Day in Review

 

DAY IN REVIEW What's Up - October 2020 What are some skywatching highlights in October 2020? Not one, but two, full moons; Mars at opposition; and finding the Andromeda galaxy. › Watch the video AI Is Helping Scientists Discover Fresh Craters on Mars It's the first time machine learning has been used to find previously unknown craters on the Red Planet. › Read the full story 'Echo Mapping' in Faraway Galaxies Could Measure Vast Cosmic Distances Matter swirling around supermassive black holes creates bursts of light that "echo" in nearby dust clouds. These traveling signals could serve as a new cosmic yardstick. › Read the full story

 

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