Landsat 9 instrument ready for spacecraft assembly

The Landsat 9 instrument that will help scientists detect deforestation, monitor crops and track potentially toxic algal blooms, among many other uses, is now built, tested, and in place to be assembled onto the spacecraft.

Image: Reindeer Island

The Copernicus Sentinel-2 mission takes us over part of Lake Winnipeg in the Canadian province of Manitoba, with Reindeer Island visible in the lower-right part of the image.

Five things to know about toxic algae

A massive bloom of blue-green algae has hit four counties in Florida covering beaches along the Atlantic coast with foul-smelling, thick muck.

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