An asteroid will fly past the Earth tonight, entering the orbit of telecommunication and weather satellites.
This image shows the asteroid's movements, looking down from above Earth's north pole.
This image shows why the asteroid will not be visible to the northern hemisphere's observers, until very close to the Earth, because it is approaching from "underneath" the planet.
More top news
Ed Miliband formally launched Labour's election campaign hours after he and David Cameron submitted themselves to the first TV event.
Investigators believe Andreas Lubitz deliberately killed himself and 149 others. They are now attempting to ascertain why.
Settled for some, showery for others.