Orders of Magnitude Flashcards
1
Q
Distance to edge of observable universe
A
10²⁶m
2
Q
Distance to Andromeda
A
10²²m
3
Q
Diameter of Milky Way
A
10²¹m
4
Q
Distance to nearest star
A
10¹⁶m
5
Q
Diameter of Solar System
A
10¹³m
6
Q
Distance to Sun
A
10¹¹m
7
Q
Radius of Earth
A
10⁷m
8
Q
Size of a cell
A
10⁻⁵m
9
Q
Size of a hydrogen atom
A
10⁻¹⁰m
10
Q
Size of a nucleus
A
10⁻¹⁵m
11
Q
Size of a proton
A
10⁻¹⁷m
12
Q
Plank length
A
10⁻³⁵m
13
Q
Mass of Universe
A
10⁵³kg
14
Q
Mass of Milky Way Galaxy
A
10⁴¹kg
15
Q
Mass of Sun
A
10³⁰kg
16
Q
Mass of Earth
A
10²⁴kg
17
Q
Mass of empty Boeing 747
A
10⁵kg
18
Q
Mass of an apple
A
10⁻¹kg
19
Q
Mass of a raindrop
A
10⁻⁶kg
20
Q
Mass of a bacterium
A
10⁻¹⁵kg
21
Q
Mass of the smallest virus
A
10⁻²¹kg
22
Q
Mass of hydrogen atom
A
10⁻²⁷kg
23
Q
Mass of an electron
A
10⁻³⁰kg
24
Q
Age of the Universe
A
10¹⁷s
25
Time of travel of light to nearest star
10⁸s
26
1 year
10⁷s
27
1 day
10⁵s
28
Period of heartbeat
10⁰s
29
Period of red light
10⁻¹⁷s
30
Time of passage of light across a nucleus
10⁻²⁴s
31
wavelength of radio waves
10⁰ - 10^9 m
32
wavelength of microwaves
~10⁻3 - 10⁰ nm
33
wavelength of IR waves
~10⁻6 - 10⁻3 nm
34
wavelength of visible waves
just under 10^-6 nm
35
wavelength of UV waves
~10⁻9 - just under 10⁻6 nm
36
wavelength of X rays
~10⁻¹¹ - 10⁻⁸/9 nm
37
wavelength of gamma rays
~10⁻¹⁷ - 10⁻¹¹ nm
38
(exact wavelengths of visible light)
400-700 nm
