Milky Way Galaxy

We’re Losing the Night Sky – to Light

Two-thirds of people in the US can’t see the Milky Way from their homes. The stars that shape our galaxy disappear from view due to outdoor lighting which is too bright, stays on all night, or illuminates the sky rather than the earth. Night lighting also interferes with the rhythms of human, animal, and plant life.

US at night

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Aquarius satellite

Aquarius Ocean Circulation

Until now, researchers did not have a full set of data on ocean salinity and how it impacts climate change. This video from NASA explains how Aquarius salinity data, combined with data from other sensors that measure sea level, ocean color, temperature, winds, and rainfall, will give us a much clearer picture of how the ocean works.Continue reading