Exploring a Galaxy
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In this galaxy worksheet, students use the Internet or other resources to answer 13 questions about the galaxy NGC-1232. They are given a photograph of the galaxy to help determine the width and diameter of certain regions of the galaxy.
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Exploring the Universe: Crash Course Big History #2
According to Carl Sagan, we are all made of star particles. The second video in a series of 16 explains what happened after the big bang. It discusses cosmic background radiation, chemistry, galaxies, heavy elements, and the creation of...
15 mins 9th - Higher Ed Science
Could Human Civilization Spread Across the Whole Galaxy?
Ever heard of von Neumann machines? These self-replicating machines could allow for the expansion of human civilization beyond Earth. The video describes how this type of technology could open many doors for exploration and life.
5 mins 7th - 12th Science
How Small Are We in the Scale of the Universe?
There are so many galaxies in the universe that the vast majority of them are too distant for the human eye to perceive. An astronomy video discusses the Hubble Telescope's Deep Field image from 1995 and the eXtreme Deep Field image...
4 mins 6th - 12th Science CCSS: Adaptable
New Review How Far Can We Go? Limits of Humanity.
Imagine living in a neighborhood where the houses on your street keep moving farther away until your house is the only one in the reachable vicinity. That's what is happening in our universe, except your house is our galaxy, and the...
8 mins 9th - 12th Science CCSS: Adaptable