How is planet Earth similar and different from Venus and Mars? Provide possible explanations for your observations using the information in the table.

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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  1. How is planet Earth similar and different from Venus and Mars?
  2. Provide possible explanations for your observations using the information in the table.

 

VENUS
EARTH
MARS
Mass (1024kg)
Diameter (km)
Density (kg/m3)
Gravity (m/s2)
Escape Velocity (km/s)
Surface pressure (bars)
Composition of atmosphere
Major Greenhouse Gases(GHG)
Mean Temperature (OC)
Temperature if no greenhouse gases are
0.642
6792
4.87
5.97
12,104
12,756
5514
5243
3933
8.9
9.8
3.7
10.4
11.2
92
1
0.01
96% CO2, 3.5% N
77%N, 21% O2, 1%Ar
CO2 H2O
95%CO2, 2.7%N, 1.6%Ar
CO2
CO2
464
15
-65
-46
-18
-57
present
Changes in Temperature (OC) due
greenhouse gases
Distance from the Sun (106km)
Orbital Period (days)
Orbital Velocity (km/s)
Length of day (hours)
Global Magnetic Field
to
+523
+33
+10
108.2
149.6
227.9
365.2
29.8
224.7
687
35
24.1
2802
24
24.7
No
Yes
No
Comparison of the features of Venus, Earth, and Mars
(National Aeronautics and Space Administration, 2015)
Transcribed Image Text:VENUS EARTH MARS Mass (1024kg) Diameter (km) Density (kg/m3) Gravity (m/s2) Escape Velocity (km/s) Surface pressure (bars) Composition of atmosphere Major Greenhouse Gases(GHG) Mean Temperature (OC) Temperature if no greenhouse gases are 0.642 6792 4.87 5.97 12,104 12,756 5514 5243 3933 8.9 9.8 3.7 10.4 11.2 92 1 0.01 96% CO2, 3.5% N 77%N, 21% O2, 1%Ar CO2 H2O 95%CO2, 2.7%N, 1.6%Ar CO2 CO2 464 15 -65 -46 -18 -57 present Changes in Temperature (OC) due greenhouse gases Distance from the Sun (106km) Orbital Period (days) Orbital Velocity (km/s) Length of day (hours) Global Magnetic Field to +523 +33 +10 108.2 149.6 227.9 365.2 29.8 224.7 687 35 24.1 2802 24 24.7 No Yes No Comparison of the features of Venus, Earth, and Mars (National Aeronautics and Space Administration, 2015)
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