"Circle yourself in light from within, " added Ms. Mullen.

WSJ: The Ghosts of New Orleans

It is located about 335 light years from Earth, within the Milky Way.

WSJ: Possible New Planet Spotted Under Formation

Black holes are notoriously difficult to study, since so much in astronomy depends on the detection of light - and within a certain distance from a black hole, even that cannot escape.

BBC: First glimpse of a black hole's spin

With delicate observation and quietly intense pathos, Dreyer captures the actors in a dappled light and a depth of shadow that seem to illuminate his characters from within.

NEWYORKER: The Parson's Widow

"In light of recent events involving Rihanna, the artist management will confirm within two weeks from now on a replacement date to be mutually agreed by Pineapple Concerts and the artist, " the company said.

CNN: Rihanna postpones Friday show

When the sun goes down, crossing the line between the City of Light and the City of Darkness is eerie, almost post-apocalyptic: moving within minutes from the bright lights of Times Square to the narrow unlit streets of the Financial District with the looming outlines of skyscrapers towering overhead.

BBC: Storm Sandy: New York's dark and bright sides

But they were shocked to see a vast swathe of ultraviolet light from young stars, indicating that the galaxy is actually big enough to accommodate five of our Milky Way galaxies within it.

BBC: Galaxy crash sparks biggest spiral

The introduction of electric light-railway systems might bear some of the transportation load, but these need to be built from scratch, and within the context of a completely new social infrastructure.

FORBES: Could Australia Go Carbon Neutral By 2020?