Image: 
Image link: https://socratic.org/questions/which-types-of-galaxies-have-a-clearly-defined-disk-component
Summary: This week we learned about galaxies and reviewed the different planets in our solar system. There’s actually different types of galaxies such as spiral galaxies, elliptical galaxies, irregular galaxies, and peculiar galaxies. Spiral galaxies are like flat disks that have dust, gas, and old stars in them. Elliptical galaxies are like spiral galaxies but they have less gas and stars, however the stars it has are much older than those of a spiral galaxy. Irregular galaxies are galaxies that were formed by collisions of 2 galaxies. But the galaxy doesn’t have a distinct shape and are more faint than a spiral galaxy. Lastly a peculiar galaxy does have a shape but the shapes that a peculiar galaxy has are just like irregular galaxies, they were created by a collision.
SP6: Constructing explanations and designing solutions
The goal of science is the construction of theories that provide explanations about the natural world. explanatory power.
Did you explain something through your work?
(This may be when you researched something)
Yes we filled out a google document and we had to use information from a video to answer the questions. We had to put the definitions of galaxies and what a galactic collision was.
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