english news 英语新闻-Nasa images show Earth bathed in light at night

This NASA image from a composite assembled from data acquired by the Suomi NPP satellite in April and October 2012 shows the United States at night. (Photo Source: chinanews.com/ NASA)

(Photo Source: chinanews.com/ NASA)

A NASA Earth Observatory image released December 5, 2012 shows the area near the Nile River valley and delta on the night of October 13, 2012.

A NASA Earth Observatory image released December 5, 2012 shows the area near the Nile River valley and delta on the night of October 13, 2012. (Photo Source: chinanews.com/ NASA)

A NASA handout released December 5, 2012 of a composite image of Asia and Australia at night, assembled from data acquired by the Suomi NPP satellite in April and October 2012.

A NASA handout released December 5, 2012 of a composite image of Asia and Australia at night, assembled from data acquired by the Suomi NPP satellite in April and October 2012. (Photo Source: chinanews.com/ NASA)

A NASA Earth Observatory image released December 5, 2012 shows Britain, Ireland and part of Western Europe as it appeared on the night of March 27, 2012.

A NASA Earth Observatory image released December 5, 2012 shows Britain, Ireland and part of Western Europe as it appeared on the night of March 27, 2012. (Photo Source: chinanews.com/ NASA)

A NASA Earth Observatory handout released December 5, 2012 of a composite image of Europe, Africa, and the Middle East at night.

A NASA Earth Observatory handout released December 5, 2012 of a composite image of Europe, Africa, and the Middle East at night. (Photo Source: chinanews.com/ NASA)