy is the Milky Way

Answer 34

Bared Spiral Galaxy

Question 35

How long would it take to fly to the sun in a commercial jet travelling at 525 mph

Answer 35

19 Years

Question 36

What is the name of the furthest galaxy ever detected

Answer 36

GN-Z11