According to Talbott, unexplained crop circles feature elongated apical plant stem nodes, expulsion cavities in the plant stems and the presence of 10–50 micrometre diameter magnetized iron spheres in the soils, distributed linearly.

 In 2009, there have been many new crop circles reported across Europe. One of the most notable was a 600ft jellyfish that stretched across a barley field in Oxfordshire. It was one of the largest and most unusual crop circle designs seen to date. Is this a message from another galaxy, a warning to protect our planet – or simply a reminder from other residents of earth? You decide.