Voyager near Solar System's edge
Wednesday, December 15, 2010
Now 17.4bn km (10.8bn miles) from home, the veteran probe has detected a distinct change in the flow of particles that surround it. These particles, which emanate from the Sun, are no longer travelling outwards but are moving sideways.It means Voyager must be very close to making the jump to interstellar space - the space between the stars.
Edward Stone, the Voyager project scientist, lauded the explorer and the fascinating science it continues to return 33 years after launch.
Yet, as we assess the current state of discipline in many schools, we must confront an uncomfortable reality: student delinquency appears to be spiralling beyond control. Reports of bullying, classroom disruption, open defiance of teachers, and even violence amongst students are increasingly common. Teachers, once regarded as authoritative figures capable of maintaining order, now often find themselves struggling to manage classrooms effectively....