XIX. Physical Data About Earth Flashcards by Catherine Themis

Q

Equatorial radius

A

6.378137 x 10^6 m

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Q

Polar radius

A

6.356752 x 10^6 m

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Q

Volume

A

1.0832 x 10^21 m3

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Q

Volume of core

A

1.77 x 10^20 m3

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Q

Volume of mantle

A

9.06 x 10^20 m3

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Q

Radius of sphere of equal volume

A

6.3708 x 10^6 m

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Q

Radius of core

A

3.480 x 10^6 m

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Q

Radius of inner core

A

1.215 x 10^6 m

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Q

Mass

A

5.9736 x 10^24 kg

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Q

Mean density

A

5.515 x 10^3 kg/m3

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Q

Mass of core

A

1.883 x 10^24 kg

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Q

Mass of mantle

A

4.043 x 10^24 kg

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Q

Mass of crust

A

2.36 x 10^22 kg

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Q

Equatorial surface gravity

A

9.780326771 m/s^2

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Q

Polar surface gravity

A

9.832186368 m/s^2

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Q

Area

A

5.10 x 10^14 m2

Q

Land area

A

1.48 x 10^14 m2

Q

Continental area (including margins)

A

2.0 x 10^14 m2

Q

Water area

A

3.62 x 10^14 m2

Q

Oceans area (excluding margins)

A

3.1 x 10^14 m2

Q

Mean land elevation

A

875 m

Q

Mean ocean depth

A

3794 m

Q

Mean thickness of continental crust

A

40 km

Q

Mean thickness of oceanic crust

A

6 km

Q

Mean surface heat flow

A

87 mW/m2

Q

Total geothermal flux

A

44.3 TW

Q

Mean continental heat flow

A

65 mW/m2

Q

Mean oceanic heat flow

A

101 mW/m2

Q

Solar constant

A

1373 W/m2

Q

Angular velocity

A

7.292115 x 10^-5 rad/s

Q

Ellipticity coefficient

A

1.08263 x 10^-3

Q

Flattening

A

3.3528106812 x 10^-3

Q

Polar moment of inertia

A

8.0358 x 10^37 kg/m2

Q

Equatorial moment of inertia

A

8.0095 x 10^37 kg/m2

Q

Age of the Earth

A

4.55 Ga