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Have you ever noticed how the siren of an ambulance sounds higher in pitch when it’s approaching, and lower when it’s driving away from you? That shift in pitch is related to the Doppler effect – an observed change in the length of a wave due to relative motion between the source and the observer.Delta College Public Radio által
 
In September of 2022 NASA conducted the world’s first planetary defense technology demonstration. NASA’s Double Asteroid Redirection Test demonstrated asteroid deflection by changing an asteroid’s motion in space through kinetic impact.Delta College Public Radio által
 
A conservation group is among those pushing for federal funding to fight algal blooms in Saginaw Bay. The state has won an award for a project to bring renewable energy to Michigan properties. Get ready for a wet winter, according to the latest outlook from the National Oceanic and Atmospheric Administration.…
 
This month, the Full Frost Moon on November 8 coincides with a Total Lunar Eclipse. This is when the Moon passes through the Earth’s shadow, giving it an eerie reddish glow because of the colors that pass through the Earth’s atmosphere. This is why a total lunar eclipse is also sometimes called “The Blood Moon.”…
 
Bay, Gladwin, and Midland are among the counties in a state public land review. You can save on heating costs this winter through a state weatherization program. A federal research lab is sharing highlights from monitoring the Great Lakes this year.Delta College Public Radio által
 
Michigan's environmental agency is seeking input on where to focus its water monitoring efforts. A Michigan environmental group says the state needs to do more to reduce greenhouse gas emissions. Fall color is on display this week in northern Michigan.Delta College Public Radio által
 
Delta College Planetarium in Bay City will celebrate this year’s International Observe the Moon Night Saturday, October 1. Sponsored by NASA, over 3000 sites around the world will be participating with special shows and telescope viewing!Delta College Public Radio által
 
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