As a result of this disturbance, astronomers are predicting a good chance of aurorae over the next few nights. The sun is particularly active at the moment with many sunspots scattered across its surface. Nine definite spot groups can be counted, some comprising a myriad of small spots clustered around larger ones. Astronomers believe there's a strong chance at least one satellite will be put out of use by an upcoming meteor shower. They are the debris left by the trail of comet Temple-Tuttle that passes through the Solar System every 33 years.
Most particles are smaller than a grain of sand and burn up in the Earth's atmosphere.
The particle would vaporize when it struck, creating a plasma. Residents of New York's Lower East Side say they have seen ghostly lights, which resemble the twin, towers of the World Trade Centre. Experts say the night-time apparitions may be caused by workers' lights or by people forming the image in their minds to help them cope with the disaster. Scientists using radar have found the heart of a first century Roman military camp. Austrian archaeologists digging near the Danube river had previously failed to find the Carnuntum settlement's forum, despite nearly a century of digs.