Lost civilisations:Antikythera shipwreck yields more treasures

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The wreckage was discovered in 1900
Divers have recovered several statue pieces and a mystery bronze disc from the 2,000-year-old shipwreck.

Located on the sea floor off the island of Antikythera, the ancient sailing vessel, which is believed to be one of the largest Roman era ships ever found, was originally home to the famous Antikythera mechanism, an early ‘computer’ that was used by seafarers to chart the motion of the planets.

First discovered by sponge divers 117 years ago, the wreck has yielded a great number of fascinating items and now, following a series of recent dives, archaeologists have uncovered evidence of seven large bronze statues as well as a mysterious bronze disc decorated with the image of a bull.

Described as ‘extremely exciting’, the statue finds are particularly important because only a small number of bronze statues are known to have survived from the ancient world and most have been altered or treated in some way by previous conservators, destroying vital information.

So far only a few mismatched limbs have been found however divers are now focusing their efforts on locating the rest of the pieces which must still be down in the wreckage somewhere.

If they succeed, it could significantly enhance our knowledge of that particular time period.

« What we’re finding is these sculptures are in among and under the boulders, » said excavation team co-director Brendan Foley of Lund University. « We think it means a minimum of seven, and potentially nine, bronze sculptures still waiting for us down there. »      

Source: Nature.com

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Pionner 10…is comeback?

Pioneer 10 is a satellite produced the first detailed photographs of Jupiter. After conveying these pictures, he came out of our solar system in 1983. Yet scientists have said there is little in a statement that Pioneer 10 was back in the direction of the Sun, driven by an unknown force.

It seems that the satellite shows no signs of slowing down or weakness while he continues to advance into space. Researchers are considering the possibility that the probe has revealed a new phenomenon.
Dr. Philip Laing, a member of the research team dedicated to tracking the satellite said: « We considered many theories which we thought and so far, none are valid. If what we found is true, then it will have a significant impact on space travel.  »

Pioneer 10 was launched by NASA in 1972 along with its twin, Pioneer 11. They had created a stir in the scientific community by sending detailed images of Jupiter and Saturn. In June 1983, Pioneer 10 had passed Pluto, the farthest celestial body in our solar system. Both probes are currently traveling at about 28,000 km / h to the stars they encounter in several million years. Researchers continue to receive the signal from Pioneer 10, which is more than 8 billion miles from Earth.
Research published in The Physical Review will demonstrate that the speed of the two probes is modified 7 km / h per century, a consequence barely visible about 10 billion times weaker than gravity. Initially, scientists suspected the gas from the engine sensors or the warmth of their nuclear reactors to be the cause of this phenomenon. Research teams admit that no known theory at present can not explain why the forces remain constant.
The strange behavior of the probes also eliminated the possibility that the two spacecraft are affected by the gravitational field of unknown planets beyond the solar system. Some scientists have argued that this force would be related to a mechanical problem with the probe Pioneer 10, which had also been observed on the Galileo and Ulysses probes, always located in the solar system.
Until 1988, Pioneer 10 was the object space designed by the man most remote in space, a distinction made by Voyager 1. If the probe had to encounter extraterrestrial life forms, a gold plaque bearing the likeness of a man and a woman and a map indicating their origin has been placed on the satellite, which NASA considers  » the equivalent of a message in a bottle thrown into the sea. «