PricewaterhouseCoopers, a consulting firm, predicts that light-vehicle sales in North America for 2009 will fall a further 17% to 10.8m.

ECONOMIST: America's car industry

Some fly near Earth, get pulled in by gravity, and meet their end in a blaze of heat and light as they fall toward the ground.

WSJ: Russia Meteor Was Largest in More Than a Century

Rafsanjani's dramatic entrance and precipitous fall has shone a light on the growing fractures within elite politics in Iran.

CNN: Story highlights

This fall, the aesthetics of light will be explored in a course co-taught by Sidney Nagel, a physicist, and Gray Center fellow James Carpenter.

WSJ: Robert Zimmer | Where Theory and Practice Make Perfect | Cultural Conversation by Joel Henning

Japanese space agency (Jaxa) scientists want to detect a measurable acceleration in the spacecraft as photons - the particles of light - from the Sun fall on the roughly 200-sq-m, ultra-thin sheet.

BBC: Mini-camera pictures Japan's Ikaros solar sail

Overall light-vehicle sales hit a 15-year low in September, with a fall of 27% compared with a year earlier.

ECONOMIST: America's car industry