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When astronauts first launched toward the moon and looked back at our planet for the first time, they made an unexpected discovery: Earth Is Blue. 

 

Earth is Blue is a social media awareness campaign to highlight NOAA's National Marine Sanctuary System and its fourteen special marine protected areas across the country. The campaign began on October 23, 2014, the 42nd anniversary of the system, and shares one photo each day and one video each week highlighting the wonder and beauty of these special places and the work NOAA does to protect them.

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