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PE = mgh
KE = 1/2 mv^2
Holly Patraschuk, Teri Wang & Éloïse Faehndrich
HOW DO WE KNOW THAT WE DON'T KNOW
WHAT IT'S NOT
Key words to watch for: Red shift, wavelength,
spectrum
LLight is more abstract, so let's try explaining it with sound waves
SS
?
There is 5x as much dark matter as regular matter
But even failed experiments tell us something...
What Dark Matter is not:
How do we know? It would emit particles that we could detect.
Image Credit: Hubble Space Telescope NASA, ESA, and STScI
(Image credit: NASA's Goddard Space Flight Center)
How do we know? Because anti-matter produces unique gamma rays when it reacts with normal matter.
How do we know? Black holes are very compact objects that violently affect their surroundings but we keep finding dark matter everywhere!
Credits: NASA/CXC/M.Weiss
There is something
What do we know about dark matter?
It interacts with gravity
This is a map of dark matter connecting two galaxies (shown in red) created in 2018 from the University of Waterloo in Ontario!
There is a lot of it
Code 4672 3382
Our Elders believe that what is above is mirrored below and this is our connection with misewa – all that is.
There are stories and teachings that are known and stories and teachings yet to be found. - Wilfred Buck is from the Opaskwayak Cree Nation of Northern Manitoba, Science Specialist
www.menti.com/al54jk1xxn99