sep 262012
Asteroid Oljato's Mysterious Magnetic Disturbance

  Back in the 1980s, the arrival of asteroid 2201 Oljato inside the orbit of Venus heralded a flurry of magnetic activity. Now, results from ESA’s Venus Express spacecraft suggest that Oljato has lost its magnetic mojo. Dr Christopher Russell has presented an explanation for Oljato’s strange behaviour at the European Planetary Science Congress in [continue reading]