Planet Explorer
A screenshot of Planet Explorer Beta, which overlays images from Planet's satellites onto maps.

Planet, the San Francisco startup that began building a constellation five years ago to offer frequently updated Earth imagery, took a major step towards achieving that goal March 10 when it unveiled Planet Explorer Beta, an online geospatial data tool.

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Debra Werner is a correspondent for SpaceNews based in San Francisco. Debra earned a bachelor’s degree in communications from the University of California, Berkeley, and a master’s degree in Journalism from Northwestern University. She is a recipient...