We found 36 reviewed resources for spiral galaxy
Black Holes: Creation & Consumption of GalaxiesLesson Planet
4 mins 9th - 12th
Black holes are thought to play an important role in the formation of spiral galaxies, like our own. This clip explains how gravity and mass work together with the black hole phenomena to create and consume stars and galaxies.
Dark Matter: How Does it Explain a Star's Speed?Lesson Planet
3 mins 6th - 12th CCSS: Adaptable
Studying spiral galaxies can make your head spin! With this video, find out how astronomers calculate a galaxy's rotational speed, and how the prediction that the outermost stars slow down does not seem to be true. The mystery may be...
What's in Our Universe?Lesson Planet
9th - 12th CCSS: Adaptable
Was the universe created or has it always existed? Here is a five-part series about the origin and evolution of our universe. To start, part one looks at celestial objects and allows pupils to discuss and share their knowledge about...