Different Worlds

Different Worlds

The planets are nine worlds that seem to have little in common, except that they circle around a single sun and are bound together by its gravity. Shortly after World War II the Soviet astronomer Viktor Safronov picks up the 200 year old idea that the planets were formed from a cloud of dust. Gravitational instability first formed big clumps, which through gravity fused to planets. A huge number of such planets then collided and fused until only the four planets of the inner solar system remained. Mercury, Venus, Earth and Mars bear scars of their creation. The craters on their surfaces are signs of hard collisions with collapsing planets. Outside these four planets are the gas giants Jupiter and Saturn, which became so large that they started sucking in the primordial gases from the original dust cloud, thus swelling to 100 times bigger than Earth. The ice giants Uranus and Neptune are still a mystery. The Kuiper belt outside Neptune consists of thousands of gigantic ice chunks. ... Written by Maths Jesperson {maths.jesperson1@comhem.se}

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HD Different Worlds

Different Worlds

EPS01

Different Worlds - EPS 01

HD
IMDb: 7.8
1999
50 min

The planets are nine worlds that seem to have little in common, except that they circle around a single sun and are bound together by its gravity. Shortly after World War ...

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HD Terra Firma

Terra Firma

EPS02

Terra Firma - EPS 02

HD
IMDb: 7.9
1999
50 min

Earth is a living planet. Volcanic eruptions mean that it is geological alive. Astronomers and geologists wondered for a long time if other planets also are alive. When a ...

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HD Giants

Giants

EPS03

Giants - EPS 03

HD
IMDb: 8.4
1999
50 min

To send space probes to the four giant planets in the outer solar system seemed in the mid-60's impossible. Rocket power could carry a spacecraft no further than Jupiter. ...

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HD Moon

Moon

EPS04

Moon - EPS 04

HD
IMDb: 8.1
1999
50 min

In 1959 the Soviet probe Lunik 2 becomes the first spacecraft ever to hit the Moon. Within a month it is followed by Lunik 3, which takes the first pictures of the dark s ...

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HD Star

Star

EPS05

Star - EPS 05

HD
IMDb: 8.1
1999
49 min

A spectroscope splits the sun light into different colors, thereby making it possible to analyze which elements the Sun is made of. When the spectroscope is turned to dif ...

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HD Atmosphere

Atmosphere

EPS06

Atmosphere - EPS 06

HD
IMDb: 8.0
1999
50 min

The Planets looks at planetary atmospheres. It looks at the life giving atmosphere of Earth, the crushing greenhouse of Venus, the thin gaseous layer of Mars, and the mae ...

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HD Life

Life

EPS07

Life - EPS 07

HD
IMDb: 7.5
1999
49 min

The Planets examines the prospects of life on other worlds in our solar system. It looks at Venus, Mars, and the water bearing moons of the outer planets. ...

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HD Destiny

Destiny

EPS08

Destiny - EPS 08

HD
IMDb: 7.8
1999
49 min

The Planets looks at the ultimate fate of our solar system and examines the possibility of extrasolar planets. ...

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