The comet was last seen in Earth's skies in 1986, Halley’s orbit period is on average, 76 Earth years. This corresponds to an orbital circumference around the Sun of about 7.6 billion miles (12. ...

After its latest visit to Earth, 'Halley's comet is already on course, 'back towards the icy wastes of outer space. 'In an attempt to…' PROF. SIMON SCHAFFER:'The last time it visited in 1986 ...

1986, after liftoff. It remains to be seen what sort of tests or imaging will be planned in the future when Halley’s Comet graces our presence once again. Hopefully, this time we will avoid the ...