The Earth


Being our home planet we know more about our own world than any other celestial body.

The Earth is the 3rd planet in the Solar System.

It has one natural satellite called the Moon.


Physical Parameters

Diameter 1,2756 kilometres
Oblateness 0.0034
Mass 5.972 x 1024 Kilograms
Volume 1.084 x 1012 cubic kilometres
Density 5.52 x (the density of water)
Surface Gravity 9.78 metres per second per second
Escape Velocity 11.18 kilometres per second
Axial inclination 23.44º
Albedo 0.29

Global Warming

It appears that our planet is getting warmer. Many claim that this is because of industrial pollution, others that this is a normal cycle that the planet goes through. One thing is clear - the threat is very real.

GLOBAL WARMING HITS EVEREST

A glacier from which Sir Edmund Hillary and Tenzing Norgay set out to conquer
Mount Everest nearly 50 years ago has retreated three miles up the mountain
due to global warming, a U.N. body says.

[CNN News Reports]


ALPHASTRO: Bringing The Universe To Your Desktop

Alphastro aims to present an up-to-date view of the Universe using specially written web pages and links to other Internet sites that are regularly updated. In addition to providing the latest facts, Alphastro is building up a search tool of Internet resources about astronomy and spaceflight.

  1. General Summary of news about astronomy and spaceflight plus miscellaneous items.
  2. The Alphastro Guide To The Solar System The latest information about all bodies in the Solar System with associated internet links and books for sale.
  3. The Alphastro Guide To Deep Space The latest information on all bodies outside the Solar System with associated internet links and books for sale.
  4. The Alphastro Launch Log A manifest of every launch and current status of all artificial satellites and manned spaceflight with associated internet links and books for sale.
  5. The Alphastro Bookshop Buy the latest books on astronomy, space research and associated subjects.
  6. Science Fiction @ Alphastro Buy books, videos and memorabillia on Science Fiction

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