[SKRIVA] Re: Mystisk kraft bromsar NASA-sond
- From: Magnus Carling <magnus_carling@xxxxxxxxxxx>
- To: <skriva@xxxxxxxxxxxxx>
- Date: Thu, 23 Sep 2010 09:33:33 +0200
Det är den virtuella verklighetens gräns som får dem att bromsa in...
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> From: ahrvid@xxxxxxxxxxx
> To: skriva@xxxxxxxxxxxxx; sverifandom@xxxxxxxxxxxxxxxxxxxx
> Subject: [SKRIVA] Mystisk kraft bromsar NASA-sond
> Date: Wed, 22 Sep 2010 10:30:59 +0200
>
>
> Någon mystisk kraft får NASA:s djuprymdssonder att bromsa in, mycket litet
> men ändå oförklarligt:
>
> http://www.telegraph.co.uk/science/space/1384420/Mysterious-force-holds-back-Nasa-probe-in-deep-space.html
>
> Researchers say Pioneer 10, which took the first close-up pictures of Jupiter
> before leaving our solar system in 1983, is being pulled back to the sun by
> an unknown force. The effect shows no sign of getting weaker as the
> spacecraft travels deeper into space, and scientists are considering the
> possibility that the probe has revealed a new force of nature.
> Dr Philip Laing, a member of the research team tracking the craft, said: "We
> have examined every mechanism and theory we can think of and so far nothing
> works.
> "If the effect is real, it will have a big impact on cosmology and spacecraft
> navigation," said Dr Laing, of the Aerospace Corporation of California.
> Pioneer 10 was launched by Nasa on March 2 1972, and with Pioneer 11, its
> twin, revolutionised astronomy with detailed images of Jupiter and Saturn. In
> June 1983, Pioneer 10 passed Pluto, the most distant planet in our solar
> system.
> Both probes are now travelling at 27,000mph towards stars that they will
> encounter several million years from now. Scientists are continuing to
> monitor signals from Pioneer 10, which is more than seven billion miles from
> Earth.
> billion miles from Earth.
> Research to be published shortly in The Physical Review, a leading physics
> journal, will show that the speed of the two probes is being changed by about
> 6 mph per century - a barely-perceptible effect about 10 billion times weaker
> than gravity.
> Scientists initially suspected that gas escaping from tiny rocket motors
> aboard the probes, or heat leaking from their nuclear power plants might be
> responsible. Both have now been ruled out. The team says no current theories
> explain why the force stays constant: all the most plausible forces, from
> gravity to the effect of solar radiation, decrease rapidly with distance.
> The bizarre behaviour has also eliminated the possibility that the two probes
> are being affected by the gravitational pull of unknown planets beyond the
> solar system.
> Assertions by some scientists that the force is due to a quirk in the Pioneer
> probes have also been discounted by the discovery that the effect seems to be
> affecting Galileo and Ulysses, two other space probes still in the solar
> system. Data from these two probes suggests the force is of the same strength
> as that found for the Pioneers.
> Dr Duncan Steel, a space scientist at Salford University, says even such a
> weak force could have huge effects on a cosmic scale. "It might alter the
> number of comets that come towards us over millions of years, which would
> have consequences for life on Earth. It also raises the question of whether
> we know enough about the law of gravity."
>
>
> --
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