April 2012

Great Sand Dunes National Park and Preserve, Colorado
Apr 27, 2012U.S. National Parks Viewed from Space

Source: NASA Goddard Space Flight Center (on Flickr) In recognition of National Park Week (www.nps.gov/npweek/) NASA Goddard brings you unique views of some of our favorite U.S. National Parks, captured by the Landsat satellites.Further [...]

The LDCM thermal instrument engineering team at NASA Goddard Space Flight Center.
Apr 27, 2012Engineering the Future By Building on the Landsat Legacy

Building a satellite is a major collaboration and involves the hard work of many different types of engineers. The engineering process for Landsat involves defining the satellite requirements, testing the design, building the instruments and [...]

Visitors exploring the Landsat Chesapeake Bay mosaic at this year's festival
Apr 26, 2012Landsat Part of Science & Engineering Festival in D.C.

Landsat is taking part in the USA Science & Engineering Festival this weekend at the Washington Convention Center in D.C. The event is free.Come learn more about the engineering that goes into building a Landsat satellite and the world's [...]

Apr 26, 2012Landsat Satellites See Texas Crop Circles

A water-rich polka dot pattern takes over the traditional rectangular patchwork of fields in this time series animation of 40 years of Landsat images. In the dry Texas panhandle near the town of Dalhart, this transformation is due to [...]

Pine Island Glacier
Apr 19, 2012Landsat Shows West Antarctic Ice Shelves Tearing Apart at the Seams

A new study examining nearly 40 years of satellite imagery has revealed that the floating ice shelves of a critical portion of West Antarctica are steadily losing their grip on adjacent bay walls, potentially amplifying an already accelerating [...]

Washington Monument
Apr 19, 2012Landsat Part of Earth Day Events on National Mall

Source: NASA NASA is taking part in the celebration of Earth Day's 42nd anniversary on the National Mall in Washington from April 20 through April 22. The agency's involvement includes three consecutive days of activities and exhibits open to [...]

Apr 18, 2012Create NASA Earth Day Video, Win Seats To LDCM Launch

Contributor: Patrick Lynch NASA's Earth Science News Team From the first television images of Earth from space, to the now iconic Apollo photographs of Earth, to Voyager's "pale blue dot," NASA has changed how we think about exploring Earth and [...]

landsat 7
Apr 18, 2012Landsat 7 Maneuvers to Avoid Space Debris

Source: USGS Landsat website More than half a million pieces of space junk are in orbit floating in and around operational missions. In coordination with NASA, the USGS keeps constant vigil to avoid space debris that might collide with the [...]

Apr 17, 2012Looking to Landsat for Idaho Water Management

Source: Times-News Magic Valley Since 2000, Dr. Rick Allen has been using Landsat to manage water in Idaho. By using Landsat to measure evapotranspiration, water consumption can be accurately estimated. Allen says that Landsat images are [...]

Apr 15, 2012Landsat 7 Turns 13

On this day in 1999, Landsat 7 was launched into orbit. Landsat 7 is the considered the most accurately calibrated Earth-observing satellite, i.e., its measurements are extremely accurate when compared to the same measurements made on the [...]