Table 1.2

Question 1

Mass in kg of Observable Universe

Answer 1

~ 10^ 52

Question 2

Mass in kg of Milky way galaxy

Answer 2

~ 10^42

Question 3

Mass in kg of Sun

Answer 3

1.99 x 10^30

Question 4

Mass in kg of Earth

Answer 4

5.98 x 10^24

Question 5

Mass in kg of Moon

Answer 5

7.36 x 10^22

Question 6

Mass in kg of Shark

Answer 6

~ 10^3

Question 7

Mass in kg of Human

Answer 7

~ 10^ 2

Question 8

Mass in kg of Frog

Answer 8

~ 10 ^ -1

Question 9

Mass in kg of Mosquito

Answer 9

~ 10^-5

Question 10

Mass in kg of Bacterium

Answer 10

~1 x 10 -15

Question 11

Mass in kg of Hydrogen Atom

Answer 11

1.67 x 10 -27

Question 12

Mass in kg of Electron

Answer 12

9.11 x 10^-31