Black Holes... What's inside IX
In this space science instructional activity, students solve 7 problems related to black hole space and time. They answer questions related to the spacetime dimension.
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New Review What are Years... and the Galactic Supermassive Black Hole!
Everything is relative ... including the length of a year! Physics students explore time on a galactic scale in an animated video. The resource focuses on the tropical year upon which our calendar is based, galactic years, and the length...
2 mins 9th - 12th Science