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Planet Earth

The Space Travelers Web Site!

This is not just science fiction. By Richard Doran

 

Here is a site map for your convenience

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Here is a section map for your convenience

Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto

 

Data about local planets:

 

Earth

Moon

Mars

Diameter (convert to miles)

12,756 KM

3,444 KM

6,794 KM

Period (Earth time relative)

24 hr

N/A

24hr37min/687 E. days

Distance to Sun

149 ee 6 KM

N/A

228 ee 6 KM

Temperature Day/Night

127 F to 136 F

-261 F to 243 F

198 F to 81 F

Gravity

32.2 ft/sec2

5.4 ft/sec2

12.2 ft/sec2

Atmosphere

N2, O2, & H2O

nill

CO2

Atmosphere pressure

1,013 millibar

nill

7 to 10 millibar

Earth has one (1) moon

Escape velocity and voyage velocity for our neighboring planets:

 

Surface Escape Velocity

Earth Launch Velocity

Feet/sec

M/sec

Feet/sec

M/sec

Mercury

13,600

4,145

44,000

13,411

Venus

33,600

10,241

38,000

11,582

Earth

36,700

11,186

N/A

N/A

Mars

16,700

5,090

38,000

11,582

Jupiter

197,000

60,045

46,000

14,020

Saturn

119,500

36,423

49,000

14,935

Uranus

72,400

22,067

51,000

15,545

Neptune

82,100

25,024

52,000

15,849

Pluto

31,200

9,509

53,000

16,154

Pub. McGraw Hill, Author Tyler G. Hicks; Page 8.12 - 8-18; ISBN 0-07-028735-X

Pub. Professional Publications, Inc., Author Michael Lindeburg, P.E. Page 16-9

ISBN 0-912045-72-8

Home References History Rockets Craft Planets Orbits Aliens Future Support Time

Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto