On April 26, 2012, NASA released these wonderful photos of U.S. National Parks as seen from space. The images were acquired over a period of years by various Landsat satellites, which has taught us more about the world we live on than anyone could have imagined before the Landsat program began in the 1970s. NASA released these images in honor of National Parks Week, which started April 21 and extends through tomorrow (April 29). During National Parks Week, all 397 U.S. national parks offer free admission. Go if you can.
Deborah Byrd created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Today, she serves as Editor-in-Chief of this website. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named 3505 Byrd in her honor. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.
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