Oops, something bumped into us! Scientists research what bumped into our galaxy, when, and where it went after the collision. Part of a larger SciShow Space series, an interesting video presents three mysteries, including the collision. Caitlin Hofmeister shares her enthusiasm for science as research appears to pose more questions than it answers.

Concepts

the milky way galaxy, filaments, galaxies, the universe

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Additional Tags

science

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Instructional Ideas

• Discuss both dark matter and dark energy in more detail

Classroom Considerations

• Last minute of the video contains no educational content
• Relies on prior knowledge of the Milky Way galaxy

• This video is hosted on YouTube

Pros

• Works well in traditional or flipped classes
• Offers subtitles in both English and Arabic

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 RST.9-10.4 RST.11-12.4