NASA satellite time lapse video shows Las Vegas sprawl
LAS VEGAS (AP) — A YouTube video developed by NASA now shows in satellite pictures what numbers already said about Las Vegas’ explosive urban sprawl.
The 39-second time-lapse video flips through nearly 40 years of growth, starting in 1972 when about 300,000 people lived there and ending with the year 2010, when the area’s population neared 2 million.
The video posted earlier this month marks 40 years since NASA launched the Landsat program in March 1972.
Landsat’s satellites use sensors to document changes to the earth’s surface. That data helps researchers track trends such as forest health, storm damage and urban growth.
Viewers can watch subdivisions creep west toward Red Rock Canyon and see suburban Henderson thicken with housing developments.
The clip had nearly 150,000 views by the weekend.
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Article source: http://www.ktnv.com/news/local/142296975.htmlTags: nasa satellite, YouTube video, Las Vegas, urban sprawl <BR/>