22 May '11, 10pm

U.S. Atlantic Seaboard at Night [image] #NASA

As metropolitan areas expand in both physical area and population, they typically aggregate to form economically, politically and, to some extent, socially linked entities known as conurbations. The term “megalopolis” has also been used. One of the largest conurbations in the world is located along East Coast of the United States, and has been termed the Atlantic Seaboard Conurbation (ASC). The ASC extends over 1,000 kilometers (600 miles) and includes the major economic, governmental, and cultural centers of Boston, Massachusetts; New York, New York; Philadelphia, Pennsylvania; Baltimore, Maryland; and Washington, District of Columbia. This astronaut photograph includes every metropolitan area in the ASC except for Boston (located off the image to the northeast). This night image highlights the position and extent of each metropolitan area through urban lighting patterns....

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=50671&s...

Tweets

U.S. Atlantic Seaboard at Night: One of the lar...

earthobservatory.nasa.gov 22 May '11, 10pm

As metropolitan areas expand in both physical area and population, they typically aggregate to form economically, politica...

NASA Earth Observatory - East Coast night lights:

earthobservatory.nasa.gov 24 May '11, 11pm

As metropolitan areas expand in both physical area and population, they typically aggregate to form economically, politica...

Valle Caldera, New Mexico [image] #NASA

earthobservatory.nasa.gov 21 May '11, 10pm

Spanning about 22 kilometers (14 miles), Valles Caldera in New Mexico was formed from the collapse of a magma chamber foll...

Valle Caldera, New Mexico: Acquired May 22, 200...

earthobservatory.nasa.gov 21 May '11, 10pm

Spanning about 22 kilometers (14 miles), Valles Caldera in New Mexico was formed from the collapse of a magma chamber foll...

Valle Caldera, New Mexico: Acquired May 22, 200...

earthobservatory.nasa.gov 21 May '11, 10pm

Spanning about 22 kilometers (14 miles), Valles Caldera in New Mexico was formed from the collapse of a magma chamber foll...

Jessica Alba’s Late Night Internet Habits

earthjustice.org 24 May '11, 8pm

Same as other new mothers: Googling BPA + baby bottles Jessica Alba supports the Safe Chemicals Act. Photo courtesy of Saf...