PLANET SEARCH

FUTURES:
Winner of Sir Arthur Clarke Award for 'Best Written Presentation', 2005

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Earth (1)
Our Home World
  • Diameter: 7,926 miles/12,756 km
  • Distance from Sun: 93 million miles/150 M km
  • Length of Year: 365.24 days
  • Rotation: 23 hours 56 minutes
  • Gravity (x Earth's): 1!
  • Axial Tilt: 23.5 degrees
  • Average Temperature: 17C

I have also produced many pictures on earth-based interests, like volcanos and eclipses. Some of the images listed below can also be seen in other pages.

The ERS-1 and ERS-2 satellites (launched by Ariane in 1995) work together to monitor climate change. including global warming and the 'ozone holes'. (Courtesy BNSC)

 ERS satellites

When space tourism becomes possible for other than millionaires, one of its attractions will be the sight of our own magnificent planet from space. A modest telescope will allow close-up views of almost any place required. . . (From the private collection of Thomas Cook.)

 Cook Wheel
. . however, just as on Earth itself when trying to see objects in space, any such view will be courtesy of the clouds which constantly move over its surface! Here we see an Apollo asteroid passing by. One day such a body will impact with us, with drastic consequences (see the Space Debris pages). Dark Asteroid
Meanwhile, every year we pass through the remnants of comets, which can produce spectacular showers of 'shooting stars' or meteors, such as the Leonids seen here over Stonehenge. (Cover for Astronomy Now, 1999) Leonids metor storm
But long ago ~ some four billion years ago in fact ~ the Earth and all of the other planets and moons in our Solar System were battered by a constant stream of bodies of all sizes, as shown here. The results can be seen in the craters seen on our Moon and most solid bodies; most of those on Earth have been eradicated by erosion, tectonic action, or are under the oceans. (From my Atlas of the Solar System, 1981)
The result of lava cooling under the sea 50 million years ago, the 'Giant's Causeway' in County Antrim, Northern Ireland, almost appears to be a man-made structure of pillars. (From the private collection of N. Robson, Vortex PR.)

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