BIG NUMBERS Flashcards

don't fucking forget these

1
Q

Equatorial radius

A

6378 km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Polar radius

A

6357 km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Radius of sphere with Earth’s volume

A

6371 km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Volume (Earth)

A

1.083 * 10^12 km^3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Surface area (Earth)

A

5.1 * 10^8 m^2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Percent surface area of oceans

A

71%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Percent surface area of land

A

29%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Average elevation of land

A

623 meters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Average depth of oceans

A

3600 m (3.6 km)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Total mass of Earth

A

5.976 * 10^24 kg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Mean density of Earth

A

5.517 g/cm^3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Gravity at equator

A

9.78 m/s^2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Mass of atmosphere

A

5.1*10^18 kg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Mass of ice

A

25 to 30 * 10^18 kg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Mass of oceans

A

1.4 * 10^21 kg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Mass of crust

A

2.5 * 10^22 kg

17
Q

Mass of mantle

A

4.05 * 10^24 kg

18
Q

Mass of core

A

1.90 * 10^24 kg

19
Q

Continental crust thickness

A

40 km

20
Q

Oceanic crust thickness

A

6 km

21
Q

Earthquake depth (continental)

A

2-20 km

22
Q

Earthquake depth (oceanic)

A

300-700 km