Lengths, Mass, and Time Intervals

Question 1

Distance from the Earth to the most remote known quasar (black hole)

Answer 1

1.4 x 10^26

Question 2

Distance from the Earth to the most remote known normal galaxies

Answer 2

9 x 10^25

Question 2

Distance from the Earth to the nearest Large galaxy

Answer 2

2 x 10^22

Question 3

Distance from the Sun to the nearest star (Proxima Centauri)

Answer 3

4 x 10^16

Question 3

One lightyear

Answer 3

9.46 x 10^15

Question 4

Mean orbit radius of the Earth about the Sun

Answer 4

1.5 x 10^11

Question 5

Mean distance from the Earth to the Moon

Answer 5

3.84 x 10^8

Question 6

Distance from the equator to the North Pole

Answer 6

1 x 10^7

Question 6

Mean radius of the Earth

Answer 6

6.37 x 10^6

Question 7

Typical altitude (above the surface) of a satellite orbiting the Earth

Answer 7

2 x 10^5

Question 8

Length of a housefly

Answer 8

5 x 10^-3

Question 8

Length of a football field

Answer 8

9.1 x 10^1

Question 8

Size of smallest dust particles

Answer 8

~ 10^-4

Question 8

Size of cells of most living organisms

Answer 8

~ 10^-5

Question 9

Diameter of a hydrogen atom

Answer 9

~ 10^-10

Question 10

Diameter of an atomic nucleus

Answer 10

~ 10^-14

Question 11

Diameter of a proton

Answer 11

~ 10^-15

Question 12

Mass of Observable Universe

Answer 12

~10^52

Question 13

Mass of Milky Way Galaxy

Answer 13

~ 10^42

Question 14

Mass of the Sun

Answer 14

1.99 x 10^30

Question 15

Mass of the Earth

Answer 15

5.98 x 10^24

Question 16

Mass of the Moon

Answer 16

7.36 x 10^22

Question 16

Mass of Frog

Answer 16

~ 10^-1

Question 16

Mass of Shark

Answer 16

~ 10^3

Question 16

Mass of Mosquito

Answer 16

~ 10^-5

Question 16

Mass of Human

Answer 16

~ 10^2

Question 17

Mass of Bacterium

Answer 17

~ 1 x 10^-15

Question 17

Mass of Hydrogen Atom

Answer 17

1.67 x 10^-27

Question 17

Mass of Electron

Answer 17

9.11 x 10^-31

Question 18

Age of the Universe

Answer 18

5 x 10^17

Question 18

Age of the Earth

Answer 18

1.3 x 10^17

Question 18

Average age of a College Student

Answer 18

6.3 x 10^8

Question 19

One year

Answer 19

3.2 x 10^7

Question 20

One day (one revolution of the Earth about its axis)

Answer 20

8.6 x 10^4

Question 21

One class period

Answer 21

3 x 10^3

Question 22

Time interval between normal heartbeats

Answer 22

8 x 10^-1

Question 23

Period of audible sound waves

Answer 23

~ 10^-3

Question 23

Period of typical radio waves

Answer 23

~ 10^-6

Question 24

Duration of a nuclear collision

Answer 24

~ 10^-22

Question 24

Period of vibration of an atom in a solid

Answer 24

~ 10^-13

Question 24

Period of visible light waves

Answer 24

~ 10^-15

Question 25

Time interval for light to cross a proton

Answer 25

~ 10^-24